Chapter LXII: Appendix: Table I (3)
_Harvard Circular_, Nos. 11, 21.
Footnote 552:
_Sitzungsberichte_, Berlin, 24th April 1890; _Astr. Nach._ No. 2995.
Footnote 553:
_Astroph. Journ._ vol. v p. 1.
Footnote 554:
_Memorie degli Spettroscopisti Italiani_, vols. xxvi., xxviii.;
_Bulletin de l’Acad. des Sciences_, St. Pétersbourg, t. vi. No. 1, t.
viii. No. 2.
Footnote 555:
See _Observatory_, vol. xxiii. p. 127.
Footnote 556:
_Astroph. Journ._ vol. x. p. 177; _Observatory_, vol. xxiii. p. 92.
Footnote 557:
_Ibid._ vols. xxii. p. 436, xxiii. p. 93; _Monthly Notices_, vol. lx.
p. 418.
Footnote 558:
_Astr. Journ._ No. 484.
Footnote 559:
_Monthly Notices_, vols. lx. p. 595, lxi. p. 70.
Footnote 560:
_Astroph. Journ._ vol. xiii. p. 89.
Footnote 561:
See Appendix, Table II., for a list of the spectroscopic binaries
discovered down to the middle of the year 1902.
Footnote 562:
_Harvard Annals_, vol. xxviii. p. 104.
Footnote 563:
_Observatory_, vol. xxiii. p. 128 (A. M. Clerke).
Footnote 564:
_Proc. Amer. Academy_, vol. xvi. p. 27.
Footnote 565:
_Popular Astronomy_, Oct. 1897, p. 306.
Footnote 566:
_Sitzungsberichte_, Berlin, 28th Nov. 1889; _Astr. Nach._ Nos. 2947,
2960.
Footnote 567:
_Astr. Journ._ vol. vii. p. 165.
Footnote 568:
_Knowledge_, vol. xv. p. 86 (A. M. Clerke).
Footnote 569:
_Astr. Journ._ Nos. 255, 256, 257.
Footnote 570:
Bauschinger, _V. J. S. Astr. Ges._, Jahrgang xxix.; Chase, _Astr.
Journ._ No. 218.
Footnote 571:
Boss, _Astr. Journ._ No. 343; Yendell, _Pop. Astr._ Dec. 1897, p. 401.
Footnote 572:
_Comptes Rendus_, t. cxx. p. 125; _Bull. Soc. Astr. de France_, 1895,
p. 73.
Footnote 573:
_Astr. Journ._ No. 318.
Footnote 574:
_Astr. Nach._ No. 804.
Footnote 575:
Schönfeld, _V. J. S. Astr. Ges._, Jahrgang ix. p. 230; _Sirius_, Bd.
x. p. 68; Argelander, _Bonner Beob._ Bd. vii. p. 397.
Footnote 576:
_Astroph. Journ._ vol. x. p. 317.
Footnote 577:
Schönfeld, _Jahresbericht_, Mannheim, Bd. xl. p. 76.
Footnote 578:
_Beobachtungen Veränderlicher Sterne_, Th. iii. p. 21.
Footnote 579:
_Astr. Nach._ No. 3474.
Footnote 580:
_Journ. Brit. Astr. Assoc._ vol. i. pp. 137, 255.
Footnote 581:
Chandler, _Astr. Journ._ No. 205.
Footnote 582:
_Astr. Journ._ No. 373; _Astroph. Journ._ vol. iv. p. 267.
Footnote 583:
Roberts, _Astroph. Journ._ vol. x. p. 313.
Footnote 584:
_Proc. Amer. Acad._ vol. xvi. p. 350; _Astr. Nach._ No. 3385.
Footnote 585:
_Astr. Journ._ No. 199; _Popular Astr._ Sept. 1897, p. 239.
Footnote 586:
_V. J. S. Astr. Ges._ Jahrgang xxvi. Th. ii.; _Potsdam Annual Report_.
Footnote 587:
Chandler, _Astr. Journ._ Nos. 199, 294, 396.
Footnote 588:
Tisserand, _Bull. de la Soc. Astr. de France_, Mars 1895.
Footnote 589:
_Astr. Journ._ Nos. 162, 294.
Footnote 590:
_System of the Stars_, p. 142.
Footnote 591:
_Astr. Nach._ Nos. 3091, 3467; _Astr. Journ._ No. 265; _Trans. Swedish
Acad. of Sciences_, 1892, No. 7.
Footnote 592:
Yendell, _Astr. Journ._ Nos. 163, 185; _Knowledge_, vol. xvi. p. 166
(A. M. Clerke).
Footnote 593:
_Astroph. Journ._ vol. xi. p. 190.
Footnote 594:
_I.e._ the interval between one perihelion passage and the next.
Footnote 595:
Russell, _Astroph. Journ._ vol. x. p. 318.
Footnote 596:
_Astr. Journ._ Nos. 327, 383.
Footnote 597:
_Ibid._ No. 383; _Astroph. Journ._ vol. iv. p. 272.
Footnote 598:
Chandler, “Third Catalogue of Variable Stars,” _Astr. Journ._ No. 379.
Footnote 599:
_Astr. Journ._ No. 326.
Footnote 600:
_Ibid._ Nos. 329, 384, 415.
Footnote 601:
_Monthly Notices_, vol. lv. p. 211.
Footnote 602:
_Astr. Journ._ No. 327; _Astroph. Journ._ vol. iv. p. 270.
Footnote 603:
_Ibid._ vol. x. p. 314.
Footnote 604:
Keeler, _ibid._ vol. i. p. 262.
Footnote 605:
_Astr. Journ._ No. 328.
Footnote 606:
_Astroph. Journ._ vols. i. p. 294; iii. p. 348; _Astr. Journ._ Nos.
374, 384, 422.
Footnote 607:
Yendell, _ibid._ No. 366.
Footnote 608:
_Harvard Circulars_, Nos. 3, 4.
Footnote 609:
_Astroph. Journ._ vol. iii. p. 213.
Footnote 610:
Pickering, _ibid._ vol. vii. p. 23.
Footnote 611:
_Astr. Journ._ Nos. 447, 450; Luizet, _Astr. Nach._ No. 3596.
Footnote 612:
_Astr. Journ._ No. 468.
Footnote 613:
_Astroph. Journ._ vol. xiii. p. 177.
Footnote 614:
_Astr. Nach._ Nos. 3572, 3567; Parkhurst, _Astr. Journ._ No. 475.
Footnote 615:
_Harvard Circulars_, Nos. 44, 47.
Footnote 616:
_Astr. Journ._ No. 508; _Proc. Royal Society of Edinburgh_, 4th Nov.
1901.
Footnote 617:
_Astr. Nach._ Nos. 3748, 3765; _Astr. Journ._ No. 517.
Footnote 618:
Such have recently been detected by Chandler in Algol, _Astr. Journ._
Nos. 509, 511.
Footnote 619:
_Astr. Nach._ Nos. 3257, 3338; _Bull. de l’ Acad. St. Pétersbourg_,
1894, p. 268; _Astroph. Journ._ vol. i. pp. 160, 263.
Footnote 620:
_Astroph. Journ._ vol. ii. p. 288.
Footnote 621:
_Astroph. Journ._ vol. iii. p. 227.
Footnote 622:
_Ibid._ vol. i. p. 160.
Footnote 623:
_Astroph. Journ._ vol. vi. p. 393; _Bull. de l’Acad. de St.
Pétersbourg_, t. vii. No. 4, 1900.
Footnote 624:
_Astroph. Journ._ vol. ix. p. 59.
Footnote 625:
Chandler, _Third Catalogue_, No. 8073 and _note_.
Footnote 626:
_Journ. Brit. Astr. Assoc._ vol. vii. p. 471.
Footnote 627:
_Astr. Nach._ No. 3483; Luizet, _ibid._ No. 3570; Flanery,
_Knowledge_, vol. xxiii. p. 134; _Harvard Circular_, No. 41.
Footnote 628:
Sometimes designated SU Cygni.
Footnote 629:
Lockyer, _Proc. Royal Society_, vol. lix. p. 101.
Footnote 630:
Its fourth member, Y Sagittarii, was added by Sawyer in 1886, _Astr.
Journ._ No. 328; Yendell, _Pop. Astr._ vol. ii. p. 364.
Footnote 631:
Chandler, _Astr. Journ. Nach._ No. 2749; Yendell, _Astr. Journ._ Nos.
157, 321; _Pop. Astr._ vol. ii. p. 207.
Footnote 632:
_Astr. Journ._ No. 374.
Footnote 633:
_Bonner Beob._ Bd. vii. p. 393.
Footnote 634:
_Astr. Nach._ Nos. 1745, 2420.
Footnote 635:
_Ibid._ No. 3565.
Footnote 636:
_Astroph. Journ._ vol. xiii. p. 94.
Footnote 637:
_Astr. Journ._ Nos. 378, 384; _Astroph. Journ._ vol. x. p. 312;
_Nature_, vol. lxiv. p. 469.
Footnote 638:
_Astr. Journ._ vols. ix. pp. 180, 183, 190; x. p. 11.
Footnote 639:
_Astroph. Journ._ vol. iv. p. 141.
Footnote 640:
_Astr. Journ._ No. 413.
Footnote 641:
Pickering, _Astr. Nach._ No. 3008.
Footnote 642:
Chandler, _Astr. Journ._ Nos. 358, 374, 426.
Footnote 643:
_Harvard Circular_, Nos. 23, 25.
Footnote 644:
_Astroph. Journ._ vol. viii. p. 163.
Footnote 645:
_Harvard Circular_, No. 33; _Harvard Annals_, vol. xxxviii. pp. 144,
160 (Bailey).
Footnote 646:
Cf. _Observatory_, vol. xx. p. 54.
Footnote 647:
_Astr. Nach._ No. 3410.
Footnote 648:
_Astr. Journ._ No. 477; _Astroph. Journ._ vol. xiii. p. 177; _Nature_,
12th September 1901.
Footnote 649:
_Harvard Circular_, No. 21.
Footnote 650:
Since the above was written, Miss A. J. Cannon has made the brief
statement (_Harvard Annals_, vol. xxviii. p. 177) that the 34^h period
satisfies all observations.
Footnote 651:
_Astr. Nach._ No. 3483.
Footnote 652:
_Astr. Nach._ No. 3570.
Footnote 653:
_Harvard Circular_, No. 41.
Footnote 654:
_Astr. Journ._ No. 331.
Footnote 655:
S. I. Bailey, _Astroph. Journ._ vol. x. p. 257.
Footnote 656:
S. I. Bailey, _Harvard Annals_, vol. xxxviii. p. 209.
Footnote 657:
_Monthly Notices_, vol. lxi. p. 163.
Footnote 658:
Bailey, _Harvard Annals_, vol. xxxviii. p. 234.
Footnote 659:
See _Knowledge_, vol. xvii. p. 128 (A. M. Clerke).
Footnote 660:
Frost, _Astroph. Journ._ vol. ii. p. 383.
Footnote 661:
_Astr. Nach._ No. 3565.
Footnote 662:
_History of Astronomy_, 4th ed. p. 379 (A. M. Clerke).
Footnote 663:
_Astr. Nach._ No. 3051.
Footnote 664:
_Astr. and Astrophysics_, vol. xiii. p. 575.
Footnote 665:
_Monthly Notices_, vol. lvii. p. 6; _Observatory_, vol. xx. p. 87.
Footnote 666:
_Harvard Annals_, vol. xxviii. p. 103.
Footnote 667:
_Sitzungsberichte_, Berlin, 8th Feb. 1894.
Footnote 668:
_Monthly Notices_, vols. liv. p. 94; lvii. p. 515.
Footnote 669:
_Memorie degli Spettroscopisti Italiani_, t. xxvi., June 1897.
Footnote 670:
_Astroph. Journ._ vol. vii. p. 1.
Footnote 671:
_Astr. and Astrophysics_, vol. xii. p. 356.
Footnote 672:
Baxendell, _Proc. Manchester Phil. Society_, vol. xxiv. p. 14.
Footnote 673:
Flanery, _Knowledge_, vol. xix. p. 230.
Footnote 674:
_Bonner Bcob._ Bd. vii. Th. ii. p. 332.
Footnote 675:
_Phil. Trans._ vol. lxx. p. 342.
Footnote 676:
Schmidt, quoted by Schönfeld, _Mannheimer Jahresbericht_, Bd. xl. p.
74.
Footnote 677:
Nijland, _Astr. Nach._ No. 3733.
Footnote 678:
Guthnick (_Astr. Nach._ No. 3745) holds that the star rises to
exceptionally high maxima once in 59½ years. As the Italian proverb
says, _Chi vivrà, vedrà_.
Footnote 679:
_Berliner Jahrbuch_, 1841, p. 93 (Olbers).
Footnote 680:
_Miscellanea Berolinensia_, t. i. p. 208.
Footnote 681:
_Bonner Beob._ Bd. vii. p. 340.
Footnote 682:
Humboldt’s _Cosmos_ (Otté’s trans.), vol. iii. p. 236.
Footnote 683:
Roberts, _Astr. Journ._ Nos. 295, 491–2.
Footnote 684:
A. J. Cannon, _Harvard Annals_, vol. xxviii. p. 189.
Footnote 685:
Roberts, _Astr. Journ._ No. 462.
Footnote 686:
_Astroph. Journ._ vol. ii. p. 198.
Footnote 687:
Baxendell, _Journ. Liverpool Astr. Soc._ vol. iii. p. 52.
Footnote 688:
Schönfeld, _Astr. Nach._ No. 2066.
Footnote 689:
Peek, _Journ. Brit. Astr. Assoc._ vol. ix. p. 261.
Footnote 690:
_Astr. Nach._ No. 3025; Hartwig, _ibid._ Nos. 3211, 3596.
Footnote 691:
Hale, _Yerkes Observatory Bulletin_, No. 13.
Footnote 692:
_Journ. Brit. Astr. Assoc._ vol. ix. p. 260.
Footnote 693:
_Astr. Nach._ No. 2859.
Footnote 694:
Peek, _Variable Star Notes_, No. 4.
Footnote 695:
Townley, _Publ. Washburn Observatory_, vol. vi. pt. iii. p. 60.
Footnote 696:
_Astroph. Journ._ vol. i. p. 305.
Footnote 697:
Parkhurst, _Popular Astronomy_, vol. i. p. 462.
Footnote 698:
Schmidt, _Astr. Nach._ No. 1897; Chandler, _Astr. Journ._ Nos. 186,
193.
Footnote 699:
Parkhurst, _Pop. Astr._ vol. i. p. 266.
Footnote 700:
Reed, _Astr. Journ._ No. 330.
Footnote 701:
Peek, _Variable Star Notes_, No. 2, p. 13.
Footnote 702:
Knott, _Observatory_, vol. xiii. p. 111.
Footnote 703:
_Astr. Nach._ No. 3184.
Footnote 704:
_Bulletin de l’Acad. Imp._ t. xxix. p. 302.
Footnote 705:
Peek, _Knowledge_, vol. xv. p. 52.
Footnote 706:
_Yerkes Observatory Bulletin_, No. 13.
Footnote 707:
_Knowledge_, vol. xix. p. 230.
Footnote 708:
_Ibid._ vol. xx. p. 237.
Footnote 709:
_Pop. Astr._ vol. v. p. 164.
Footnote 710:
Yendell, _ibid._ p. 17.
Footnote 711:
_Astr. Journ._ No. 400.
Footnote 712:
Pickering, _Astroph. Journ._ vol. iv. p. 370.
Footnote 713:
Parkhurst, _Pop. Astr._ July 1900, p. 343.
Footnote 714:
_Astroph. Journ._ vol. xii. p. 268.
Footnote 715:
_Vierteljahrsschrift Astr. Ges._ Jahrgang xxxiv. p. 315.
Footnote 716:
_Astr. Nach._ No. 3553.
Footnote 717:
_Astr. Nach._ Nos. 2075, 2420, 2491, 2492.
Footnote 718:
_Astr. Journ._ Nos. 491, 492 (1901).
Footnote 719:
_Astr. Nach._ No. 1905.
Footnote 720:
_Journ. Brit. Astr. Assoc._ vol. v. p. 262.
Footnote 721:
Pickering, _Proc. Amer. Acad._ vol. xii. p. 403.
Footnote 722:
Schönfeld, _Mannheimer Jahresberichte_, Bd. xl. p. 113.
Footnote 723:
_Monthly Notices_, vol. xvii. p. 23.
Footnote 724:
B.D. + 30° 591, now known as X Persei.
Footnote 725:
_Astr. Journ._ Nos. 434, 462; _Astr. Nach._ No. 3577.
Footnote 726:
Safarik, _Journ. Brit. Astr. Assoc._ vol. ii. p. 293.
Footnote 727:
_Astr. Nach._ No. 3011.
Footnote 728:
_Astr. Journ._ No. 231.
Footnote 729:
Peek, _Journ. Brit. Astr. Assoc._ vols. ix. p. 260; x. p. 156.
Footnote 730:
Miss Cannon found indications, in the spectrum of η Carinæ, of a
composite origin from a solar, and a bright-line helium star. _Harvard
Annals_, vol. xxviii. p. 175. Sir David Gill recorded numerous
spectral coincidences between the southern variable and Nova Aurigæ.
_Monthly Notices_, vol. lxi. p. 456.
Footnote 731:
_Monthly Notices_, vol. vi. p. 244.
Footnote 732:
_System of the Stars_, p. 116.
Footnote 733:
Roberts, _Astr. Journ._ No. 492, p. 89.
Footnote 734:
_Astr. Nach._ Nos. 624, 796, 806.
Footnote 735:
Gore, _Revised Cat. of Var. Stars_, 1888.
Footnote 736:
_Astr. Journ._ No. 151.
Footnote 737:
H. Corder, _Memoirs Brit. Astr. Assoc._ vol. v. pt. ii. p. 32.
Footnote 738:
_Astr. Nach._ No. 2704.
Footnote 739:
A. C. Maury, _Harvard Annals_, vol. xxviii. p. 31.
Footnote 740:
_Monthly Notices_, vols. l. p. 94; lv. p. 445.
Footnote 741:
_Monthly Notices_, vol. lix. p. 374.
Footnote 742:
_Ibid._ vol. lx. p. 425.
Footnote 743:
_Knowledge_, vol. xvi. p. 124.
Footnote 744:
Gore, _ibid._ vol. xxii. p. 176.
Footnote 745:
_Astr. Nach._ No. 3475.
Footnote 746:
_Astr. Nach._ No. 3118.
Footnote 747:
_Astr. and Astrophysics_, vol. xi. p. 393.
Footnote 748:
_Ibid._ p. 810.
Footnote 749:
_Ibid._ vol. xii. p. 159.
Footnote 750:
_Abhandlungen der Kön. Akad._ Berlin, 1893, p. 58.
Footnote 751:
_Discourse at the Royal Institution_, 13th May 1892.
Footnote 752:
_Astr. and Astrophysics_, vol. xi. p. 607.
Footnote 753:
_Ibid._ p. 907.
Footnote 754:
Campbell, _Astr. and Astrophysics_, vol. xi. p. 715.
Footnote 755:
Huggins, _Proc. Royal Society_, vol. liv. p. 30.
Footnote 756:
_Astr. and Astrophysics_, vol. xii. p. 728.
Footnote 757:
_Astr. and Astrophysics_, vol. xii. p. 54.
Footnote 758:
_Publ. Pacific Society_, vol. iv. p. 246.
Footnote 759:
Campbell, _Astroph. Journ._ vols. i. p. 49; v. p. 240.
Footnote 760:
Huggins, _Astr. and Astrophysics_, vol. xiii. p. 239.
Footnote 761:
Peek, _Journ. Brit. Astr. Assoc._ vol. ix. p. 260.
Footnote 762:
Rambaut, _Observatory_, vol. xxiv. p. 261.
Footnote 763:
_Ibid._ p. 360; Barnard, _Astroph. Journ._ vol. xiv. p. 152; _Monthly
Notices_, vol. lxii. p. 61.
Footnote 764:
Campbell, _Astroph. Journ._ vol. i. p. 51.
Footnote 765:
Pickering, _Astr. and Astrophysics_, vol. xiii. pp. 40, 398.
Footnote 766:
_Astr. and Astrophysics_, vol. xiii. p. 311; _Astr. Nach._ No. 3211.
Footnote 767:
_Harvard Circular_, No. 1.
Footnote 768:
_Harvard Circular_, No. 4.
Footnote 769:
_Ibid._ No. 4; _Astroph. Journ._ vol. iii. p. 214.
Footnote 770:
W. J. Hussey, _Astr. Journ._ No. 383; _Publ. Pacific Society_, vol.
viii. p. 220.
Footnote 771:
_Astroph. Journ._ vol. v. p. 233.
Footnote 772:
_Harvard Circular_, No. 42; _Astroph. Journ._ vol. ix. p. 269
(Pickering).
Footnote 773:
_Ibid._ p. 308.
Footnote 774:
E. C. Pickering, _Astroph. Journ._ vol. xii. p. 52; _Harvard
Circular_, No. 56; _Astr. Nach._ Nos. 3651, 3664.
Footnote 775:
_Astroph. Journ._ vol. xii. p. 258.
Footnote 776:
_Harvard Circular_, Nos. 56, 57.
Footnote 777:
_Sitzungsberichte_, Berlin, 21 März 1901.
Footnote 778:
Rev. W. Sidgreaves, _Observatory_, vol. xxiv. p. 192.
Footnote 779:
_Monthly Notices_, vols. lxi. pp. 388, 462; lxii. p. 521.
Footnote 780:
_Ibid._ vol. lxi. p. 464.
Footnote 781:
_Harvard Circular_, No. 59.
Footnote 782:
_Yerkes Observatory Bulletin_, Nos. 16, 17.
Footnote 783:
This was assured by Campbell’s determinations (_Lick Bulletin_, No.
8).
Footnote 784:
_Lick Bulletin_, No. 8; Sidgreaves, _Astr. Nach._ No. 3741; Von
Gothard, _ibid._ No. 3738.
Footnote 785:
_Astr. Nach._ Nos. 3752, 3753.
Footnote 786:
_Astroph. Journ._ vol. xiv. p. 167.
Footnote 787:
_Ibid._ p. 293.
Footnote 788:
_Lick Bulletin_, No. 10.
Footnote 789:
_Ibid._ No. 14.
Footnote 790:
_Astr. Nach._ No. 3756.
Footnote 791:
_Nature_, 30th Jan. 1902.
Footnote 792:
_Astr. Nach._ No. 3771.
Footnote 793:
_Astroph. Journ._ vol. xvi. p. 38.
Footnote 794:
_Astr. Nach._ No. 3603.
Footnote 795:
_Vierteljahrsschrift Astr. Ges._ Jahrg. xxxi. p. 258.
Footnote 796:
_Astr. Nach._ Nos. 3118, 3187, 3598.
Footnote 797:
_Nature_, vol. lxiv. p. 253.
Footnote 798:
The fifth and sixth stars of the trapezium have, however, certainly
gained brightness of late. Comas Solà, _Astr. Nach._ No. 3751.
Footnote 799:
The radial velocity of η Geminorum proved variable on Campbell’s
examination in 1902. _Lick Bulletin_, No. 20.
Footnote 800:
_Bull. Société Astr. de France_, Mars 1895, p. 85.
Footnote 801:
_Publicationen der Hamburger Sternwarte_, 1874, No. 1.
Footnote 802:
_Publicationem der Hamburger Sternwarte_, p. 79.
Footnote 803:
_Astroph. Journ._ vol. i. p. 11.
Footnote 804:
Roberts, _Celestial Photographs_, vol. i. p. 39.
Footnote 805:
_Der Sternhaufen_ χ _Persei_, 1878, p. 30.
Footnote 806:
_Phil. Trans._ vol. cxxiii. p. 373.
Footnote 807:
Webb, _Cel. Objects_, ed. Espin, vol. ii. p. 200.
Footnote 808:
_Astr. and Astrophysics_, vol. xiii. p. 180.
Footnote 809:
_Astron. Mittheilungen der kön. Sternwarte zu Göttingen_, Th. iv.; see
also Schlesinger’s “Measurement of the Rutherfurd Photographs of the
Præsepe Group,” _Contributions from the Columbia University_, No. 15,
1898.
Footnote 810:
_Harvard Annals_, vol. xxvi. pt. ii. p. 264.
Footnote 811:
W. C. Kretz, _Contributions from the Columbia University_, No. 16,
1900, p. 478.
Footnote 812:
_Harvard Annals_, vol. xxvi. p. 283.
Footnote 813:
_Transactions Yale Observatory_, vol. i. pt. i. 1887.
Footnote 814:
_Astroph. Journ._ vol. v. p. 352.
Footnote 815:
_Astr. Nach._ No. 3441.
Footnote 816:
_Astronomy and Astrophysics_, vol. xiii. p. 193.
Footnote 817:
_Astr. Nach._ Nos. 3018, 3032.
Footnote 818:
_Ibid._ No. 3074; _Publ. Lick Observatory_, vol. ii. p. 174.
Footnote 819:
_Journ. Brit. Astr. Assoc._ vol. ix. p. 133.
Footnote 820:
_Astr. Nach._ No. 3441.
Footnote 821:
_Ibid._ No. 3253; _Monthly Notices_, vol. lx. p. 258.
Footnote 822:
_Astr. Nach._ No. 3275; _Sirius_, 1891, p. 106. Wolf’s photographs
were taken previously, but interpreted subsequently to Barnard’s.
Footnote 823:
_Pop. Astr._ Feb. 1899.
Footnote 824:
_Monthly Notices_, vol. lx. p. 259.
Footnote 825:
A. C. Maury, _Harvard Annals_, vol. xxviii. p. 20.
Footnote 826:
See _ante_, p. 230.
Footnote 827:
_Astr. Mittheilungen_, Th. iii.; quoted in _Observatory_, vol. xvii.
p. 309.
Footnote 828:
_Bull. Société Astr. de France_, 1896, p. 293.
Footnote 829:
_Astr. Nach._ Nos. 3587, 3588.
Footnote 830:
Vogel, _Jahresbericht_, 1899.
Footnote 831:
_Monthly Notices_, vol. lvii. p. 16.
Footnote 832:
_Knowledge_, vol. xx. p. 194.
Footnote 833:
Clerke, _System of the Stars_, p. 284.
Footnote 834:
_Astr. Nach._ No. 3111; _Astr. and Astrophysics_, vol. xiii. p. 792.
Footnote 835:
_Astr. Nach._ No. 3535.
Footnote 836:
Cf. photographs of the cluster and nebula by Naegamvala, _Knowledge_,
vol. xix. p. 183, and by Roberts, _ibid._ vol. xxiii. p. 132.
Footnote 837:
_Sidereal Messenger_, vol. ix. p. 47.
Footnote 838:
_Astr. Nach._ No. 2918; _Astr. and Astrophysics_, vol. xiii. p. 178.
Footnote 839:
_Ibid._ p. 643.
Footnote 840:
Gore, _Knowledge_, vol. xxii. p. 201.
Footnote 841:
_Abhandl. der kön. Sächs. Ges._ Bd. xv. Th. i. 1889.
Footnote 842:
Reproduced in _Knowledge_, vol. xix. p. 109.
Footnote 843:
_Astr. and Astrophysics_, vol. xiii. p. 642.
Footnote 844:
_Astr. and Astrophysics_, vol. xiii. pp. 180, 182.
Footnote 845:
_Publ. Lick Observatory_, vol. iii. p. 202.
Footnote 846:
_Cape Results_, p. 115.
Footnote 847:
See _Knowledge_, vol. xxi. p. 279.
Footnote 848:
Bailey, _Astr. and Astrophysics_, vol. xii. p. 689.
Footnote 849:
Pickering, _Harvard Annals_, vol. xxvi. p. 218.
Footnote 850:
_Ibid._ p. 221.
Footnote 851:
_Ibid._ p. 220.
Footnote 852:
_Phil. Trans._ vol. cli. p. 732.
Footnote 853:
_Publ. Pacific Society_, vol. iii. p. 375.
Footnote 854:
_Ibid._ No. 70, p. 201.
Footnote 855:
_Astroph. Journ._ vol. x. p. 246.
Footnote 856:
_Astroph. Journ._ vol. xii. p. 181.
Footnote 857:
_Abhandl. der Kön. Preuss. Akad._ 1892, Anhang.
Footnote 858:
J. Herschel, _Cape Results_, pp. 23, 113, Plate vi. Fig. 14.
Footnote 859:
_Engl. Mechanic_, vol. li. p. 378; _Sidereal Messenger_, vols. ix. p.
380; x. p. 107.
Footnote 860:
_Monthly Notices_, vol. 1. p. 517.
Footnote 861:
_Astroph. Journ._ vol. ii. p. 321; _Harvard Annals_, vol. xxxviii.,
contains a complete discussion of these variables by Bailey.
Footnote 862:
_Address on Astronomical Photography_, p. 26; _Knowledge_, vol. xxi.
p. 280 (Clerke).
Footnote 863:
_Harvard Circular_, No. 33.
Footnote 864:
_Astroph. Journ._ vol. x. p. 255.
Footnote 865:
_Publ. Pacific Society_, No. 70, p. 210.
Footnote 866:
_Astr. Nach._ No. 3519.
Footnote 867:
Parkhurst, _Astr. Journ._ No. 482.
Footnote 868:
_Trans. Royal Dublin Society_, vol. ii. p. 132.
Footnote 869:
Bélopolsky, _Astr. Nach._ No. 3338.
Footnote 870:
_Celestial Photographs_, vol. i. p. 119.
Footnote 871:
Secchi, _Atti dell’ Accad. Pont._ t. vii. p. 90, 1853.
Footnote 872:
_Harvard Circular_, No. 33.
Footnote 873:
_Harvard Annals_, vol. xxxviii. p. 234.
Footnote 874:
_Astroph. Journ._ vol. x. p. 263.
Footnote 875:
_Harvard Annals_, vol. xxvi. p. 247.
Footnote 876:
_General Astronomy_, section 891.
Footnote 877:
_Astr. Nach._ 3549; _Astroph. Journ._ vol. ix. p. 149.
Footnote 878:
_Atlas of Stellar Spectra_, p. 125.
Footnote 879:
_Celestial Photographs_, vol. ii. p. 63.
Footnote 880:
Scheiner, _Photographie der Gestirne_, p. 332.
Footnote 881:
This is denied by M. Antoniadi, on the strength of an observation with
the giant siderostat of Paris, 1st Sept. 1900 (_Knowledge_, vol.
xxiii. p. 251).
Footnote 882:
Swift, _Pop. Astr._ vol. i. p. 112.
Footnote 883:
Rabourdin, _Cosmos_, 19 Fevrier 1898, p. 232.
Footnote 884:
_Cape Results_, p. 53.
Footnote 885:
_Knowledge_, vol. xxiii. p. 132.
Footnote 886:
_Trans. Royal Dublin Society_, vol. ii. p. 79.
Footnote 887:
_Engl. Mechanic_, vol. xlii. p. 311.
Footnote 888:
_Celestial Photographs_, vol. i. p. 78.
Footnote 889:
_Astr. Nach._ No. 3601.
Footnote 890:
_Astroph. Journ._ vol. xi. p. 3.
Footnote 891:
_Astronomical and Physical Researches at Daramona_, Appended
Illustrations.
Footnote 892:
_Astroph. Journ._ vol. xiv. p. 34.
Footnote 893:
_Trans. Royal Dublin Society_, vol. ii. p. 135.
Footnote 894:
_Trans. Royal Dublin Society_, vol. ii. p. 50.
Footnote 895:
_Observatory_, vol. xii. p. 84.
Footnote 896:
_Cape Results_, pp. 20, 94.
Footnote 897:
Rosse, _Trans. Royal Dublin Society_, vol. ii. p. 19.
Footnote 898:
_Ibid._ p. 57.
Footnote 899:
They seem to have been depicted two months earlier by Max Wolf. See
_Astr. Nach._ Nos. 3214, 3217.
Footnote 900:
_Astr. and Astrophysics_, vol. xiii. p. 183.
Footnote 901:
_Celestial Photographs_, vol. ii. p. 159.
Footnote 902:
_Ibid._ vol. i. p. 41.
Footnote 903:
_Astroph. Journ._ vol. xi. p. 4.
Footnote 904:
_Celestial Photographs_, vol. ii. p. 135.
Footnote 905:
_Sitzungsberichte der kgl. bayer. Akad. der Wissenschaften_, Bd. xxxi.
Heft ii. p. 111 (1901).
Footnote 906:
_Astr. and Astrophysics_, vol. xii. p. 300.
Footnote 907:
Published as an “Inaugural Dissertation” at Berlin in 1892.
Footnote 908:
_Astroph. Journ._ vol. xi. p. 347.
Footnote 909:
_Gen. Cat._ Nos. 3572, 3574; _Phil. Trans._ vol. cxxiii. p. 496.
Footnote 910:
_Monthly Notices_, vol. lii. p. 458.
Footnote 911:
_Monthly Notices_, vol. lii. p. 453.
Footnote 912:
_Sterngruppen und Nebelmassen_, p. 33.
Footnote 913:
_Phil. Trans._ vol. cxl. p. 512, plate xxxvii. fig. 6.
Footnote 914:
_Memoirs Royal Astr. Society_, vol. xxiii. p. 62.
Footnote 915:
_Monthly Notices_, vol. xlvii. p. 416.
Footnote 916:
_Copernicus_, vol. i. p. 50.
Footnote 917:
_Popular Astronomy_, vol. i. p. 370.
Footnote 918:
_Trans. Royal Dublin Society_, vol. ii. p. 97.
Footnote 919:
_Astr. Nach._ No. 3517.
Footnote 920:
_Monthly Notices_, vol. xlviii. p. 331.
Footnote 921:
_Celestial Photographs_, vol. i. p. 131.
Footnote 922:
_Astr. Nach._ No. 3168.
Footnote 923:
J. Herschel, _Phil. Trans._ vol. cxxiii. p. 403; Rosse, _Trans. Royal
Dublin Soc._ vol. ii. p. 95; Spitaler, _Astr. Nach._ No. 3168.
Footnote 924:
See a photograph by Roberts, _Celestial Photographs_, vol. ii. p. 135.
Footnote 925:
_Lick Publications_, vol. iii. p. 204.
Footnote 926:
_Cape Results_, p. 20.
Footnote 927:
_Trans. Royal Dublin Society_, vol. ii. p. 118.
Footnote 928:
_Astr. Nach._ No. 3517.
Footnote 929:
J. Herschel, _Phil. Trans._ vol. cxxiii. p. 431.
Footnote 930:
_Ibid._ vol. cxl. p. 512.
Footnote 931:
J. Herschel, _Cape Results_, p. 22.
Footnote 932:
_Astr. Nach._ No. 2755.
Footnote 933:
Pickering, _Harvard Circular_, No. 12.
Footnote 934:
_Popular Astronomy_, vol. i. p. 370.
Footnote 935:
_Astr. Nach._ No. 3704.
Footnote 936:
_Sitzungsberichte_, Munich, 23rd March 1901, p. 111.
Footnote 937:
_Astr. Nach._ No. 3517.
Footnote 938:
_Phil. Trans._ vol. lxxxi. p. 71.
Footnote 939:
_Leipzig Abhandl._ Bd. iii. p. 314.
Footnote 940:
_Trans. Royal Dublin Society_, vol. ii. p. 40; _Phil. Trans._ vol.
cli. p. 714.
Footnote 941:
_Lick Publications_, vol. ii. p. 161.
Footnote 942:
_Astr. Nach._ No. 3111.
Footnote 943:
Since the above words were written it has been applied. Professor
Frost examined, in September 1902, a spectrograph of S.D. −10° 4713
taken by Mr. Ellerman in 1899, and finds it to bear authentic marks of
the helium type.
Footnote 944:
_Sidereal Messenger_, vol. iv. p. 39.
Footnote 945:
_Astr. and Astrophysics_, vol. xiii. p. 177.
Footnote 946:
_Ibid._ p. 181.
Footnote 947:
_Astr. Nach._ No. 2683.
Footnote 948:
_Ibid._ No. 3111.
Footnote 949:
_Ibid._ No. 3101.
Footnote 950:
_Monthly Notices_, vol. lii. p. 442.
Footnote 951:
_Ibid._ p. 454.
Footnote 952:
_Publications of the Yerkes Observatory_, vol. i. p. 75.
Footnote 953:
_Knowledge_, vol. xvii. p. 17; _Astr. Journ._ No. 447.
Footnote 954:
_Publications of the Yerkes Observatory_, vol. i. p. 227.
Footnote 955:
_Celestial Cycle_, p. 152 (ed. 1881).
Footnote 956:
_Phil. Trans._ vol. cxxiii. p. 380.
Footnote 957:
_Ibid._ vol. cxl. p. 514, fig. 16; _Trans. Royal Dublin Society_, vol.
ii. p. 50.
Footnote 958:
_Phil. Trans._ vol. cxci. p. 129.
Footnote 959:
W. H. Pickering, _Harvard Annals_, vol. xxxii. p. 66.
Footnote 960:
_Knowledge_, vol. xvii. p. 17.
Footnote 961:
_Astr. Nach._ No. 2707.
Footnote 962:
_Monthly Notices_, vol. xlix. p. 363.
Footnote 963:
Ingall, _ibid._ p. 420.
Footnote 964:
_Popular Astronomy_, Sept. 1897, pp. 229, 232.
Footnote 965:
_Phil. Trans._ vol. cliv. p. 442.
Footnote 966:
_Astr. Nach._ No. 1613.
Footnote 967:
_Monthly Notices_, vol. xlii. p. 446.
Footnote 968:
_Comptes Rendus_, t. xc. p. 837.
Footnote 969:
_Monthly Notices_, vol. xlii. p. 446.
Footnote 970:
_Publ. Lick Observatory_, vol. iii. p. 203.
Footnote 971:
Cf. J. H. Jeans, “On the Stability of a Spherical Nebula,” _Phil.
Trans._ vol. cxcix. A, p. 1.
Footnote 972:
Ginzel, _Astr. Nach._ No. 2829.
Footnote 973:
_Lick Publications_, vol. iii. p. 209.
Footnote 974:
_System of the Stars_, p. 256, Fig. 35.
Footnote 975:
_Publ. Lick Observatory_, vol. iii. p. 212.
Footnote 976:
_Phil. Trans._ vol. xcii. p. 522.
Footnote 977:
_Trans. Royal Dublin Society_, vol. ii. p. 93.
Footnote 978:
_Celestial Photographs_, vol. ii. p. 127.
Footnote 979:
_Phil. Trans._ vol. cxxiii. p. 402.
Footnote 980:
_Ibid._ vol. cxl. plate xxxvii. fig. 11, p. 513.
Footnote 981:
_Phil. Trans._ vol. cli. p. 721.
Footnote 982:
_Publ. Lick Observatory_, vol. iii. p. 203.
Footnote 983:
_Monthly Notices_, vol. lvi. p. 379.
Footnote 984:
_Astr. Journ._ vol. ii. p. 141.
Footnote 985:
_Publ. Lick Observatory_, vol. ii. p. 159.
Footnote 986:
_Astr. Nach._ No. 3017; Burnham, _Monthly Notices_, vol. lii. pp. 33,
449.
Footnote 987:
_Ibid._ vol. xlviii. p. 388.
Footnote 988:
_Monthly Notices_, vol. lii. p. 40; _Publ. Lick Observatory_, vol. ii.
p. 165.
Footnote 989:
_Ibid._ vol. iii. p. 217.
Footnote 990:
_Astr. Nach._ No. 1885.
Footnote 991:
_Publ. Lick Observatory_, vol. iii. pp. 212, 217 (Keeler).
Footnote 992:
This assertion must be qualified if Miss Cannon’s observation of the
line λ 5007 in certain members of the Wolf-Rayet family be
substantiated. _Harvard Annals_, vol. xxviii. p. 141.
Footnote 993:
Wilsing and Scheiner, _Astr. Nach._ No. 3805.
Footnote 994:
Campbell, _Astr. and Astrophysics_, vol. xiii. p. 494.
Footnote 995:
A formula connecting these three lines into a series has been
published by Mr. E. F. J. Love (_Monthly Notices_ vol. lxii. p. 524),
but their conformity to it may be purely accidental.
Footnote 996:
Ferry’s experiments at Upsala in 1898 went to show that C gains in
relative strength with _diminishing_ pressure (_Physical Review_, vol.
vii. p. 6).
Footnote 997:
Campbell, _Astr. and Astrophysics_, vol. xiii. p. 496.
Footnote 998:
_Publ. Lick Observatory_, vol. iii. p. 209.
Footnote 999:
_Astr. and Astrophysics_, vol. xiii. p. 495.
Footnote 1000:
_Ibid._ vol. xii. pp. 52, 55.
Footnote 1001:
_Astr. Nach._ Nos. 2292, 2293, 2309.
Footnote 1002:
_Publ. Lick Observatory_, vol. iii. p. 214.
Footnote 1003:
_Astr. and Astrophysics_, vol. xiii. p. 498.
Footnote 1004:
_Ibid._ vol. xii. p. 55.
Footnote 1005:
_Astr. Nach._ No. 2353; _Copernicus_, vol. i. p. 2.
Footnote 1006:
_Monthly Notices_, vol. xxxiv. p. 71.
Footnote 1007:
Keeler, _Publ. Lick Observatory_, vol. iii. p. 214.
Footnote 1008:
_Monthly Notices_, vol. lii. pp. 45, 46.
Footnote 1009:
_Memoirs Royal Astr. Society_, vol. xxiii. p. 61.
Footnote 1010:
_Monthly Notices_, vol. lii. p. 31.
Footnote 1011:
_Publ. Lick Observatory_, vol. iii. p. 211.
Footnote 1012:
_Astr. and Astrophysics_, vol. xii. p. 52.
Footnote 1013:
_Observatory_, vol. v. p. 26.
Footnote 1014:
D’Arrest, _Leipzig Abhandl._ Bd. iii. p. 308, 1857.
Footnote 1015:
Wilsing, _Astr. Nach._ Nos. 3190, 3261.
Footnote 1016:
Kleiber, _Astr. Nach._ No. 3037.
Footnote 1017:
_Astroph. Journ._ vol. x. p. 197.
Footnote 1018:
_Astr. Jahrbuch_, 1788, p. 242; _Phil. Trans._ vol. lxxv. p. 263.
Footnote 1019:
_Monthly Notices_, vol. xxxvi. p. 66.
Footnote 1020:
_Ibid._ vol. xlviii. p. 387.
Footnote 1021:
_Phil. Trans._ vol. cxxxiv. plate xix. fig. 29.
Footnote 1022:
_Nature_, vol. xliii. p. 420.
Footnote 1023:
_Astr. Jahrbuch_, 1803, p. 106.
Footnote 1024:
_Trans. Royal Dublin Society_, vol. ii. p. 152.
Footnote 1025:
_Astr. Nach._ No. 1018.
Footnote 1026:
_Nova Acta Societatis R. Upsaliensis_, ser. iii. vol. ix. p. 99, 1874.
Footnote 1027:
_Astr. Nach._ No. 2186.
Footnote 1028:
_Astr. Journ._ No. 200.
Footnote 1029:
_Potsdam Publ._ No. 14, p. 35.
Footnote 1030:
_Astr. Nach._ No. 2800.
Footnote 1031:
_Astroph. Journ._ vol. x. p. 199.
Footnote 1032:
_Astr. Nach._ No. 3200.
Footnote 1033:
_Monthly Notices_, vol. lx. p. 245.
Footnote 1034:
_Ibid._ p. 257.
Footnote 1035:
_Astr. and Astrophysics_, vol. xii. pp. 52, 55.
Footnote 1036:
_Ibid._ vol. xiii. p. 497.
Footnote 1037:
_Trans. Royal Dublin Society_, vol. ii. p. 156.
Footnote 1038:
_Monthly Notices_, vol. lii. p. 44.
Footnote 1039:
_Celestial Photographs_, vol. ii. p. 133.
Footnote 1040:
_Publ. Pacific Society_, vol. xi. p. 180.
Footnote 1041:
_Knowledge_, vol. xxiii. p. 250.
Footnote 1042:
_Memoirs Royal Astr. Society_, vol. xxxvi. p. 47.
Footnote 1043:
_Monthly Notices_, vol. lii. p. 38.
Footnote 1044:
_Cape Results_, p. 114.
Footnote 1045:
Swift, _Pop. Ast._ December 1897, p. 426.
Footnote 1046:
_Phil. Trans._ vols. cxl. p. 513; cli. p. 716.
Footnote 1047:
_Memoirs Royal Astr. Society_, vol. xxiii. p. 60.
Footnote 1048:
_Celestial Photographs_, vol. ii. p. 35.
Footnote 1049:
_Cape Results_, p. 90, plate vi. fig. 7.
Footnote 1050:
_Potsdam Publ._ No. 14, p. 37.
Footnote 1051:
_Phil. Trans._ vol. cli. plate xxx. fig. 40.
Footnote 1052:
_Monthly Notices_, vol. lii. p. 46.
Footnote 1053:
_Publ. Lick Observatory_, vol. iii. p. 215.
Footnote 1054:
_Astr. and Astrophysics_, vol. xiii. p. 499.
Footnote 1055:
_English Mechanic_, vol. xlii. p. 311.
Footnote 1056:
_Harvard Annals_, vol. xxxiii. p. 146.
Footnote 1057:
_Publ. Pacific Society_, No. 70, p. 201, 1899.
Footnote 1058:
Scheiner, _Astr. Nach._ No. 3086; Wilsing, _ibid._ No. 3261.
Footnote 1059:
_Monthly Notices_, vol. xlviii. p. 393.
Footnote 1060:
_Knowledge_, vol. xv. p. 149.
Footnote 1061:
_Potsdam Publ._ No. 14, p. 38.
Footnote 1062:
_Publ. Lick Observatory_, vol. iii. p. 213; _Astroph. Journ._ vol. x.
p. 195.
Footnote 1063:
_Astr. Nach._ No. 3086.
Footnote 1064:
_Phil. Trans._ vol. cxl. p. 514, fig. 15.
Footnote 1065:
_Abhandl. Leipziger Akad._ Bd. iii. p. 321; _Astr. Nach._ No. 1885.
Footnote 1066:
_Memoirs Royal Astr. Society_, vol. xxiii. p. 61.
Footnote 1067:
_Les Étoiles_, t. ii. p. 16.
Footnote 1068:
_Monthly Notices_, vol. xxviii. p. 154.
Footnote 1069:
_Ibid._ vol. lii. p. 35.
Footnote 1070:
_Ibid._ vol. lx. p. 256.
Footnote 1071:
Comas Solà, _Astr. Nach._ No. 3751.
Footnote 1072:
_Knowledge_, vol. xii. p. 147.
Footnote 1073:
_Ibid._ vol. xx. p. 193.
Footnote 1074:
_Astr. Nach._ No. 3027.
Footnote 1075:
_Harvard Annals_, vol. xxxii. p. 66.
Footnote 1076:
_Astr. and Astrophysics_, vol. xiii. p. 813.
Footnote 1077:
_Harvard Annals_, vol. xxxii. p. 77.
Footnote 1078:
_Astr. Nach._ No. 3513.
Footnote 1079:
_Jahrbuch der Erfindungen_, 1898, p. 101; _Potsdam Publ._ Bd. xi.
Footnote 1080:
_Harvard Annals_, vol. xxxii. p. 80.
Footnote 1081:
Vogel, _Sitzungsberichte_, Berlin, 13 März 1902.
Footnote 1082:
_Astroph. Journ._ vol. x. p. 29.
Footnote 1083:
_Astr. Nach._ No. 3476.
Footnote 1084:
_Publ. Lick Observatory_, vol. iii. p. 224.
Footnote 1085:
_Astroph. Journ._ vol. ix. p. 312.
Footnote 1086:
_Astroph. Journ._ vol. viii. p. 32; _Astr. Nach._ No. 3471.
Footnote 1087:
_Astroph. Journ._ vol. ix. p. 133.
Footnote 1088:
_Ibid._ p. 140.
Footnote 1089:
_Publ. Pacific Society_, vol. v. p. 207.
Footnote 1090:
_Astr. Nach._ No. 3476.
Footnote 1091:
_Proc. Royal Society_, vol. lviii. p. 255.
Footnote 1092:
_Proc. Royal Society_, vol. xlvi. p. 41.
Footnote 1093:
_Astr. and Astrophysics_, vol. xiii. p. 478.
Footnote 1094:
_Washington Observations_, 1878, App. i.
Footnote 1095:
_Publ. Leander M‘Cormick Observatory_, vol. i. pt. vii. p. 274.
Footnote 1096:
_Mémoires de l’Acad. de St. Pétersbourg_, t. v. No. 4, p. 115.
Footnote 1097:
_Publ. Leander M‘Cormick Observatory_, vol. i. p. 333.
Footnote 1098:
_Knowledge_, vol. xvii. p. 133.
Footnote 1099:
Copied in _Knowledge_, vol. xvi. p. 69.
Footnote 1100:
_Phil. Trans._ 1786, p. 494; 1789, p. 247; 1811, p. 289; quoted by
Holden, _American Journ. of Science_, vol. xiv. p. 434, 1877.
Footnote 1101:
_Memoirs Royal Astr. Society_, vol. iii. p. 63.
Footnote 1102:
Reproduced in _Astroph. Journ._ vol. xi. p. 325.
Footnote 1103:
_Popular Astronomy_, vol. i. p. 251.
Footnote 1104:
_Publ. Lick Observatory_, vol. iii. p. 205.
Footnote 1105:
_Astroph. Journ._ vol. ii. p. 162.
Footnote 1106:
_Phil. Trans._ vol. cxxiii. p. 461.
Footnote 1107:
_Cape Results_, p. 10.
Footnote 1108:
_Sidereal Messenger_, vol. iv. p. 38.
Footnote 1109:
_Celestial Photographs_, vol. i. p. 101.
Footnote 1110:
_Amer. Journ. of Science_, vol. xi. p. 341, third series.
Footnote 1111:
_Monthly Notices_, vol. xlvii. p. 420.
Footnote 1112:
_Forty-Seventh Annual Report._
Footnote 1113:
_Harvard Annals_, vol. xxvi. p. 206.
Footnote 1114:
_Astroph. Journ._ vol. ii. p. 350.
Footnote 1115:
_Astr. Nach._ No. 3082.
Footnote 1116:
_Ibid._ No. 3157.
Footnote 1117:
_Ibid._ No. 3301; _Knowledge_, vol. xix. p. 205.
Footnote 1118:
_Knowledge_, vol. xvii. p. 17.
Footnote 1119:
_Ibid._ vol. xiv. pp. 188, 230; _Observatory_, vol. xiv. p. 301;
_Astr. Nach._ No. 3048.
Footnote 1120:
_Knowledge_, vol. xxii. p. 132.
Footnote 1121:
_Astr. and Astrophysics_, vol. xi. p. 528; Wolf, _Astr. Nach._ No.
3130.
Footnote 1122:
_Celestial Photographs_, vol. i. p. 113.
Footnote 1123:
_Astr. Nach._ No. 3738.
Footnote 1124:
_Cape Results_, p. 20.
Footnote 1125:
_Ibid._ p. 24.
Footnote 1126:
_Conn. des Temps pour 1784_, p. 229.
Footnote 1127:
Smyth, _Celestial Cycle_, p. 145 (ed. 1881).
Footnote 1128:
_Phil. Trans._ vols. cxxxiv. p. 322, cli. p. 715; _Trans. Royal Dublin
Soc._ vol. ii. p. 47.
Footnote 1129:
_Celestial Photographs_, vol. i. p. 52.
Footnote 1130:
_Harvard Annals_, vol. xiii. pp. 64, 66.
Footnote 1131:
_Phil. Trans._ vol. cli. p. 713, plate xxv. fig. 6.
Footnote 1132:
_Comptes Rendus_, t. cxxvi. p. 1191.
Footnote 1133:
_Phil. Trans._ vol. cli. p. 713; _Trans. Royal Dublin Society_, vol.
ii. p. 32.
Footnote 1134:
Webb, _Celestial Objects_, vol. ii. p. 188 (5th edition).
Footnote 1135:
_Trans. Royal Dublin Society_, vol. ii. p. 51.
Footnote 1136:
_Knowledge_, vol. xviii. p. 253.
Footnote 1137:
Smyth, _Celestial Cycle_, p. 361.
Footnote 1138:
_Harvard Annals_, vol. xxxiii. p. 144.
Footnote 1139:
J. Herschel, _Phil. Trans._ vol. cxxiii. p. 434; Rosse, _Trans. Royal
Dublin Society_, vol. ii. p. 122.
Footnote 1140:
_Celestial Photographs_, vol. i. p. 81.
Footnote 1141:
Smyth, _Celestial Cycle_, p. 472; Webb, _Celestial Objects_, vol. ii.
p. 137.
Footnote 1142:
_Phil. Trans._ vol. clvi. p. 390; _Harvard Annals_, vol. xxxiii. p.
144.
Footnote 1143:
_Trans. Royal Dublin Society_, vol. ii. p. 150.
Footnote 1144:
_Ibid._ p. 123.
Footnote 1145:
_Celestial Photographs_, vol. ii. p. 129.
Footnote 1146:
_Sidereal Messenger_, vol. iv. p. 4.
Footnote 1147:
Dreyer, _Memoirs Royal Astr. Society_, vol. xlix. p. 215.
Footnote 1148:
_Monthly Notices_, vol. lii. p. 455.
Footnote 1149:
_Astr. Nach._ No. 1391.
Footnote 1150:
_Ibid._ No. 1366.
Footnote 1151:
_Lick Publications_, vol. ii. p. 176.
Footnote 1152:
_Monthly Notices_, vol. lvi. p. 66.
Footnote 1153:
_Monthly Notices_, vol. lix. p. 372.
Footnote 1154:
_Ibid._ vol. lx. p. 424.
Footnote 1155:
_Astr. Nach._ No. 1689; Barnard, _Monthly Notices_, vol. lv. p. 442.
Footnote 1156:
_Monthly Notices_, vol. l. p. 440.
Footnote 1157:
_Astr. Nach._ No. 2212.
Footnote 1158:
_Monthly Notices_, vol. lv. p. 451.
Footnote 1159:
Quoted by Bigourdan, _Comptes Rendus_, t. cxii. p. 471.
Footnote 1160:
_Astr. Nach._ Nos. 3030, 3167, 3168.
Footnote 1161:
_Publications of the Lick Observatory_, vol. ii. p. 172.
Footnote 1162:
_Astr. Nach._ No. 3097; _Monthly Notices_, vol. lv. p. 452.
Footnote 1163:
_Astr. Nach._ No. 3097.
Footnote 1164:
_Observatory_, vol. xv. p. 104.
Footnote 1165:
Denning, _Astr. Nach._ No. 3111.
Footnote 1166:
_Astr. and Astrophysics_, vol. xi. p. 566.
Footnote 1167:
_Monthly Notices_, vol. xxxviii. p. 104; _Astr. Nach._ No. 2293; _V.
J. S. Astr. Ges._ Jahrgang xiv. p. 167.
Footnote 1168:
_Publ. Lick Observatory_, vol. ii. p. 172.
Footnote 1169:
_Memoirs Royal Astr. Society_, vol. xlix. p. 213.
Footnote 1170:
_Publ. Lick Observatory_, vol. ii. p. 176.
Footnote 1171:
Ranyard, _Knowledge_, vol. xv. p. 132.
Footnote 1172:
_Knowledge_, vol. xv. p. 191.
Footnote 1173:
_Phil. Trans._ vol. clviii. p. 72.
Footnote 1174:
_Knowledge_, vol. xix. p. 39.
Footnote 1175:
Clerk Maxwell, _Theory of Heat_, 10th ed. p. 245.
Footnote 1176:
_Cardiff Address_, p. 21.
Footnote 1177:
E. S. Ferry, _Physical Review_, vol. vii. p. 6; Lewis, _Astroph.
Journ._ vol. x. p. 141.
Footnote 1178:
Maunder, _Knowledge_, vol. xix. p. 286.
Footnote 1179:
Barnard, _Monthly Notices_, vol. l. p. 310.
Footnote 1180:
_Ibid._ p. 314; _Astr. and Astrophysics_, vol. xiii. p. 179.
Footnote 1181:
_Astroph. Journ._, vol. ix. p. 157.
Footnote 1182:
Ranyard, _Knowledge_, vol. xiv. p. 112.
Footnote 1183:
Barnard, _Report Harvard Conference_, Aug. 1898, p. 19.
Footnote 1184:
Burns, _Knowledge_, vol. xxii. p. 227.
Footnote 1185:
_Ibid._ vol. xix. p. 205.
Footnote 1186:
_Annals of Cape Observatory_, vol. iii. p. 22 (Introduction).
Footnote 1187:
_Knowledge_, vol. xiv. p. 51.
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Problems in astrophysicsChapter LXII: Appendix: Table I (3)
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