A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[1021] Harvard Circular, No. 58.

[1022] Astr. Nach., No. 752.

[1023] L. Niesten, Annuaire, Bruxelles, 1881, p. 269.

[1024] According to Svedstrup (Astr. Nach., Nos. 2,240-41), the inclination to the ecliptic of the "mean asteroid's" orbit is = 6°.

[1025] Smiths. Report, 1876, p. 358; The Asteroids (Kirkwood), p. 42, 1888.

[1026] Tisserand, Annuaire, Paris, 1891, p. B. 15; Newcomb, Astr. Jour., No. 477; Backlund, Bull. Astr., t. xvii., p. 81; Parmentier, Bull. Soc. Astr. de France, March, 1896; Observatory, vol. xviii., p. 207.

[1027] Berberich, Astr. Nach., No. 3,088.

[1028] Bull. Astr., t. xviii., p. 39.

[1029] The Asteroids, p. 48; Publ. Astr. Pac. Soc., vols. ii., p. 48; iii., p. 95.

[1030] Comptes Rendus, t. xxxvii., p. 797.