[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=name+sirius+a Database entry for Sirius A], SIMBAD. Accessed on line October 20, 2007. | dec=Astrometric data, mirrored by SIMBAD from the Hipparcos catalogue, pertains to the center of mass of the Sirius system. See §2.3.4, ''[http://www.rssd.esa.int/SA/HIPPARCOS/docs/vol1_all.pdf Volume 1, The Hipparcos and Tycho Catalogues]'', European Space Agency, 1997, and the [http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HIP%2032349 entry for Sirius] in the Hipparcos catalogue (CDS ID [http://vizier.u-strasbg.fr/viz-bin/Cat?I/239 I/239].) | appmag_v=−1.47 (A) / 8.44 (B)[http://vizier.u-strasbg.fr/viz-bin/VizieR-S?WD%200642-166 Entry for WD 0642-166], ''A Catalogue of Spectroscopically Identified White Dwarfs'' (August 2006 version), G. P. McCook and E. M. Sion (CDS ID [http://vizier.u-strasbg.fr/viz-bin/Cat

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # TAGS