... SB, Porb = 55.9212d. V0745 Cas| ... Component B of the double system observed brighter than in the Hipparcos Input Catalogue. ... The variability may be due to the fainter component. ... Type ELL: is also possible. pi Cas| ... Variability type and spectral type (F2/F3Ib/II) do not agree. ... Variability type and spectral type (F3/F5II) do not agree. ... Variability may be due to component B. VZ Pic| ... Variability may be due to component B. V1377 Ori| ... SB, Porb = 9.073d. V0421 Cep|105091| ...

Hide Zen home . ... SAI RVO . SAI CAS . ... CAS stands for Catalog Access Services . It is the set of different interfaces and services to access and work with the large astronomical catalogues - Web site . ... Motivation - Phase 0 . ... The read-only git repository of the SAI CAS project is located at github . The outdated read-only Subversion repository of the SAI CAS project is located svn://vo.astronet.ru/cas_code , and the (outdated) web interface to the repository here . ...

Numerical Codes for Constellations, used in the GCVS for the 88 constellations. The three-letter abbreviations are those adopted by the International Astronomical Union for standard usage, except that they are, of course, all in upper case characters in the GCVS. Code | Const | ... Ant | ... Aps | ... Aqr | ... Aql | ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 January 3 . Cas A Supernova Remnant in X-Rays . ... Explanation: The complex shell of a star seen to explode 300 years ago is helping astronomers to understand how that star exploded. The above recently released image of supernova remnant Cassiopeia A (Cas A) shows unprecedented detail in three X-ray colors. ... About APOD > . ...