S Antliae

S Antliae

The blue light curve of S Antliae, adapted from Hogg & Bowe (1950)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 09h 32m 18.3865s[2]
Declination −28° 37′ 39.968″[2]
Apparent magnitude (V) 6.27 to 6.83[3]
Characteristics
Spectral type A9V
B−V color index 0.33
Variable type Eclipsing binary W UMa type
Astrometry
Parallax (π)12.5121 ± 0.0491 mas[2]
Distance261 ± 1 ly
(79.9 ± 0.3 pc)
Absolute magnitude (MV)1.963[4]
Orbit[5]
Period (P)0.648 days
Semi-major axis (a)3.405 R☉
Inclination (i)69.49°
Details[5]
A
Mass0.79 M☉
Radius1.46 R☉
Luminosity7.07 L☉
Temperature7,800 K
B
Mass0.47 M☉
Radius1.13 R☉
Luminosity3.32 L☉
Temperature7,340 K
Age1.9 Gyr
Other designations
CD-28°7373, HD 82610, SAO 177619, HIP 46810, HR 3798.
Database references
SIMBADdata

S Antliae is a W Ursae Majoris-type eclipsing binary star in Antlia.

  1. ^ Cite error: The named reference Hogg was invoked but never defined (see the help page).
  2. ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  3. ^ Cite error: The named reference AAVSOS was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference eker 2008 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference latkovic2021 was invoked but never defined (see the help page).