Zeta¹ Antliae

ζ¹ Antliae
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 09h 30m 45.41s
Declination -31° 53′ 28.7″
Apparent magnitude (V) 6.96
Characteristics
Spectral type A1V
U−B color index 0.09
B−V color index 0.09
Astrometry
Radial velocity (Rv) -3 km/s
Proper motion (μ) RA: -14 mas/yr
Dec.: -25 mas/yr
Parallax (π) 8.76 ± 0.88 mas
Distance approx. 370 ly
(approx. 110 pc)
Details
Mass 3,1 M
Radius 2,1 R
Luminosity 40 L
Temperature 7,500–10,000 K
Metallicity ?
Rotation ?
Age ? years
Orbit
Companion ζ¹ Antliae A
Semimajor axis (a) 8"
Inclination (i) 212°
Other designations
HR 3780 + HR 3781, HD 82383 + HD 82384, CD-31°7355, HIP 46657, SAO 200444 + SAO 200445, GC 13135 + GC 13137, CCDM 09308-3153.
Database references
SIMBAD data
Database references
SIMBAD data
For other stars with this Bayer designation, see Zeta Antliae.

Zeta¹ Antliae is a binary star approximately 372 light years from Earth. Both components are white A-type main sequence dwarfs. They have apparent magnitudes of +6.18 and +7.00 and are separated by 8 arcseconds. The apparent magnitude of the combined system is +5.75.

Components

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
ζ¹ Antliae A (CCDM J09308-3153A) 09h 30m 46.0984s -31° 53' 21.199 5.74 A0 Simbad
ζ¹ Antliae C (HD 82383) 09h 30m 45.41s -31° 28.7 6.96 A1V Simbad

References