Observation data Epoch J2000 Equinox J2000 |
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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 | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
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.
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 |
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