Delta Antliae

δ Antliae

Observation data Epoch J2000      Equinox J2000
Constellation	Antlia
Right ascension	10h 29m 35.3785s
Declination	-30° 36′ 25.434″
Apparent magnitude (V)	5.57
Characteristics
Spectral type	B9.5/A0V
U−B color index	-0.18
B−V color index	-0.04
Variable type	Variable star
Astrometry
Radial velocity (Rv)	14 km/s
Proper motion (μ)	RA: -29.27 mas/yr Dec.: 2.44 mas/yr
Parallax (π)	6.78 ± 0.74 mas
Distance	approx. 480 ly (approx. 150 pc)
Absolute magnitude (MV)	5.53
Details
Mass	18 M☉
Radius	7 R☉
Luminosity	20,000 L☉
Temperature	10,000–30,000 K
Other designations
HR 4118, NSV 4876, CD-29° 8383, HD 90972, SAO 201442, HIP 51376.
Database references
SIMBAD	data

Delta Antliae (δ Ant, δ Antliae) is a binary star star system in the constellation Antlia. It is approximately 481 light years from Earth.

This is a double-lined spectroscopic binary^[1] that is classified as a blue-white B-type main sequence dwarf with an apparent magnitude of +5.57. It has a visual companion located 11 arcseconds away.

References

1. ^ Hubrig, S.; Le Mignant, D.; North, P.; Krautter, J. (June 2001). "Search for low-mass PMS companions around X-ray selected late B stars". Astronomy and Astrophysics 372: 152–164. arXiv:astro-ph/0103201. Bibcode 2001A&A...372..152H. doi:10.1051/0004-6361:20010452. 

• Image Delta Antliae