Tau Librae
Sign in to saveAlso known as 40 Librae, HD 139365, 40 Lib, HR 5812, SAO 183649, HIP 76600, HIC 76600, τ Lib
Spectroscopic binary system in the constellation Libra
Astronomical data · SIMBAD
- Object type
- SB*
- Spectral type
- B2.5V
- Distance
- 367 light-years
- Redshift
- z = 0.00001067410801458557
- Coordinates
- RA 234.6640° · Dec -29.7777°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- B-type main sequence star
- Constellation
- Libra
- Radius
- 3.2
Show 13 more facts
- catalog code
- UBV M 20870
- spectral class
- B3
- stellar rotational velocity
- 80
- right ascension
- 234.66403956542
- apparent magnitude
- 3.646205
- declination
- -29.77774877889
- effective temperature
- 21770
- radial velocity
- 3.2
- parallax
- 8.89
- epoch
- J2000.0
- luminosity
- 2.705
- right ascension component of proper motion
- -20
- declination component of proper motion
- -24
Sources (2)
via Wikidata · CC0