T Antliae

T Antliae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Antlia
Right ascension 09h 33m 50.85957s[1]
Declination −36° 36′ 56.7423″[1]
Apparent magnitude (V) 8.86 - 9.76[2]
Characteristics
Spectral type F6Iab-G5[2]
Variable type δ Cep[2]
Astrometry
Radial velocity (Rv)27.51±4.45[1] km/s
Proper motion (μ) RA: -6.969[1] mas/yr
Dec.: +5.850[1] mas/yr
Parallax (π)0.2924 ± 0.0286 mas[1]
Distance11,000 ± 1,000 ly
(3,400 ± 300 pc)
Absolute magnitude (MV)−3.42[3]
Details
Radius52[1] R☉
Luminosity1,889[1] L☉
Surface gravity (log g)2.1[4] cgs
Temperature5,286[1] K
Metallicity [Fe/H]−0.24[4] dex
Age100[3] Myr
Other designations
T Ant, HIP 46924, SAO 200500, CD−36°5776
Database references
SIMBADdata

T Antliae (also abbreviated T Ant) is a Classical Cepheid variable star that is between 10 and 12,000 light-years away from the Sun in the constellation of Antlia. A yellow-white supergiant with a spectral type of F6Iab, it ranges between apparent magnitude 8.86 and 9.76 over a period of 5.89820 days.

  1. ^ a b c d e f g h i 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.
  2. ^ a b c Cite error: The named reference AAVSOT was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Turner was invoked but never defined (see the help page).
  4. ^ a b Luck, R. E.; Andrievsky, S. M.; Kovtyukh, V. V.; Gieren, W.; Graczyk, D. (2011). "The Distribution of the Elements in the Galactic Disk. II. Azimuthal and Radial Variation in Abundances from Cepheids". The Astronomical Journal. 142 (2): 51. arXiv:1106.0182. Bibcode:2011AJ....142...51L. doi:10.1088/0004-6256/142/2/51. S2CID 119288363.