R Apodis

R Apodis

Observation data Epoch J2000      Equinox J2000
Constellation	Apus
Right ascension	14^h 57^m 52.98366^s[1]
Declination	−76° 39′ 45.5556″[1]
Apparent magnitude (V)	5.38
Characteristics
Spectral type	K4 III
U−B color index	1.7
B−V color index	1.45
Astrometry
Radial velocity (Rv)	-31.2 km/s
Proper motion (μ)	RA: -68.69[1] mas/yr Dec.: -15.71[1] mas/yr
Parallax (π)	8.71 ± 0.25[1] mas
Distance	370 ± 10 ly (115 ± 3 pc)
Absolute magnitude (MV)	−0.22 ± 0.16[2]
Details
Mass	1.18 ± 0.20[2] M☉
Radius	26.3 ± 2.6[2] R☉
Luminosity	1000 L☉
Surface gravity (log g)	1.64 ± 0.11[2] cgs
Temperature	4,158[2] K
Metallicity [Fe/H]	−0.07[2] dex
Age	5.14 ± 2.43[2] Gyr
Other designations
GCRV 8654, HR 5540, SAO 257212, CD-76° 688, IRAS 14520-7627, CPC 21.3 1817, GSC 09428-02897, 2MASS J14575300-7639454, TYC 9428-2897-1, CPD-76° 924, HD 131109, N30 3367, AAVSO 1446-76, FK5 3175, PLX 3358, GC 20057, HIP 73223, PPM 372479.
Database references
SIMBAD	data

R Apodis (R Aps) is a star in the constellation Apus.

R Apodis is an orange K-type giant with an apparent magnitude of +5.38. It is approximately 370 light years from Earth. It was earlier suspected to be a variable star which explains it variable star designation R Apodis. Now it is confirmed as a non-variable.^[3]

References

1. van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
2. da Silva, L.; et al. (November 2006), "Basic physical parameters of a selected sample of evolved stars", Astronomy and Astrophysics 458 (2): 609–623, arXiv:astro-ph/0608160, Bibcode:2006A&A...458..609D, doi:10.1051/0004-6361:20065105
3. "R Aps". The International Variable Star Index. AAVSO – American Association of Variable Star Observers. Retrieved 10 April 2016.