Theta Pavonis

θ Pavonis

Location of θ Pavonis (circled)
Observation data Epoch J2000      Equinox J2000
Constellation	Pavo
Right ascension	18^h 48^m 37.90542^s [1]
Declination	−65° 04′ 39.6449″
Apparent magnitude (V)	5.73 [2]
Characteristics
Spectral type	A8V [1]
U−B color index	+0.11
B−V color index	+0.24 [3]
Astrometry
Radial velocity (Rv)	0.7 ± 4.3[4] km/s
Proper motion (μ)	RA: -38.07 mas/yr Dec.: -78.20 mas/yr
Parallax (π)	14.77 ± 0.34[5][6] mas
Distance	221 ± 5 ly (68 ± 2 pc)
Absolute magnitude (MV)	1.58
Details
Mass	1.86 [7] M☉
Radius	2.640 [8] R☉
Luminosity	20.04 L☉
Surface gravity (log g)	4.01 [9] cgs
Temperature	7886 [10] K
Rotational velocity (v sin i)	245.0 [11] km/s
Other designations
Theta Pavonis, θ Pavonis, Theta Pav, θ Pav, GSC 09077-02488, 2MASS J18483791-6504397, TD1 23057, CPC 21 4384, HD 173168, N30 4164, TYC 9077-2488-1, CPD-65 3754, HIC 92294, PPM 363593, UBV 15922, GC 25706, HIP 92294, ROT 2646, UBV M 23175, GCRV 11216, HR 7036, SAO 254374, uvby98 100173168[1]
Database references
SIMBAD	data

Theta Pavonis (θ Pav) is a white main-sequence star in the constellation Pavo. At 221 light-years away, it shines at an apparent visual magnitude of 5.73.

References

1. "Theta Pavonis", SIMBAD (Centre de Données astronomiques de Strasbourg), retrieved 2015-02-25
2. "BSC5P - Bright Star Catalog".
3. JOHNSON, H.L.; IRIARTE, B.; MITCHELL, R.I.; WISNIEWSKI, W.Z. "UBVRIJKL photometry of the bright stars.".
4. "Pulkovo radial velocities for 35493 HIP stars (Gontcharov, 2006)".
5. "HIPNEWCAT".
6. Van Leuuwen, F. (2007), Validation of the new Hipparcos reduction, Astronomy & Astrophysics, retrieved 2015-02-26
7. "Fundamental parameters of stars (Allende Prieto+, 1999)".
8. "Effective temperatures and radii of stars (Masana+, 2006)".
9. "Estimated astrophysical parameters from uvby (Philip+ 1980)".
10. "Teff and metallicities for Tycho-2 stars (Ammons+, 2006)".
11. "Catalog of Stellar Rotational Velocities (Glebocki+ 2005)".