Theta Pavonis
| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 18h 48m 37.90542s [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 | |
| 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 2 3 "Theta Pavonis", SIMBAD, Centre de Données astronomiques de Strasbourg, retrieved 2015-02-25
- ↑ "BSC5P - Bright Star Catalog".
- ↑ JOHNSON, H.L.; IRIARTE, B.; MITCHELL, R.I.; WISNIEWSKI, W.Z. "UBVRIJKL photometry of the bright stars.".
- ↑ "Pulkovo radial velocities for 35493 HIP stars (Gontcharov, 2006)".
- ↑ "HIPNEWCAT".
- ↑ Van Leuuwen, F. (2007), Validation of the new Hipparcos reduction, Astronomy & Astrophysics, retrieved 2015-02-26
- ↑ "Fundamental parameters of stars (Allende Prieto+, 1999)".
- ↑ "Effective temperatures and radii of stars (Masana+, 2006)".
- ↑ "Estimated astrophysical parameters from uvby (Philip+ 1980)".
- ↑ "Teff and metallicities for Tycho-2 stars (Ammons+, 2006)".
- ↑ "Catalog of Stellar Rotational Velocities (Glebocki+ 2005)".
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