GX Velorum
 
| |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Vela |
| Right ascension | 09h 11m 04.39853s[1] |
| Declination | −44° 52′ 04.4429″[1] |
| Apparent magnitude (V) | +5.00[2] (4.97 - 5.04[3]) |
| Characteristics | |
| Spectral type | B5 Ia[4] |
| U−B color index | −0.57[2] |
| B−V color index | +0.22[2] |
| Variable type | α Cyg?[3] |
| Astrometry | |
| Radial velocity (Rv) | 28.20[5] km/s |
| Proper motion (μ) | RA: −4.92 ± 0.31[1] mas/yr Dec.: 4.75 ± 0.26[1] mas/yr |
| Parallax (π) | 0.69 ± 0.29[1] mas |
| Distance | 1,585[6] pc |
| Absolute magnitude (MV) | −7.20[7] |
| Details | |
| Mass | 35[4] M☉ |
| Radius | 61[8] R☉ |
| Surface gravity (log g) | 2.00[4] cgs |
| Temperature | 15,100[4] K |
| Rotational velocity (v sin i) | 39[4] km/s |
| Age | 8.3[9] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
GX Velorum (GX Vel) is a blue supergiant variable star in the constellation Vela. Its apparent magnitude is 5.0. It is an α Cygni pulsating variable.
References
- 1 2 3 4 5 van Leeuwen, F. (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.Vizier catalog entry - 1 2 3 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.
- 1 2 Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
- 1 2 3 4 5 Fraser, M.; Dufton, P. L.; Hunter, I.; Ryans, R. S. I. (2010). "Atmospheric parameters and rotational velocities for a sample of Galactic B-type supergiants". Monthly Notices of the Royal Astronomical Society. 404: 1306. arXiv:1001.3337. Bibcode:2010MNRAS.404.1306F. doi:10.1111/j.1365-2966.2010.16392.x.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ↑ Denoyelle, J. (1977). "The spatial distribution of young stars in Vela (l = 257 to 284 )". Astronomy and Astrophysics. 27: 343. Bibcode:1977A&AS...27..343D.
- ↑ Reed, B. Cameron (2000). "Vela OB1: Probable New Members and Hertzsprung-Russell Diagram". The Astronomical Journal. 119 (4): 1855. Bibcode:2000AJ....119.1855R. doi:10.1086/301313.
- ↑ Wesselink, A. J.; Paranya, K.; Devorkin, K. (1972). "Catalogue of stellar dimensions". Astronomy and Astrophysics Supplement. 7: 257. Bibcode:1972A&AS....7..257W.
- ↑ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410: 190. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x.
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