Gamma1 Normae
  | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Norma |
| Right ascension | 16h 17m 00.93411s[1] |
| Declination | −50° 04′ 05.2333″[1] |
| Apparent magnitude (V) | 4.98[2] |
| Characteristics | |
| Evolutionary stage | Supergiant |
| Spectral type | F9Ia[3] |
| U−B color index | +0.49[2] |
| B−V color index | +0.80[2] |
| Astrometry | |
| Radial velocity (Rv) | −17.0[4] km/s |
| Proper motion (μ) | RA: −1.69[1] mas/yr Dec.: −3.39[1] mas/yr |
| Parallax (π) | 2.22 ± 0.27 mas[1] |
| Distance | approx. 1,500 ly (approx. 450 pc) |
| Absolute magnitude (MV) | -3.62[3] |
| Details | |
| Radius | 160[5] R☉ |
| Surface gravity (log g) | 2.0[6] cgs |
| Temperature | 6,068[6] K |
| Metallicity [Fe/H] | -0.13[6] dex |
| Age | 53[7] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Gamma1 Normae (γ1 Nor) is a star in the constellation Norma. Its apparent magnitude is 4.98. It is in reality a yellow-white supergiant of spectral type F9Ia.
γ2 Nor is a nearby star nearly a magnitude brighter.
References
- ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b c 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. Bibcode:2002yCat.2237....0D.
- ^ a b Kovtyukh, V. V.; Chekhonadskikh, F. A.; Luck, R. E.; Soubiran, C.; Yasinskaya, M. P.; Belik, S. I. (2010). "Accurate luminosities for F-G supergiants from FeII/FeI line depth ratios". Monthly Notices of the Royal Astronomical Society. 408 (3): 1568. Bibcode:2010MNRAS.408.1568K. doi:10.1111/j.1365-2966.2010.17217.x.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ Evans, D. S. (1967). "The Revision of the General Catalogue of Radial Velocities". Determination of Radial Velocities and their Applications. 30: 57. Bibcode:1967IAUS...30...57E.
- ^ Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367 (2): 521. arXiv:astro-ph/0012289. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
- ^ a b c Kovtyukh, V. V.; Gorlova, N. I.; Belik, S. I. (2012). "Accurate luminosities from the oxygen λ7771-4 Å triplet and the fundamental parameters of F-G supergiants". Monthly Notices of the Royal Astronomical Society. 423 (4): 3268–73. arXiv:1204.4115. Bibcode:2012MNRAS.423.3268K. doi:10.1111/j.1365-2966.2012.21117.x.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ 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. arXiv:1007.4883. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x.
{{cite journal}}: CS1 maint: unflagged free DOI (link)
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