Gamma1 Normae

Gamma1 Normae


Location of γ1 Nor (circled)

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[1] mas
Distanceapprox. 1,500 ly
(approx. 450 pc)
Absolute magnitude (MV)-3.62[3]
Details
Radius160[5] R☉
Surface gravity (log g)2.0[6] cgs
Temperature6,068[6] K
Metallicity [Fe/H]-0.13[6] dex
Age53[7] Myr
Other designations
HR 6058, HD 146143, HIP 79790, CD−49°10474
Database references
SIMBADdata

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

  1. 1 2 3 4 5 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
  2. 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. Bibcode:2002yCat.2237....0D.
  3. 1 2 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.
  4. ↑ 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.
  5. ↑ 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/0012289Freely accessible. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
  6. 1 2 3 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:1204.4115Freely accessible. Bibcode:2012MNRAS.423.3268K. doi:10.1111/j.1365-2966.2012.21117.x.
  7. ↑ 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:1007.4883Freely accessible. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x.


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