56 Sagittarii

56 Sagittarii
Observation data
Epoch J2000      Equinox J2000
Constellation Sagittarius
Right ascension 19h 46m 21.73912s[1]
Declination −19° 45′ 40.0132″[1]
Apparent magnitude (V) 4.87[2]
Characteristics
Spectral type K1III[3]
U−B color index +0.96[4]
B−V color index +1.06[4]
Astrometry
Radial velocity (Rv)+22.07[5] km/s
Proper motion (μ) RA: -129.40[1] mas/yr
Dec.: -90.55[1] mas/yr
Parallax (π)15.71 ± 0.23[1] mas
Distance208 ± 3 ly
(63.7 ± 0.9 pc)
Absolute magnitude (MV)0.85[2]
Details
Mass1.77[6] M☉
Radius11[6] R☉
Luminosity58.97[2] L☉
Surface gravity (log g)2.58[7] cgs
Temperature4,750[8] K
Metallicity [Fe/H]-0.07[7] dex
Rotational velocity (v sin i)< 1.1[9] km/s
Other designations
f Sagittarii, BD-20°5698, FK5 1517, GC 27349, GSC 06320-02845, HIP 97290, HR 7515, HD 186648, SAO 162964
Database references
SIMBADdata

56 Sagittarii (56 Sgr) is a class K1III[3] (orange giant) star in the constellation Sagittarius. Its apparent magnitude is 4.87[2] and it is approximately 208 light years away based on parallax.[1]

References

  1. 1 2 3 4 5 6 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. Vizier catalog entry
  2. 1 2 3 4 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
  3. 1 2 Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
  4. 1 2 Mermilliod, J. C. (2006). "VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991)". VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2168. Bibcode:2006yCat.2168....0M. Vizier catalog entry
  5. ↑ Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (2008). "Rotational and Radial Velocities for a Sample of 761 Hipparcos Giants and the Role of Binarity". The Astronomical Journal. 135: 209. Bibcode:2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.
  6. 1 2 Allende Prieto, C.; Lambert, D. L. (1999). "Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures". Astronomy and Astrophysics. 352: 555. arXiv:astro-ph/9911002. Bibcode:1999A&A...352..555A. Vizier catalog entry
  7. 1 2 Wu, Yue; Singh, H. P.; Prugniel, P.; Gupta, R.; Koleva, M. (2010). "Coudé-feed stellar spectral library – atmospheric parameters". Astronomy & Astrophysics. 525: A71. arXiv:1009.1491. Bibcode:2011A&A...525A..71W. doi:10.1051/0004-6361/201015014.
  8. ↑ Gontcharov, G. A. (2009). "Red giant clump in the Tycho-2 catalogue". Astronomy Letters. 34 (11): 785. arXiv:1607.00619. Bibcode:2008AstL...34..785G. doi:10.1134/S1063773708110078. Vizier catalog entry
  9. ↑ De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars". Astronomy & Astrophysics. 561: A126. arXiv:1312.3474. Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762. Vizier catalog entry
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