43 Sagittarii

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

43 Sagittarii
Sagittarius constellation map.svg
Red circle.svg
Location of 43 Sagittarii (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Sagittarius
Right ascension 19h 17m 38.07940s[1]
Declination −18° 57′ 10.4680″[1]
Apparent magnitude (V) 4.88[2]
Spectral type G8II-III[3]
U−B color index +0.81[4]
B−V color index +1.02[4]
Radial velocity (Rv)+15.20[5] km/s
Proper motion (μ) RA: -9.96[1] mas/yr
Dec.: -10.60[1] mas/yr
Parallax (π)6.77 ± 0.27[1] mas
Distance480 ± 20 ly
(148 ± 6 pc)
Absolute magnitude (MV)-0.96[2]
Mass3.30[6] M
Radius23.99[6] R
Luminosity277[6] L
Surface gravity (log g)2.22[6] cgs
Temperature4,813[6] K
Metallicity [Fe/H]-0.18[6] dex
Rotational velocity (v sin i)4.2[7] km/s
Other designations
d Sagittarii, BD-19°5379, FK5 722, GC 26589, GSC 06304-00334, HIP 94820, HR 7304, HD 180540, SAO 162413
Database references

43 Sagittarii (43 Sgr) is a class G8II-III[3] (yellow bright giant) star in the constellation Sagittarius. Its apparent magnitude is 4.88[2] and it is approximately 482 light years away based on parallax.[1]


  1. ^ a b c d e f 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. ^ a b c 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. ^ a b 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. ^ a b 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. ^ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN 54001336.
  6. ^ a b c d e f Reffert, Sabine; Bergmann, Christoph; Quirrenbach, Andreas; Trifonov, Trifon; Künstler, Andreas (2015). "Precise radial velocities of giant stars". Astronomy & Astrophysics. 574: A116. arXiv:1412.4634. Bibcode:2015A&A...574A.116R. doi:10.1051/0004-6361/201322360. Vizier catalog entry
  7. ^ 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