58 Ophiuchi

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58 Ophiuchi
Ophiuchus constellation map.svg
Red circle.svg

Location of 58 Ophiuchi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Ophiuchus
Right ascension 17h 43m 25.79370s[1]
Declination −21° 40′ 59.4980″[1]
Apparent magnitude (V) 4.86[2]
Characteristics
Spectral type F5V[3]
U−B color index -0.03[4]
B−V color index +0.47[4]
Astrometry
Radial velocity (Rv) +10.20[5] km/s
Proper motion (μ) RA: -97.54[1] mas/yr
Dec.: -44.56[1] mas/yr
Parallax (π) 56.65 ± 0.24[1] mas
Distance 57.6 ± 0.2 ly
(17.65 ± 0.07 pc)
Absolute magnitude (MV) 3.63[2]
Details
Mass 1.26[6] M
Radius 1.3[6] R
Luminosity 3.02[2] L
Surface gravity (log g) 4.28[7] cgs
Temperature 6,447[7] K
Metallicity [Fe/H] -0.16[2] dex
Rotational velocity (v sin i) 0[8] km/s
Other designations
BD-21°4712, FK5 1463, GC 24030, GJ 692, HIP 86736, HR 6595, HD 160915, SAO 185660
Database references
SIMBAD data

58 Ophiuchi is a class F5V[3] (yellow-white dwarf) star in the constellation Ophiuchus. Its apparent magnitude is 4.86[2] and it is approximately 57.6 light years away based on parallax.[1]

References[edit]

  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d e Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. Bibcode:2012AstL...38..331A. arXiv:1108.4971Freely accessible. doi:10.1134/S1063773712050015.  Vizier catalog entry
  3. ^ a b Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample". The Astronomical Journal. 132: 161. Bibcode:2006AJ....132..161G. arXiv:astro-ph/0603770Freely accessible. doi:10.1086/504637. 
  4. ^ a b Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M. Vizier catalog entry
  5. ^ 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. 
  6. ^ a b 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. Bibcode:1999A&A...352..555A. arXiv:astro-ph/9911002Freely accessible.  Vizier catalog entry
  7. ^ a b David, Trevor J.; Hillenbrand, Lynne A. (2015). "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal. 804 (2): 146. Bibcode:2015ApJ...804..146D. arXiv:1501.03154Freely accessible. doi:10.1088/0004-637X/804/2/146.  Vizier catalog entry
  8. ^ 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.