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43 Persei

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43 Persei
Location of 43 Persei (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Perseus
Right ascension 03h 56m 36.52069s[1]
Declination 50° 41′ 43.3646″[1]
Apparent magnitude (V) 5.28[2]
Characteristics
Spectral type F5V[3]
U−B color index +0.00[4]
B−V color index +0.41[4]
Astrometry
Radial velocity (Rv)+39.10[5] km/s
Proper motion (μ) RA: +91.99[1] mas/yr
Dec.: -128.47[1] mas/yr
Parallax (π)26.71 ± 0.87 mas[1]
Distance122 ± 4 ly
(37 ± 1 pc)
Absolute magnitude (MV)2.23[2]
Details
Mass1.54[6] M☉
Radius2.4[6] R☉
Luminosity10.81[2] L☉
Surface gravity (log g)4.12[7] cgs
Temperature6,609[7] K
Metallicity [Fe/H]0.00[2] dex
Rotational velocity (v sin i)17[8] km/s
Other designations
BD+50°860, CCDM J03566+5042AP, GC 4728, HIP 18453, HR 1210, HD 24546, SAO 24314, WDS J03566+5042AD
Database references
SIMBADdata

43 Persei is a star in the constellation Perseus. Its apparent magnitude is 5.28.[2] Located around 37.44 parsecs (122.1 ly) distant,[1] it is a white main-sequence star of spectral type F5V,[3] a star that is fusing its core hydrogen.

The primary star is a spectroscopic binary with period 30.4 days and eccentricity 0.63.[9] In addition, there are distant companions B (separation 75.5" and magnitude 10.66), C (separation 85.6" and magnitude 12.18), and D (separation 68" and magnitude 13.43).[10]

References

  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 d e 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 Abt, Helmut A. (2009). "Mk Classifications of Spectroscopic Binaries". The Astrophysical Journal Supplement Series. 180: 117. Bibcode:2009ApJS..180..117A. doi:10.1088/0067-0049/180/1/117.
  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. arXiv:1606.08053. 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. arXiv:astro-ph/9911002. Bibcode:1999A&A...352..555A. 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. arXiv:1501.03154. Bibcode:2015ApJ...804..146D. 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.
  9. ^ Eggleton, P. P.; Tokovinin, A. A. (2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x.{{cite journal}}: CS1 maint: unflagged free DOI (link) Vizier catalog entry
  10. ^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920. Vizier catalog entry
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