HD 53811

Last updated
HD 53811
Puppis constellation map.svg
Red circle.svg
Location of HD 53811 (circled)
Observation data
Epoch J2000       Equinox J2000
Constellation Puppis
Right ascension 07h 03m 53.60846s [1]
Declination −49° 35 02.1009 [1]
Apparent magnitude  (V)4.92 [2]
Characteristics
Spectral type A4IV [3]
U−B color index +0.12 [4]
B−V color index +0.14 [5]
Astrometry
Radial velocity (Rv)+26.80 [6]  km/s
Proper motion (μ)RA: -52.78 [1]   mas/yr
Dec.: +140.27 [1]   mas/yr
Parallax (π)16.51 ± 0.42  mas [1]
Distance 198 ± 5  ly
(61 ± 2  pc)
Absolute magnitude  (MV)1.01 [2]
Details
Mass 2.02 [7]   M
Radius 2.6 [7]   R
Luminosity 33.04 [2]   L
Surface gravity (log g)3.95 [8]   cgs
Temperature 8,396 [8]   K
Rotational velocity (v sin i)59 [3]  km/s
Other designations
H Puppis, CD-49°2587, GC  9348, GSC  08126-02550, HIP  34059, HR  2672, HD  53811, SAO  218427
Database references
SIMBAD data

HD 53811 is a class A4IV [3] (white subgiant) star in the constellation Puppis. Its apparent magnitude is 4.92 [2] and it is approximately 198 light years away based on parallax. [1]

Related Research Articles

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References

  1. 1 2 3 4 5 6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv: 0708.1752 . Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID   18759600. 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. S2CID   119257644. Vizier catalog entry
  3. 1 2 3 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. 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. Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42 (2): 443. Bibcode:2014JAVSO..42..443M. Vizier catalog entry
  6. 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.
  7. 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: 555–562. arXiv: astro-ph/9911002 . Bibcode:1999A&A...352..555A. Vizier catalog entry
  8. 1 2 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. S2CID   33401607. Vizier catalog entry