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HD 63584

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Star in the constellation Volans
HD 63584
Observation data
Epoch J2000      Equinox J2000
Constellation Volans
Right ascension 07 44 13.00
Declination –69° 49′ 17.80″
Apparent magnitude (V) 6.15±0.01
Characteristics
Spectral type A0 IV/V
U−B color index –0.09
B−V color index –0.06
Astrometry
Radial velocity (Rv)10.4±1.1 km/s
Proper motion (μ) RA: –41.901 mas/yr
Dec.: 9.492 mas/yr
Parallax (π)7.7630 ± 0.0578 mas
Distance420 ± 3 ly
(128.8 ± 1.0 pc)
Absolute magnitude (MV)+0.68
Details
Mass2.58±0.05 M
Radius3.09±0.37 R
Luminosity60±6 L
Surface gravity (log g)3.84±0.29 cgs
Temperature9,954±46 K
Metallicity71% solar
Metallicity –0.15 dex
Rotational velocity (v sin i)19 km/s
Age256±23 Myr
Other designations
18 G. Volantis, CD–69 475, HD 63584, HIP 37720, HR 3038, SAO 249943
Database references
SIMBADdata

HD 63584 (HR 3038) is a solitary star in the southern circumpolar constellation Volans. With an apparent magnitude of 6.15, it is barely visible to the naked eye under ideal conditions. The star is located 420 light years away based on parallax, but is drifting away with a radial velocity of 10.4 km/s.

HD 63584 has a classification of "A0 IV/V", which states it is an A0 star with the characteristics of a main sequence and subgiant star. It has 2.58 times the Sun's mass, but a radius around 3 times that of the Sun. HD 63584 radiates at 60 times the Sun's luminosity from its photosphere at an effective temperature of 9,954 K, which gives it the blueish-white hue of an A0 star. Despite the "IV" part of the classification, HD 63584 is only 256 million years old, having completed only 59.6% of its main sequence lifetime.

References

  1. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27 – L30. Bibcode:2000A&A...355L..27H. ISSN 0004-6361.
  3. ^ Houk, N.; Cowley, A. P. (1975). University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_ƒ0. Bibcode:1975mcts.book.....H.
  4. ^ Johnson, H. L.; Mitchell, R. I.; Iriarte, B.; Wisniewski, W. Z. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99–110. Bibcode:1966CoLPL...4...99J.
  5. ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. ISSN 1063-7737. S2CID 119231169.
  6. Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. ISSN 1063-7737. S2CID 119257644.
  7. ^ Zorec, J.; Royer, F. (January 2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy and Astrophysics. 537: A120. arXiv:1201.2052. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691. ISSN 0004-6361. S2CID 55586789.
  8. ^ Stassun, Keivan G. (September 2018). "The TESS Input Catalog and Candidate Target List". The Astronomical Journal. 156 (3): 102. arXiv:1706.00495. Bibcode:2018AJ....156..102S. doi:10.3847/1538-3881/aad050. ISSN 0004-6256. S2CID 73582386.
  9. Anders, F.; et al. (August 2019). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv:1904.11302. Bibcode:2019A&A...628A..94A. doi:10.1051/0004-6361/201935765. ISSN 0004-6361. S2CID 131780028.
  10. Royer, F.; Zorec, J.; Gómez, A. E. (1 February 2007). "Rotational velocities of A-type stars. III. Velocity distributions". Astronomy and Astrophysics. 463 (2): 671–682. arXiv:astro-ph/0610785. Bibcode:2007A&A...463..671R. doi:10.1051/0004-6361:20065224. ISSN 0004-6361. S2CID 18475298.
  11. "HR 3038". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 25 November 2021.
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