59 Aurigae

59 Aurigae

Four visual band light curves for 59 Aurigae, adapted from Zhiping (2000)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 53m 01.41099s[2]
Declination +38° 52′ 08.9353″[2]
Apparent magnitude (V) 6.099[3]
Characteristics
Spectral type F2V[4]
U−B color index +0.14[5]
B−V color index +0.38[5]
Variable type δ Sct[6]
Astrometry
Radial velocity (Rv)1.0±4.3[7] km/s
Proper motion (μ) RA: −3.935[2] mas/yr
Dec.: 6.454[2] mas/yr
Parallax (π)6.7493 ± 0.0501 mas[2]
Distance483 ± 4 ly
(148 ± 1 pc)
Absolute magnitude (MV)0.23±0.12[8]
Details
Mass2.49±0.08[9] M☉
Radius5.73+0.29
−0.26[2] R☉
Luminosity63.87±0.65[2] L☉
Temperature6,808[8] K
Metallicity [Fe/H]0.18[8] dex
Rotational velocity (v sin i)165[9] km/s
Age700±100[8] Myr
Other designations
59 Aur, OX Aur, BD+39°1771, GC 8993, HD 50018, HIP 33041, HR 2539, SAO 59571, PPM 72197, ADS 5534, CCDM J06530+3852, WDS J06530+3852, TYC 2942-2005-1, GSC 02942-02005
Database references
SIMBADdata

59 Aurigae, often abbreviated as 59 Aur, is a star in the constellation Auriga. Its baseline apparent magnitude is 6.1,[3] meaning it can just barely be seen with the naked eye as a dim, yellow-white hued star. Based on parallax measurements, it is located about 483 light-years (148 parsecs) away from the Sun.[2]

In 1966, Ivan John Danziger and Robert John Dickens discovered that 59 Aurigae star is a variable star.[10] This object is a Delta Scuti variable, meaning it varies in luminosity due to pulsations on its surface, ranging in magnitude from 5.94 down to 6.14 with a period of 0.154412 days (3.7 h).[6] For that reason, in 1975, it was given the variable star designation OX Aurigae.[11] The star's spectrum matches that of an F-type main-sequence star and it has a spectral type of F2V.[4] It has 2.5[9] times the mass of the Sun and 5.7[2] times the Sun's radius. 59 Aurigae is thought to be around 700 million years old, and is radiating 64[2] times the Sun's luminosity from its photosphere an effective temperature of 6,808 K.[8]

References

  1. ^ Zhiping, Li (October 2000). "Complicated pulsation in the delta Scuti variable 59 Aurigae". Astronomy and Astrophysics. 362: 595–598. Bibcode:2000A&A...362..595L. Retrieved 31 October 2021.
  2. ^ a b c d e f g h i j 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.
  3. ^ a b Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27 – L30. Bibcode:2000A&A...355L..27H.
  4. ^ a b Abt, Helmut A.; Morrell, Nidia I. (1995). "The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars". Astrophysical Journal Supplement. 99: 135. Bibcode:1995ApJS...99..135A. doi:10.1086/192182.
  5. ^ a b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M.
  6. ^ a b Samus, N. N.; et al. (2017), "General Catalogue of Variable Stars", Astronomy Reports, 5.1, 61 (1): 80–88, Bibcode:2017ARep...61...80S, doi:10.1134/S1063772917010085, S2CID 125853869.
  7. ^ Gontcharov, G. A. (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. S2CID 119231169.
  8. ^ a b c d e Nordström, B.; et al. (2004). "The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ˜14 000 F and G dwarfs". Astronomy and Astrophysics. 418: 989–1019. arXiv:astro-ph/0405198. Bibcode:2004A&A...418..989N. doi:10.1051/0004-6361:20035959. S2CID 11027621.
  9. ^ a b c Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy & Astrophysics. 537: A120. arXiv:1201.2052. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691. S2CID 55586789. A120.
  10. ^ Danziger, I. J.; Dickens, R. J. (August 1966). "Observations of Variable F-Type Stars with Short Periods" (PDF). Information Bulletin on Variable Stars. 150. Bibcode:1966IBVS..150....1D. Retrieved 29 November 2024.
  11. ^ Kukarkin, B. V.; Kholopov, P. N.; Kukarkina, N. P. (November 1975). "61st Name-List of Variable Stars" (PDF). Information Bulletin on Variable Stars. 1068: 1–5. Bibcode:1975IBVS.1068....1K. Retrieved 30 November 2024.