59 Aurigae

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59 Aurigae
59AurLightCurve.png
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]
Distance 483 ± 4  ly
(148 ± 1  pc)
Absolute magnitude  (MV)0.23±0.12 [8]
Details
Mass 2.49±0.08 [9]   M☉
Radius 5.73+0.29
−0.26 [2]   R☉
Luminosity 63.87±0.65 [2]   L☉
Temperature 6,808 [8]   K
Metallicity [Fe/H]0.18 [8]   dex
Rotational velocity (v sin i)165 [9]  km/s
Age 700±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
SIMBAD data

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]

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<span class="mw-page-title-main">21 Vulpeculae</span> Star in the constellation Vulpecula

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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. 1 2 3 4 5 6 7 8 9 10 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. 1 2 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. 1 2 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. 1 2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M.
  6. 1 2 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. 1 2 3 4 5 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. 1 2 3 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.
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