53 Persei

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53 Persei
Perseus constellation map.svg
Red circle.svg
Location of 53 Persei (circled)
Observation data
Epoch J2000       Equinox J2000
Constellation Perseus
Right ascension 04h 21m 33.16651s [1]
Declination +46° 29′ 55.9591″ [1]
Apparent magnitude  (V)4.80 [2]
Characteristics
Spectral type B4IV [3]
U−B color index −0.52 [4]
B−V color index −0.03 [4]
Variable type SPB [5]
Astrometry
Radial velocity (Rv)+7.30 [6] km/s
Proper motion (μ)RA: +21.482 [1] mas/yr
Dec.: −34.832 [1] mas/yr
Parallax (π)6.8517±0.2700  mas [1]
Distance 480 ± 20  ly
(146 ± 6  pc)
Absolute magnitude  (MV)−1.42 [7]
Details
Mass 5.9±0.1 [8]   M☉
Radius 3.98±0.49 [7]   R☉
Luminosity 779.8+213.3
−167.5 [7]   L☉
Surface gravity (log g)3.93±0.09 [7]   cgs
Temperature 16,720 [9]   K
Rotational velocity (v sin i)15 [10]  km/s
Age 50.1±9.3 [8]   Myr
Other designations
d Per, 53 Per, V469 Per, NSV 1560, BD+46°872, FK5 2319, GC 5256, HD 27396, HIP 20354, HR 1350, SAO 39483 [11]
Database references
SIMBAD data

53 Persei is a single [12] variable star in the northern constellation of Perseus. It has the Bayer designation d Persei, while 53 Persei is the Flamsteed designation. The star is visible to the naked eye as a faint, blue-white hued point of light with an apparent visual magnitude of 4.80. [2] It is located approximately 480  light years away from the Sun, as determined from parallax, and is drifting further away with a radial velocity of +7.3 km/s. [6]

A visual band light curve for V469 Persei, plotted from data published by Huang et al. (1994) V469PerLightCurve.png
A visual band light curve for V469 Persei, plotted from data published by Huang et al. (1994)

This star has a stellar classification of B4IV, [3] and was the prototype of a class of variable stars known as slowly pulsating B stars. [14] It was one of the first mid-B type variable stars in the northern hemisphere to be studied. [5] The star undergoes non-radial pulsations with a primary period of 2.36 days. Observation of the star with the BRITE satellite revealed eight separate frequencies in the star's light curve. [5]

53 Persei is around 50 [8]  million years old with a projected rotational velocity of 15 km/s. [10] It has six [8] times the mass of the Sun and four [7] times the Sun's radius. The star is radiating 780 [7] times the luminosity of the Sun from its photosphere at an effective temperature of 16,720 K. [9]

References

  1. 1 2 3 4 5 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. 1 2 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 Lesh, Janet Rountree (1968). "The Kinematics of the Gould Belt: An Expanding Group?". Astrophysical Journal Supplement. 17: 371. Bibcode:1968ApJS...17..371L. doi: 10.1086/190179 .
  4. 1 2 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. 1 2 3 Niemczura, E.; et al. (September 2017). Zwintz, Konnstanze; Poretti, Ennio (eds.). Photometric and spectroscopic variability of 53 Per. Second BRITE-Constellation Science Conference: Small satellites—big science, held 22–26 August 2016 in Innsbruck, Austria. Vol. 5. Warsaw, Poland: Polish Astronomical Society. pp. 217–218. Bibcode:2017sbcs.conf..217N.
  6. 1 2 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.
  7. 1 2 3 4 5 6 Briquet, M.; et al. (April 2007). "On the co-existence of chemically peculiar Bp stars, slowly pulsating B stars and constant B stars in the same part of the HR diagram". Astronomy and Astrophysics. 466 (1): 269–276. arXiv: astro-ph/0702111 . Bibcode:2007A&A...466..269B. doi:10.1051/0004-6361:20066940. S2CID   16304587.
  8. 1 2 3 4 Tetzlaff, N.; et al. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410 (1): 190–200. arXiv: 1007.4883 . Bibcode:2011MNRAS.410..190T. doi: 10.1111/j.1365-2966.2010.17434.x . S2CID   118629873. Vizier catalog entry
  9. 1 2 Zorec, J.; et al. (2009). "Fundamental parameters of B supergiants from the BCD system". Astronomy and Astrophysics. 501 (1): 297–320. arXiv: 0903.5134 . Bibcode:2009A&A...501..297Z. doi:10.1051/0004-6361/200811147. S2CID   14969137.
  10. 1 2 Abt, Helmut A.; et al. (2002). "Rotational Velocities of B Stars". The Astrophysical Journal. 573 (1): 359–365. Bibcode:2002ApJ...573..359A. doi: 10.1086/340590 .
  11. ↑ "53 Per". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2019-07-18.
  12. ↑ Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv: 0806.2878 . Bibcode:2008MNRAS.389..869E. doi: 10.1111/j.1365-2966.2008.13596.x . S2CID   14878976.
  13. ↑ Huang, L.; Guo, Z.; Hao, J.; Percy, J. R.; Fieldus, M. S.; Fried, R.; Pavlovski, K.; Bozic, H.; Ruzic, Z.; Paparo, M.; Vetoe, B. (August 1994). "A Multisite UBV Photometric Campaign on 53 Persei in 1991 January". The Astrophysical Journal. 431: 850–869. Bibcode:1994ApJ...431..850H. doi: 10.1086/174536 .
  14. ↑ Le Contel, J. M.; et al. (1989). "Spectral variations in 53 Per". Acta Astronomica. 39 (3): 227–234. Bibcode:1989AcA....39..227L.
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