HD 182475

Last updated
HD 182475
HD182475LightCurve.png
A visual band light curve for HD 182475, adapted from Poretti et al. (2003) [1]
Observation data
Epoch J2000       Equinox J2000
Constellation Aquila
Right ascension 19h 25m 01.53339s [2]
Declination −04° 53′ 04.3738″ [2]
Apparent magnitude  (V)6.51 [3]
Characteristics
Spectral type A9V [4]
U−B color index +0.09 [3]
B−V color index +0.33 [3]
Variable type δ Sct [5]
Astrometry
Proper motion (μ)RA: 36.65 [2]   mas/yr
Dec.: 2.67 [2]   mas/yr
Parallax (π)9.25 ± 1.32  mas [2]
Distance approx. 350  ly
(approx. 110  pc)
Details
Luminosity 23 [6]   L☉
Temperature 6,907 [6]   K
Rotational velocity (v sin i)141 [4]  km/s
Other designations
V1691 Aql, BD-05° 4964, HD 180555, HIP 95453, HR 7366, SAO 143373.
Database references
SIMBAD data

HD 182475 is a Delta Scuti variable [5] star in the equatorial constellation of Aquila.

Related Research Articles

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HD 34790 is a double-lined spectroscopic binary star system in the northern constellation of Auriga. It has a combined apparent magnitude of 5.66, which means it is faintly visible to the naked eye. Based upon observations by the Hipparcos satellite, it is located around 289 light years away. It has a combined stellar classification of A1Vs, matching that of an A-type main sequence star, and shines with 35 times the luminosity of the Sun.

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HD 134064 is a binary star system in the northern constellation of Boötes. The pair are separated by a distance of around 8,000 AU.

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Rho Ceti , Latinized from ρ Ceti, is the Bayer designation for a star in the equatorial constellation of Cetus. It is faintly visible to the naked eye with an apparent visual magnitude of 4.885. The distance to this star, based upon an annual parallax shift of 7.15 mas, is around 460 light years.

References

  1. ↑ Poretti, E.; Garrido, R.; Amado, P. J.; Uytterhoeven, K.; Handler, G.; Alonso, R.; Martín, S.; Aerts, C.; Catala, C.; Goupil, M. J.; Michel, E.; Mantegazza, L.; Mathias, P.; Pretorius, M. L.; Belmonte, J. A.; Claret, A.; Rodríguez, E.; Suarez, J. C.; Vuthela, F. F.; Weiss, W. W.; Ballereau, D.; Bouret, C.; Charpinet, S.; Hua, T.; Lüftinger, T.; Nesvacil, N.; Veer-Menneret, C. Van't (April 2003). "Preparing the COROT space mission: Incidence and characterisation of pulsation in the lower instability strip". Astronomy & Astrophysics. 406: 203–211. arXiv: astro-ph/0304422 . Bibcode:2003A&A...406..203P. doi: 10.1051/0004-6361:20030711 . Retrieved 23 October 2021.
  2. 1 2 3 4 5 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.
  3. 1 2 3 Cousins, A. W. J. (1964), "Photometric Data for Stars in the Equatorial Zone (Seventh List)", Monthly Notes of the Astronomical Society of Southern Africa, 23: 175, Bibcode:1964MNSSA..23..175C
  4. 1 2 Royer, F.; Zorec, J.; Gómez, A. E. (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, S2CID   18475298
  5. 1 2 Rodríguez, E.; López-González, M. J.; López de Coca, P. (June 2000), "A revised catalogue of δ Sct stars", Astronomy and Astrophysics Supplement, 144 (3): 469–474, Bibcode:2000A&AS..144..469R, doi: 10.1051/aas:2000221 , hdl: 10261/226673
  6. 1 2 McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv: 1208.2037 , Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID   118665352
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