Astronomy:HD 188385

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Short description: Star in the constellation Aquila
HD 188385
Observation data
Equinox J2000.0]] (ICRS)
Constellation Aquila
Right ascension  19h 54m 40.20001s[1]
Declination +07° 08′ 25.2647″[1]
Apparent magnitude (V) 6.15[2]
Characteristics
Spectral type A2V[3]
U−B color index +0.04[2]
B−V color index +0.03[2]
Astrometry
Radial velocity (Rv)−16.0[4] km/s
Proper motion (μ) RA: +28.60[1] mas/yr
Dec.: −0.56[1] mas/yr
Parallax (π)12.23 ± 0.42[1] mas
Distance267 ± 9 ly
(82 ± 3 pc)
Details
Luminosity20[5] L
Temperature8,839[5] K
Rotational velocity (v sin i)118[6] km/s
Other designations
BD+06° 4351, HD 188385, HIP 97970, HR 7598, SAO 125221.
Database references
SIMBADdata

HD 188385 is an A-type star in the equatorial constellation of Aquila.

References

  1. Jump up to: 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. doi:10.1051/0004-6361:20078357. Bibcode2007A&A...474..653V. 
  2. Jump up to: 2.0 2.1 2.2 Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series 34: 1–49, Bibcode1978A&AS...34....1N 
  3. Cowley, A. et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal 74: 375–406, doi:10.1086/110819, Bibcode1969AJ.....74..375C 
  4. Wilson, R. E. (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication (Carnegie Institute of Washington, D.C.), Bibcode1953GCRV..C......0W 
  5. Jump up to: 5.0 5.1 McDonald, I. et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, doi:10.1111/j.1365-2966.2012.21873.x, Bibcode2012MNRAS.427..343M 
  6. 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, doi:10.1051/0004-6361:20065224, Bibcode2007A&A...463..671R 

External links