HD 188385

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HD 188385
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 54m 40.20001s[1]
Declination +07° 08′ 25.2647″[1]
Apparent magnitude (V) 6.15[2]
Spectral type A2V[3]
U−B color index +0.04[2]
B−V color index +0.03[2]
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)
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

HD 188385 is a star in the equatorial constellation of Aquila.


  1. ^ a b c d e 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.
  2. ^ a b c Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&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, Bibcode:1969AJ.....74..375C, doi:10.1086/110819
  4. ^ Wilson, R. E. (1953), General Catalogue of Stellar Radial Velocities, Carnegie Institute of Washington, D.C., Bibcode:1953GCRV..C......0W
  5. ^ a b 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
  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, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224

External links[edit]