HD 188385
(Redirected from HR 7598)
| 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] |
| 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 mas[1] |
| Distance | 267 ± 9 ly (82 ± 3 pc) |
| Details | |
| Luminosity | 20[5] L☉ |
| Temperature | 8,839[5] K |
| Rotational velocity (v sin i) | 118[6] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 188385 is an A-type star in the equatorial constellation of Aquila.
References
[edit]- ^ 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. S2CID 18759600.
- ^ 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
- ^ 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
- ^ Wilson, R. E. (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication, Carnegie Institute of Washington, D.C., Bibcode:1953GCRV..C......0W
- ^ 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, S2CID 118665352
- ^ 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
External links
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