Astronomy:HD 188385
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Short description: Star in the constellation Aquila
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Aquila[1] |
| Right ascension | 19h 54m 40.20001s[2] |
| Declination | +07° 08′ 25.2711″[2] |
| Apparent magnitude (V) | 6.15[3] |
| Characteristics | |
| Spectral type | A2V[4] |
| U−B color index | +0.04[3] |
| B−V color index | +0.03[3] |
| Astrometry | |
| Radial velocity (Rv) | −16.0[5] km/s |
| Proper motion (μ) | RA: +28.410[2] mas/yr Dec.: −0.093[2] mas/yr |
| Parallax (π) | 12.6651 ± 0.0321[2] mas |
| Distance | 257.5 ± 0.7 ly (79.0 ± 0.2 pc) |
| Absolute magnitude (MV) | +1.58[1] |
| Details | |
| Mass | 2.1[6] M☉ |
| Radius | 1.7[2] R☉ |
| Luminosity | 23[6] L☉ |
| Temperature | 9,037[6] K |
| Metallicity [Fe/H] | −0.50[7] dex |
| Rotation | 27.2[8] days |
| Rotational velocity (v sin i) | 118[6] km/s |
| Age | 371[6] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 188385 is an A-type main sequence star in the equatorial constellation of Aquila.
References
- ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters 38 (5): 331, doi:10.1134/S1063773712050015, Bibcode: 2012AstL...38..331A
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 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, doi:10.1086/110819, Bibcode: 1969AJ.....74..375C
- ↑ 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
- ↑ 6.0 6.1 6.2 6.3 6.4 Zorec, J.; Royer, F. (2012), "Rotational velocities of A-type stars. IV. Evolution of rotational velocities", Astronomy and Astrophysics 537: A120, doi:10.1051/0004-6361/201117691, Bibcode: 2012A&A...537A.120Z
- ↑ Verberne, Sill; Koposov, Sergey E.; Rossi, Elena Maria; Marchetti, Tommaso; Kuijken, Konrad; Penoyre, Zephyr (2024), "Radial velocities from Gaia BP/RP spectra", Astronomy and Astrophysics 684: A29, doi:10.1051/0004-6361/202348406, Bibcode: 2024A&A...684A..29V
- ↑ Oelkers, Ryan J.; Rodriguez, Joseph E.; Stassun, Keivan G.; Pepper, Joshua; Somers, Garrett; Kafka, Stella; Stevens, Daniel J.; Beatty, Thomas G. et al. (2018), "Variability Properties of Four Million Sources in the TESS Input Catalog Observed with the Kilodegree Extremely Little Telescope Survey", The Astronomical Journal 155 (1): 39, doi:10.3847/1538-3881/aa9bf4, Bibcode: 2018AJ....155...39O
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