HD 185018

Last updated
HD 185018
Observation data
Epoch J2000       Equinox J2000
Constellation Aquila [1]
Right ascension 19h 36m 52.45500s [2]
Declination +11° 16′ 23.5086″ [2]
Apparent magnitude  (V)5.978 [3]
Characteristics
Spectral type G0Ib [4]
B−V color index +0.881±0.015 [1]
Astrometry
Radial velocity (Rv)+0.50±0.79 [2] km/s
Proper motion (μ)RA: 7.929 [2] mas/yr
Dec.: 2.719 [2] mas/yr
Parallax (π)3.2148±0.0705  mas [2]
Distance 1,010 ± 20  ly
(311 ± 7  pc)
Absolute magnitude  (MV)−1.81 [1]
Details
Mass 5.5 [4]   M☉
Radius 25.17+0.37
−0.72 [2]   R☉
Luminosity 395±11 [2]   L☉
Surface gravity (log g)2.06 [4]   cgs
Temperature 5,131+75
−38 [2]   K
Metallicity [Fe/H]−0.16 [5]   dex
Rotational velocity (v sin i)10 [4]  km/s
Other designations
BD+10°3984, GC 27120, HD 185018, HIP 96481, HR 7456, SAO 105045, PPM 136605, WDS J19369+1116A [6]
Database references
SIMBAD data

HD 185018 is supergiant [4] star in the equatorial constellation of Aquila.

References

  1. 1 2 3 Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv: 1108.4971 , Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015, S2CID   119257644.
  2. 1 2 3 4 5 6 7 8 9 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics . 616. A1. arXiv: 1804.09365 . Bibcode: 2018A&A...616A...1G . doi: 10.1051/0004-6361/201833051 . Gaia DR2 record for this source at VizieR.
  3. ↑ Haggkvist, L.; Oja, T. (1970), "Results of BV photometry 1969-70 (Uppsala refractor)", Private Communication (Private Communication), Bibcode:1970Priv.........0H Private Communication.
  4. 1 2 3 4 5 Lyubimkov, Leonid S.; et al. (November 2012), "Lithium abundance in atmospheres of F- and G-type supergiants and bright giants", Monthly Notices of the Royal Astronomical Society, 427 (1): 11–26, arXiv: 1212.6057 , Bibcode:2012MNRAS.427...11L, doi: 10.1111/j.1365-2966.2012.21617.x , S2CID   119191810
  5. ↑ Lyubimkov, L. S.; et al. (October 2019), "Oxygen abundance and the N/C versus N/O relation for AFG supergiants and bright giants", Monthly Notices of the Royal Astronomical Society, 489 (2): 1533–1542, arXiv: 1907.04634 , Bibcode:2019MNRAS.489.1533L, doi: 10.1093/mnras/stz2285
  6. ↑ "HD 185018". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021-10-14.
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