HD 165634

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Star
HD 165634
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Sagittarius
Right ascension 18 h 08 m 4.98 s
declination −28 ° 27 ′ 25.6 ″
Apparent brightness 4.56 mag
Typing
B − V color index 0.95 
U − B color index 0.75 
R − I index 0.53 
Spectral class G7 IIIb *
Astrometry
Radial velocity −4.9 km / s
parallax 9.62 ± 0.26  mas
distance 340  ly
105  pc
Visual absolute brightness M vis −0.53 mag
Proper movement 
Rec. Share: +25.43  mas / a
Dec. portion: −31.18  mas / a
Physical Properties
Dimensions 3  M ☉
radius 17  R ☉
Luminosity

170  L ☉

Effective temperature 5043  K
Metallicity [Fe / H] −0.05
Other names
and catalog entries
Cordoba Survey CD −28 ° 6304
Bright Star Catalog HR 6766 [1]
Henry Draper Catalog HD 165634 [2]
Hipparcos catalog HIP 88839 [3]
SAO catalog SAO 186328 [4]
Tycho catalog TYC 6854-4372-1 [5]Template: Infobox star / maintenance / specification of the TYC catalog
2MASS catalog 2MASS J18080497-2827255 [6]
Other names FK5 3439

HD 165634 is a star about 340  light years away . He is a yellow giant and is also one of the so-called weak G-band stars .

Web links

Individual evidence

  1. ↑ a b c d e f g h i Simbad
  2. ^ E. Anderson, Ch. Francis: XHIP: An extended hipparcos compilation . In: Astronomy Letters . 38, No. 5, 2012, p. 331. arxiv : 1108.4971 . bibcode : 2012AstL ... 38..331A . doi : 10.1134 / S1063773712050015 . Vizier catalog entry
  3. ↑ a b c d e Sabine Reffert, Christoph Bergmann, Andreas Quirrenbach, Trifon Trifonov, Andreas Artists: Precise radial velocities of giant stars . In: Astronomy & Astrophysics . 574, 2015, p. A116. arxiv : 1412.4634 . bibcode : 2015A & A ... 574A.116R . doi : 10.1051 / 0004-6361 / 201322360 . Vizier catalog entry