HD 157662

HD 157662
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 27m 12.46093s[1]
Declination −50° 37′ 49.3379″[1]
Apparent magnitude (V) 5.905[2]
Characteristics
Spectral type B9II[3]
U−B color index +0.055[4]
B−V color index +0.105[4]
Astrometry
Radial velocity (Rv)+11.0[5] km/s
Proper motion (μ) RA: +0.19[1] mas/yr
Dec.: −2.53[1] mas/yr
Parallax (π)1.10 ± 0.38 mas[1]
Distanceapprox. 3,000 ly
(approx. 900 pc)
Details
Mass7.87±1.68[2] M☉
Luminosity8,214[2] L☉
Temperature10,650[2] K
Other designations
CD-50° 11283, HD 157662, HIP 85409, HR 6478, SAO 244755.
Database references
SIMBADdata

HD 157662 is a bright giant star in the southern constellation of Ara. It has a magnitude 10.91 companion at an angular separation of 76.4″ along a position angle of 159°.[6]

  1. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference an331_4_349 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference houk1978 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference MERMILLIOD was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference gcrv1953 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference WDSC2014 was invoked but never defined (see the help page).