HD 151566

HD 151566
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 16h 50m 36.07960s[1]
Declination −50° 02′ 41.8040″[1]
Apparent magnitude (V) 6.45[2] (7.17 + 7.33)[3]
Characteristics
Spectral type A5III + F7III[4]
U−B color index +0.07[2]
B−V color index +0.33[2]
Astrometry
Radial velocity (Rv)24.6±1.6[5] km/s
Proper motion (μ) RA: -7.97[1] mas/yr
Dec.: -2.84[1] mas/yr
Parallax (π)6.19 ± 1.22 mas[1]
Distanceapprox. 500 ly
(approx. 160 pc)
Details
Luminosity51.5[6] L☉
Temperature7,000[6] K
Other designations
CD-49° 10998, HD 151566, HIP 82418, HR 6236.
Database references
SIMBADdata

HD 151566 is double star in the southern constellation of Ara. As of 1991, the pair had an angular separation of 3.10″ along a position angle of 42°.[3]

  1. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference mnrassa34_7 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference WDSC2014 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Hoffleit1991 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Gontcharov was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Mcdonald2012 was invoked but never defined (see the help page).