HD 153791

HD 153791
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 03m 41.68344s[1]
Declination −47° 09′ 38.0565″[1]
Apparent magnitude (V) 6.07[2]
Characteristics
Spectral type A5V[3]
B−V color index +0.07[4]
Astrometry
Radial velocity (Rv)3.8±0.5[2] km/s
Proper motion (μ) RA: +0.04[1] mas/yr
Dec.: +5.36[1] mas/yr
Parallax (π)6.61 ± 0.44 mas[1]
Distance490 ± 30 ly
(150 ± 10 pc)
Details
Luminosity66.6[5] L
Temperature8,346[5] K
Rotational velocity (v sin i)70[6] km/s
Other designations
CD-46° 11191, HD 153791, HIP 83481, HR 6323, SAO 227588.
Database references
SIMBADdata

HD 153791 is a double star in the southern constellation of Ara. The primary is a sixth magnitude A-type main sequence star.[2] It has a magnitude 12.3 companion at an angular separation of 6.0 along a position angle of 249°, as of 1999.[7]

  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 Cite error: The named reference Gontcharov was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference aa373_625 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference mnrassa27_11 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Mcdonald_et_al_2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference aaa463_2_671 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference WDSC2014 was invoked but never defined (see the help page).