HD 157753

HD 157753
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 27m 57.60196s[1]
Declination −52° 17′ 49.8161″[1]
Apparent magnitude (V) 5.75[2]
Characteristics
Spectral type K2III[3]
B−V color index +1.17[2]
Astrometry
Radial velocity (Rv)−8.70[4] km/s
Proper motion (μ) RA: −14.50[1] mas/yr
Dec.: −58.43[1] mas/yr
Parallax (π)9.12 ± 0.53 mas[1]
Distance360 ± 20 ly
(110 ± 6 pc)
Details
Luminosity81[5] L☉
Temperature4,564[5] K
Other designations
FK5 3386, HD 157753, HIP 85470, HR 6483, SAO 244763.
Database references
SIMBADdata

HD 157753 is giant star in the southern constellation of Ara. It may be an astrometric binary,[6] and it has a faint, magnitude 13 companion at an angular separation of 31.5″ along a position angle of 356° (as of 2000).[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 Cite error: The named reference mnrassa27_11 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. ^ Cite error: The named reference Gontcharov was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Mcdonald2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Eggleton2008 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).