HD 153221

HD 153221
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 00m 26.95941s[1]
Declination −48° 38′ 51.9319″[1]
Apparent magnitude (V) 6.00[2] (6.34 + 7.69)[3]
Characteristics
Spectral type G8/K0 III + G[4]
B−V color index +0.88[2]
Astrometry
Radial velocity (Rv)−28.6[5] km/s
Proper motion (μ) RA: −17.93[1] mas/yr
Dec.: −80.49[1] mas/yr
Parallax (π)9.36 ± 0.75 mas[1]
Distance350 ± 30 ly
(107 ± 9 pc)
Details
Luminosity49.5[6] L☉
Temperature4,993[6] K
Rotational velocity (v sin i)4.4[7] km/s
Other designations
CD-48° 11360, HD 153221, HIP 83216, HR 6300, SAO 227542.
Database references
SIMBADdata

HD 153221 is a double star in the southern constellation of Ara. As of 2012, the pair have an angular separation of 1.10″ along a position angle of 172°.[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 Cite error: The named reference aass34_1 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 houk1978 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference rgcrv 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).
  7. ^ Cite error: The named reference aaa493_3_1099 was invoked but never defined (see the help page).