HD 149837

HD 149837
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 16h 40m 50.48446s[1]
Declination −60° 26′ 47.2030″[1]
Apparent magnitude (V) 6.18[2]
Characteristics
Spectral type F6V[3]
Apparent magnitude (B) 6.660
Apparent magnitude (V) 6.223
Apparent magnitude (J) 5.217
Apparent magnitude (H) 4.969
Apparent magnitude (K) 4.886
B−V color index +0.17[2]
Astrometry
Radial velocity (Rv)3.9±0.2[4] km/s
Proper motion (μ) RA: +59.02[1] mas/yr
Dec.: –74.20[1] mas/yr
Parallax (π)31.92 ± 0.53 mas[1]
Distance102 ± 2 ly
(31.3 ± 0.5 pc)
Details
HD 149837 A
Mass1.25[5] M☉
Luminosity2.8[6] L☉
Surface gravity (log g)4.16[3] cgs
Temperature6,354[3] K
Metallicity [Fe/H]−0.08[3] dex
Age2.7[7] Gyr
HD 149837 B
Mass0.79[5] M☉
Other designations
CD–60° 6381, HD 149837, HIP 81657, HR 6177, SAO 253651.
Database references
SIMBADdata

HD 149837 is a binary star in the southern constellation of Ara.

  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 c d Cite error: The named reference aj132_1_161 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 aj147_4_87 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Mcdonald2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference cgssn09 was invoked but never defined (see the help page).