HD 37646

HD 37646
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 41m 20.97707s[1]
Declination +29° 29′ 14.6958″[1]
Apparent magnitude (V) 6.43[2] (6.38/7.16)[3]
Characteristics
Spectral type B8IV + B9.5V[3]
U−B color index −0.39[2]
B−V color index −0.11[2]
Astrometry
Radial velocity (Rv)18.00±4.3[4] km/s
Proper motion (μ) RA: +15.94[1] mas/yr
Dec.: −26.95[1] mas/yr
Parallax (π)5.37 ± 0.81 mas[1]
Distanceapprox. 610 ly
(approx. 190 pc)
Details
HD 37646 A
Luminosity129[5] L☉
Temperature11,733[5] K
Rotational velocity (v sin i)130[6] km/s
Other designations
BD+29° 953, HD 37646, HIP 26781, HR 1945, SAO 77393.
Database references
SIMBADdata

HD 37646 is a double star in the northern constellation of Auriga. The pair have an angular separation of 26.005″.[3]

  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 aj139_1105 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference mnras389_2_869 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 Mcdonald_et_al_2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference apj573_1_359 was invoked but never defined (see the help page).