HD 34790

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HD 34790
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 21m 12.6873s
Declination +29° 34 11.583
Apparent magnitude (V)5.66
Characteristics
Spectral typeA1Vs
U−B color index0.13
B−V color index0.06
Astrometry
Radial velocity (Rv)-18.7 km/s
Proper motion (μ) RA: -1.54 mas/yr
Dec.: -0.19 mas/yr
Parallax (π)11.72 ± 0.87 mas
Distance280 ± 20 ly
(85 ± 6 pc)
Absolute magnitude (MV)5.717
Details
Mass3.1 M
Radius2.1 R
Luminosity40 L
Temperature7,500–10,000 K
Rotation53 Km/s
Orbit
CompanionHD 34790 B
Period (P)0.005891 yr
Semi-major axis (a)0.0005"
Other designations
BD+29° 869, SAO 77124, HIP 25001, HR 1752.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 34790 is spectroscopic binary.

References


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