HD 40873

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HD 40873
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 04m 29.108s
Declination +51° 34′ 24.221″
Apparent magnitude (V) 6.398
Characteristics
Spectral type A7III
U−B color index 0.16
B−V color index 0.18
Variable type Variable star
Astrometry
Radial velocity (Rv) 19.6 km/s
Proper motion (μ) RA: 2.3 mas/yr
Dec.: -42.82 mas/yr
Parallax (π) 8.28 ± 0.79 mas
Distance 390 ± 40 ly
(120 ± 10 pc)
Absolute magnitude (MV) 6.572
Details
Mass 18 M
Radius R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Rotation 99 km/s
0,0098 Year
Other designations
BD+51° 1146, NSV 2804, HD 40873, HIP 28765, FK5 2463, HR 2123, SAO 25548.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD data

HD 40873 is variable star and multiple star.

References[edit]


Components[edit]

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
ADS 4633 B (CCDM J06045+5135BC) 06h 04m 30.061s +51° 35' 02.63 9.5 A5 Simbad