3 Camelopardalis

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3 Camelopardalis
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 04h 39m 54.68s
Declination +53° 04′ 46.327″
Apparent magnitude (V) 5.085
Spectral type K0III
U−B color index 0.89
B−V color index 1.07
Variable type RS CVn
NSV 1681
Radial velocity (Rv) -40.5 km/s
Proper motion (μ) RA: -7.38 mas/yr
Dec.: -15.95 mas/yr
Parallax (π) 6.58 ± 0.78 mas
Distance approx. 500 ly
(approx. 150 pc)
Temperature 3,500–5,000 K
Rotation < 17 Km/s
0,0146962 Year
Companion CCDM 04399+5305 B
BU 1043
Period (P) 0,33128 yr
Semi-major axis (a) 3.8"
Inclination (i) 297°
Other designations
HR 1467, HD 29317, BD+52°865, HIP 21727, SAO 24743, GC 5658, ADS 3359, CCDM 04399+5305.
Database references
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

3 Camelopardalis is a spectroscopic binary in the constellation Camelopardalis. It is approximately 496 light years from Earth.

The primary component, 3 Camelopardalis A, is an orange K-type giant with a mean apparent magnitude of +5.07. It is a Cepheid variable star and its brightness varies from magnitude +5.05 to +5.10. The binary star revolves around its common centre of mass once every 121 days.