11 Camelopardalis

11 Camelopardalis
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 05h 06m 08.4527s
Declination +58° 58′ 20.54″
Apparent magnitude (V) 5.03
Characteristics
Spectral type B2.5Ve
U−B color index -0.69
B−V color index -0.08
Variable type Be star
Astrometry
Radial velocity (Rv)-11.0 km/s
Proper motion (μ) RA: -6.16 mas/yr
Dec.: -7.67 mas/yr
Parallax (π)4.86 ± 0.75 mas
Distanceapprox. 700 ly
(approx. 210 pc)
Absolute magnitude (MV)-1.35
Details
Mass18 M☉
Radius7 R☉
Luminosity20,000 L☉
Temperature10,000–30,000 K
Rotation131 Km/s
0,00741665 Year
Orbit
CompanionCCDM 05062+5900 B
STF4013B
Semi-major axis (a)8"
Inclination (i)180.5°
Orbit
CompanionCCDM 05062+5900 C
STF4013C
Semi-major axis (a)173.4"
Inclination (i)18°
Orbit
CompanionCCDM 05062+5900 D
STF4013D
Semi-major axis (a)16.2"
Inclination (i)9°
Other designations
BV Camelopardalis, HR 1622, HD 32343, BD+58°804, HIP 23734, SAO 25001, GC 6193, BDS 2480, CCDM 05062+5900.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

11 Camelopardalis or BV Camelopardalis is a star system in the constellation Camelopardalis. It forms a double star with 12 Camelopardalis, which is only 3 arcminutes away.

11 Camelopardalis is a blue-white B-type main sequence dwarf with a mean apparent magnitude of +5.22. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies by 0.07 magnitudes with a period of a few hours. It is approximately 671 light years from Earth.

Components

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
BDS 2480 B (V* BM Cam) 05h 06m 12.1373s +59° 01' 16.823 6.089 K0III Simbad
BDS 2480 C (TYC 3746-1395-1) 05h 06m 19.7356s +59° 04' 04.176 10.1 Simbad

References