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 |
Distance | approx. 700 ly (approx. 210 pc) |
Absolute magnitude (MV) | -1.35 |
Details | |
Mass | 18 M☉ |
Radius | 7 R☉ |
Luminosity | 20,000 L☉ |
Temperature | 10,000–30,000 K |
Rotation | 131 Km/s 0,00741665 Year |
Orbit | |
Companion | CCDM 05062+5900 B STF4013B |
Semi-major axis (a) | 8" |
Inclination (i) | 180.5° |
Orbit | |
Companion | CCDM 05062+5900 C STF4013C |
Semi-major axis (a) | 173.4" |
Inclination (i) | 18° |
Orbit | |
Companion | CCDM 05062+5900 D STF4013D |
Semi-major axis (a) | 16.2" |
Inclination (i) | 9° |
Other designations | |
Database references | |
SIMBAD | data |
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
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