BE Camelopardalis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 4.39[3] (4.35 - 4.48)[4] |
| Characteristics | |
| Evolutionary stage | asymptotic giant branch[5] |
| Spectral type | M2 II[6] |
| B−V Template:Engvar | Script error: No such module "val".[3] |
| Variable type | Lc[4] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[3] km/s |
| Proper motion (μ) | RA: +0.319 mas/yr[2] Dec.: Script error: No such module "val". mas/yr[2] |
| Parallax (π) | 3.3288±0.1874 mas[2] |
| Distance | Script error: No such module "val". ly (Script error: No such module "val". pc)[7] |
| Absolute magnitude (MV) | −2.51[3] |
| Details | |
| Mass | 2.93[8] Template:Solar mass |
| Radius | 250[9] Template:Solar radius |
| Luminosity | 10,600[9] Template:Solar luminosity |
| Temperature | 3,660[9] K |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[10] | |
| Database references | |
| SIMBAD | data |
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BE Camelopardalis is a solitary[11] variable star in the northern circumpolar constellation of Camelopardalis. It is visible to the naked eye as a faint, red-hued point of light with an apparent visual magnitude that fluctuates around 4.39.[3] The star is located roughly 960 light years away.[7]
This object is an M-type bright giant with a stellar classification of M2 II,[6] and is currently on the asymptotic giant branch. In 1928, Joel Stebbins and Charles Morse Huffer announced that the star, then called HR 1155, is a variable star, based on observations made at Washburn Observatory.[12] It was given its variable star designation, BE Camelopardalis, in 1977.[13] It is classified as an irregular variable of subtype Lc and its brightness varies from magnitude +4.35 down to +4.48.[4] Having exhausted the supply of hydrogen at its core, the star has expanded to around 250[9] times the Sun's radius. It has 2.9[8] times the Sun's mass and is radiating over 10,000 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 3,660 K.[9]
References
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- ↑ a b c d Template:Cite Gaia DR3
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- ↑ a b Script error: No such module "Citation/CS1".
- ↑ a b Script error: No such module "Citation/CS1". Data about this star can be seen here.
- ↑ a b Script error: No such module "Citation/CS1".
- ↑ a b c d e Script error: No such module "Citation/CS1".
- ↑ Template:Cite simbad
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
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