Lambda Caeli
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Caelum[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 6.24[1] |
| Characteristics | |
| Spectral type | K3/4III[3] |
| U−B Template:Engvar | +1.78[4] |
| B−V Template:Engvar | Script error: No such module "val".[1] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[5] km/s |
| Proper motion (μ) | RA: +10.950 mas/yr[2] Dec.: +11.040 mas/yr[2] |
| Parallax (π) | 4.4581±0.0265 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | −0.52[1] |
| Details | |
| Mass | Script error: No such module "val".[2] Template:Solar mass |
| Radius | Script error: No such module "val".[2] Template:Solar radius |
| Luminosity | Script error: No such module "val".[2] Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val".[2] cgs |
| Temperature | Script error: No such module "val".[2] K |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[6] | |
| Database references | |
| SIMBAD | data |
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Lambda Caeli is a star in the southern constellation of Caelum. Its name is a Bayer designation that is Latinized from λ Caeli, and abbreviated Lambda Cae or λ Cae;[7] it is also known by its designations HD 30202 and HR 1518.[6] This star is a challenge to view with the naked eye, having an apparent visual magnitude of 6.24.[1] Based on parallax measurements, Lambda Caeli is known to be around Script error: No such module "convert". distant from the Sun, but it is drifting closer with a radial velocity of −4 km/s.[5]
This object is an aging K-type giant star with a stellar classification of K3/4III.[3] Having exhausted the supply of hydrogen at its core, it has expanded and cooled; now having 31 times the radius of the Sun. With 4.2 times the mass of the Sun, it is radiating 409 times the Sun's luminosity from its swollen photosphere at an effective temperature of 4,118 K.[2]
References
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