Kappa Serpentis
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 48m 44.37676s [1] |
| Declination | 18° 08′ 29.6342″ [1] |
| Apparent magnitude (V) | 4.09 [2] |
| Characteristics | |
| Spectral type | M0.5III [3] |
| U−B color index | +1.95 [2] |
| B−V color index | +1.62 [2] |
| Astrometry | |
| Radial velocity (Rv) | -38.48[4] km/s |
| Proper motion (μ) | RA: -51.88[1] mas/yr Dec.: -88.10[1] mas/yr |
| Parallax (π) | 8.54 ± 0.23[1] mas |
| Distance | 380 ± 10 ly (117 ± 3 pc) |
| Absolute magnitude (MV) | -1.25 [5] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Kappa Serpentis (κ Ser, κ Serpentis) is a star in the constellation Serpens, in its head (Serpens Caput). It is a red M-type giant[3] with an apparent magnitude of +4.09.[2] It is approximately 382 light years from Earth.[1]
References
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- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
- ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Absolute magnitude calculated as
, where 
is the star's absolute magnitude, 
is the star's apparent magnitude, and 
is the star's measured parallax in arcseconds.
