Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
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Constellation | Reticulum |
Right ascension | 04h 14m 25.4837s[1] |
Declination | −62° 28′ 25.889″[1] |
Apparent magnitude (V) | 3.343[1] |
Characteristics | |
Spectral type | G8II-III[1] |
U−B color index | +0.63[2] |
B−V color index | +0.91[2] |
R−I color index | +0.44[2] |
Astrometry | |
Radial velocity (Rv) | 35.5 ± 0.9[1] km/s |
Proper motion (μ) | RA: 41.64[1] mas/yr Dec.: 49.72[1] mas/yr |
Parallax (π) | 19.98 ± 0.45[1] mas |
Distance | 163 ± 4 ly (50 ± 1 pc) |
Absolute magnitude (MV) | −0.15[3] |
Details | |
Mass | 3.5[4] M☉ |
Radius | 21[4] R☉ |
Luminosity | 240[4] L☉ |
Temperature | 4940[4] K |
Other designations | |
Database references | |
SIMBAD | data |
Alpha Reticuli (Alpha Ret, α Reticuli, α Ret) is a G-type bright giant star. It is the brightest star in the constellation of Reticulum and has an apparent visual magnitude of approximately 3.343.[1][4]
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
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Constellation | Reticulum |
Right ascension | 04h 14m 24.4s[6] |
Declination | −62° 27′ 39″[6] |
Apparent magnitude (V) | 12.0[6] |
Characteristics | |
Spectral type | M0V[4] |
Position (relative to α Reticuli) | |
Epoch of observation | 1998 |
Angular distance | 48.5″ [5] |
Position angle | 355° [5] |
Other designations | |
Database references | |
SIMBAD | data |
α Reticuli has a visual companion, CCDM J04144-6228B, of apparent visual magnitude 12.0 and located approximately 48 arcseconds away.[5] Since the two stars have the same proper motion, they are believed to form a binary system, with a period of revolution of at least 60,000 years.[4]
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