HD 213240
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Grus |
| Right ascension | 22h 31m 00.3672s |
| Declination | −49° 25′ 59.773″ |
| Apparent magnitude (V) | 6.80 |
| Absolute magnitude (V) | 3.75 |
| Distance | 132.91 ly (40.75 pc) |
| Spectral type | G0/G1V |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 213240 is a yellow main sequence star located approximately 133 light years (41 parsecs) away in the constellation Grus. The magnitudes were m=6.80 and M=3.75. It is a metal-rich star and more evolved than our sun. Its age has been calculated as being anywhere from 2.7 to 4.6 billion years.[1] A red dwarf companion star was detected in 2005 with a projected separation of 3898 AU.[1]
Planetary system
The Geneva extrasolar planet search team discovered a planet orbiting this star in 2001.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >4.72 ± 0.40 MJ | 1.92 ± 0.11 | 882.7 ± 7.6 | 0.421 ± 0.015 | — | — |
See also
References
External links
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Coordinates: 
22h 31m 00.3672s, −49° 25′ 59.773″
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