GCIRS 7
| Observation data ICRS )
| |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 17h 45m 39.987s[1] |
| Declination | −29° 00′ 22.24″[1] |
| Characteristics | |
| Evolutionary stage | Red supergiant |
| Spectral type | M1I[2] |
| Apparent magnitude (J) | 14.197±0.137[1] |
| Apparent magnitude (H) | 9.260±0.118[1] |
| Apparent magnitude (K) | 6.503±0.017[1] |
| J−H color index | 4.937 |
| J−K color index | 7.694 |
| Details | |
Myr | |
| Other designations | |
| Database references | |
| SIMBAD | data |
GCIRS 7 is a
largest stars currently discovered, with a size about 960 solar radii.[2] If placed in the Solar System, its photosphere would nearly engulf the orbit of Jupiter.[2]
See also
References
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