X-ray star in the constellation Aquila From Wikipedia, the free encyclopedia
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W43A or IRAS 18450-0148 is a late-type star with an envelope of OH/IR type with a magnetically collimated jet (a protoplanetary nebula).[4] The star is in the early stages of becoming a planetary nebula, a process that will take several thousand years.[2]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 18h 47m 41.14s[1] |
| Declination | −01° 45′ 11.4″[1] |
| Characteristics | |
| Spectral type | OH |
| Variable type | Asymptotic giant branch |
| Astrometry | |
| Radial velocity (Rv) | 34[2] km/s |
| Distance | 2220+380 −400[2] pc |
| Details | |
| Luminosity | 12,000[3] L☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
