W43A
X-ray star in the constellation Aquila
From Wikipedia, the free encyclopedia
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).[5] The star is in the early stages of becoming a planetary nebula, a process that will take several thousand years.[3]
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Aquila[1] |
| Right ascension | 18h 47m 41.14s[2] |
| Declination | −01° 45′ 11.4″[2] |
| Characteristics | |
| Spectral type | OH |
| Variable type | Asymptotic giant branch |
| Astrometry | |
| Radial velocity (Rv) | 34[3] km/s |
| Distance | 2220+380 −400[3] pc |
| Details | |
| Luminosity | 12,000[4] L☉ |
| Other designations | |
| W 43A, IRAS 18450−0148, 2MASS J18474097−0144553 | |
| Database references | |
| SIMBAD | data |
