W43A
From Infogalactic: the planetary knowledge core
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W43A |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Aquila |
| Right ascension | 18h 47m 40.97s |
| Declination | -01° 44′ 55.4″ |
| Characteristics | |
| Spectral type | OH |
| Variable type | Asymptotic giant branch |
| Astrometry | |
| Radial velocity (Rv) | 13.8 km/s |
| Distance | 8500 ly |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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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). The star is in the early stages of becoming a planetary nebula, a process that will take several thousand years.
References
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