W43A

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W43A
Observation data
Epoch J2000      Equinox J2000
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
Other designations
W 43 A, IRAS 18450-0148, 2MASS J18474097-0144553
Database references
SIMBAD data

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[edit]