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W43A

The dying star is in its earliest stage of becoming a Planetary Nebula, a process that will take several thousand years. Since about 1960 it emits two jets, bundled by magnetic fields. These contain much gaseous water which generates masers.
Possibly the star has a companion in a distance of 70 AU.

Constellation: Aquila
Distance: 8500 light-years

Back: List of Special Stars part 2

03/03/2006

     W43A
Graphic: NRAO/AUI/NSF
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