W49B
| Emission nebula | |
|---|---|
| W49B
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| Fog W49B | |
| AladinLite | |
| Constellation | Eagle |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 19 h 11 m 09 s |
| declination | + 09 ° 06 ′ 24 ″ |
| Appearance | |
| Ionizing source | |
| Physical data
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| distance | 26000 ly (8000 pc ) |
| history | |
| Catalog names | |
W49B (also SNR G043.3-00.2 or 3C 398 ) is a supernova remnant that arose from a Type Ib or Type Ic supernova. If this supernova could have been observed on Earth , around 1000 AD. Possibly a gamma-ray flash and a black hole arose from the supernova .
W49B is barrel-shaped and is approximately 8,000 parsecs (26,000 light years ) from Earth. In the infrared, ring-shaped structures are visible that surround the "barrel" and have a diameter of about 25 light years. In addition, forbidden lines of highly ionized nickel and iron were found in the X-ray area .
Individual evidence
- ↑ "The Galactic Supernova Remnant W49B Likely Originates from a Jet-driven, Core-collapse Explosion" by Laura A. Lopez ( Astrophysical Journal , 2013) doi : 10.1088 / 0004-637X / 764/1/50
- ↑ W49B: Did An Explosion Create Our Galaxy's Youngest Black Hole? February 13, 2013
- ^ "Baby black hole is swaddled in a supernova remnant" by Flora Graham, New Scientist , 2013