Simeis 147
| Simeis 147 | |
|---|---|
 |
|
| Simeis 147, recorded using Hα and RGB filters | |
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
|
| Constellation | Bull , carter |
| Right ascension | 05 h 39 m |
| declination | + 27 ° 50 ′ 0 ″ |
| Angular expansion | 3 ° |
| Physical data | |
| distance | (3000 ± 350) ly |
| diameter | approx. 140 ly |
| Supernova | |
| Compact remnant | Pulsar : PSR J0538 + 2817 |
| Age | about 40,000 years |
| Other names | |
| Simeis 147 • Nh2-240 | |
Simeis 147 (also Simeiz 147 or Spaghettinebel , S147 for short ; further designation: Sh2-240 ) is a galactic supernova remnant in the constellations Taurus and Carter .
S147 has an apparent expansion of about 3 degrees; this corresponds to an extension of approximately 140 light years at a distance of an estimated 3000 light years. Its age is given as around 40,000 years.
Web links
- Spektrum.de : Amateur recordings [1] [2]
Individual evidence
- ↑ C.-Y. Ng, Roger W. Romani, Walter F. Brisken, Shami Chatterjee, Michael Kramer: The Origin and Motion of PSR J0538 + 2817 in S147 , 2006
- ↑ Spektrum.de : Reader's picture from February 19, 2014
- ↑ Galaxymap.org - Sharpless Catalog ( Memento of the original from September 30, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (accessed 15 May 2009)
- ↑ a b Skyfactory.org - Simeis147 info (accessed 15 May 2009)
- ^ Astronomy Picture of the Day : Simeis 147: Supernova Remnant
