Simeis 147
| Simeis 147 | |
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The supernova remnant nebula from Simeis 147 or the Spaghetti Nebula.
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| Observation data (Epoch J2000) | |
| Supernova type | Unknown |
| Remnant type | Mixed-morphology |
| Host galaxy | Milky way |
| Constellation | Taurus |
| Right ascension | 05h 39m 06s |
| Declination | +27° 59′ 55″ |
| Galactic coordinates | Unknown |
| Discovery date | 1952[1] |
| Peak magnitude (V) | 6.5 |
| Distance | 3,000 light-years (0.92 kpc) |
| Physical characteristics | |
| Progenitor | Unknown |
| Progenitor type | Unknown |
| Colour (B-V) | Unknown |
Simeis 147, also known as the Spaghetti Nebula, SNR G180.0-01.7 or Sharpless 2-240, is a supernova remnant (SNR) in the Milky Way, straddling the border between the constellations Auriga and Taurus. Discovered in 1952 at the Crimean Astrophysical Observatory using a 25-inch Schmidt-Cassegrain telescope, it is difficult to observe due to its extremely low brightness.
The nebulous area is fairly large with an almost spherical shell and filamentary structure.[2] The remnant has an apparent diameter of approximately 3 degrees, an estimated distance of approximately 3000 (±350) light-years, and an age of approximately 40,000 years.[3]
It is believed that after its stellar explosion a rapidly spinning neutron star known as pulsar PSR J0538+2817 was left behind in the nebula core, emitting a strong radio signal.[4]
References
External links
Coordinates: 
05h 41m 00s, +28° 06′ 13″
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