Nebulosa Del Crabba
Le nebulosa del Crabba (alsi cognoscite como M1, NGC 1952, Taurus A e Taurus X-1) es un resto de supernova resultante del explosion de un supernova (SN 1054), observate le 4 de julio 1054 e descripte per astronomos chinese e japonese.
Situate a un distantia de approximativemente 6300 annos de lumine (1930 pc) del Terra, in le constellation de Taurus, le nebulosa ha un diametro de 6 annos de lumine (1.84 pc) e su velocitate de expansion es de 1500 km/s. Le nebulosa era observate per John Bevis in 1731.
| Nebulosa del Crabba (M1) | |
|---|---|
 | |
| Nebulosa del Crabba | |
| Datos para a observación | |
| Epocha= X2000.0 | |
| Typo de objecto | Resto de supernova |
| Ascension recte | 5° 34' 31.97" |
| Declination | +22° 00' 52.1" |
| Distantia | 6,300 annos de lumine (1,930 pc) |
| Magnitude apparente | +8.4 |
| Constellation | Taurus |
| Characteristicas physic | |
| Radio | 3 Annos de lumine |
| Magnitude absolute | -3.2 |
| Altere designationes | M1, NGC 1952 |
Le centro del nebulosa contine un pulsar, appellate PSR0531+121, que rota a 30 revolutiones por secunda, emittente alsi pulsos de radiation que va in frequentia de undas radio a rayos gamma. Le discoperta del nebulosa era le prime evidentia que indica que le explosiones de supernovas produce pulsares.
In le hemispherio del sud etiam up ha un Nebulosa del Crabba del Sud.
Ligamines externe
Referentias
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