RX J0822-4300 is a neutron star in the southern constellation of Forage , formed about 3.7 thousand years ago as a result of a supernova explosion . RX J0822-4300 has the highest speed relative to the stars surrounding it, among all the stars for which this parameter is currently defined. The speed at which the star moves away from the supernova explosion point is estimated at 1300 km / s.
| HD 142091 | |||
|---|---|---|---|
| Star | |||
 Superfast neutron star RX J0822-4300 in space | |||
| Observational data ( Age J2000.0 ) | |||
| Right ascension | |||
| Declination | |||
| Distance | |||
| Visible magnitude ( V ) | ~ 24 | ||
| Constellation | Stern | ||
| Astrometry | |||
| Radial velocity ( R v ) | |||
| physical characteristics | |||
| Age | about 3.7 thousand years | ||
| Metallicity | [M / H] = | ||
| Rotation | - | ||
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| Database Information | |||
| SIMBAD | |||