SDSS J090744.99+024506.8 (SDSS 090745.0+024507) is a short-period variable star in the constellation Hydra. It has a Galactic rest-frame radial velocity of 709 km/s.
Christened by the astronomer Warren Brown as the "outcast star", it is the first discovered member of a class of objects named hypervelocity stars. It was discovered in 2005 at the MMT Observatory of the Center for Astrophysics Harvard & Smithsonian (CfA), by astronomers Warren Brown, Margaret J. Geller, Scott J. Kenyon and Michael J. Kurtz.
See also
- List of star extremes
- S5-HVS1 – another fast moving star
- US 708 – another fast moving star
References
Further reading
External links
- Press release
- First Stellar Outcast Speeding at Over 1.5 Million Miles Per Hour (PhysOrg.com)