| Title | Leo V: A Companion of a Companion of the Milky Way Galaxy? |
| Authors | Belokurov, V.; Walker, M. G.; Evans, N. W.; Faria, D. C.; Gilmore, G.; Irwin, M. J.; Koposov, S.; Mateo, M.; Olszewski, E.; Zucker, D. B. |
| Bibcode | 2008ApJ...686L..83B Search ADS ↗ |
| Abstract | We report the discovery of a new Milky Way satellite in the constellation Leo, identified in data from the Sloan Digital Sky Survey. It lies at a distance of ~180 kpc, and is separated by lsim3° from another recent discovery, Leo IV. We present follow-up imaging from the Isaac Newton Telescope and spectroscopy from the Hectochelle fiber spectrograph at the Multiple Mirror Telescope. Leo V's heliocentric velocity is ~173.3 ± 3.1 km s-1, offset by ~40 km s-1 from that of Leo IV. A simple interpretation of the kinematic data is that both objects may lie on the same stream, although the implied orbit is only modestly eccentric (e ~ 0.2) |
| Objects | 2 Objects Search NED ↙ |
