Gliese 504 b
| Discovery | |
|---|---|
| Discovered by | Kuzuhara et al. |
| Discovery site | Subaru Telescope |
| Discovery date | 2013 |
| Direct imaging | |
| Designations | |
| GJ 504 b, 59 Virginis b, e Virginis b, HD 115383 b, HIP 64792 b | |
| Orbital characteristics | |
| 31–129 AU | |
| Eccentricity | 0.01–0.62 |
| 155–1332 y | |
| Inclination | 111–171 |
| 8–173 | |
| 2005.07–2825.03 | |
| 4–176 | |
| Star | 59 Virginis (GJ 504) |
| Physical characteristics | |
| 1.08+0.04 −0.03 RJ | |
| Mass | 1.0+1.8 −0.3 to 17 MJ |
| 3.45+0.35 −0.25 cgs | |
| Temperature | 512±10 K (238.9 ± 10.0 °C) |
Spectral type | T8 |
Gliese 504 b (or 59 Virginis b) is a jovian planet or a brown dwarf orbiting the solar analog 59 Virginis (Gliese 504), discovered by direct imaging using HiCIAO instrument and AO188 adaptive optics system on the Subaru Telescope of Mauna Kea Observatory, Hawaii by Kuzuhara et al.