2MASS J09153413 + 0422045
| 2MASS J09153413 + 0422045 | |
|---|---|
|
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|
| Constellation | Water snake |
| Right ascension | 09 h 15 m 34.1 s |
| declination | + 4 ° 22 ′ 05 ″ |
| Brightness (J-band) | common: (14.548 ± 0.028) mag |
| Spectral class | common: L7 |
| Astrometry | |
| distance | about 15 pc |
| Proper movement : | |
| Share of rec | (−88 ± 18) mas / a |
| Dec.-share | (+40 ± 21) mas / a |
| Double system | |
| Angular distance | 0 ", 73 |
| Position angle | 205 ° |
| Catalog names | |
| 2MUCD 20335 | |
2MASS J09153413 + 0422045 is a double system about 15 parsecs away in the constellation Hydra with a spectral class of L7.
Sources and individual references
- Reid et al .: A Search for Binary Systems among the Nearest L Dwarfs ; in: The Astronomical Journal, Vol. 132, Issue 2, pp. 891ff. (2006), bibcode : 2006AJ .... 132..891R
- ↑ Casewell, SL; Jameson, RF; Burleigh, MR: Proper motions of field L and T dwarfs - II ; in: Monthly Notices of the Royal Astronomical Society, Vol. 390, Issue 4, pp. 1517ff. (2008), bibcode : 2008MNRAS.390.1517C