WISE J004945.61+215120.0
WISE J004945.61+215120.0 是一颗位于仙女座光谱类型为T8.5的棕矮星[1]，距离地球大约24.1光年。[1]
| 观测资料 历元 J2000[1] | |
|---|---|
| 星座 | 仙女座 |
| 星官 | |
| 赤经 | 00h 49m 45.61s[1] |
| 赤纬 | 21° 51′ 20″[1] |
| 视星等（V） | |
| 特性 | |
| 光谱分类 | T8.5[1] |
| 天体测定 | |
| 自行 (μ) | 赤经：-483.2 mas/yr 赤纬：-46.5 mas/yr |
| 视差 (π) | 139.9 ± 2.5[2] mas |
| 距离 | 23.3 ± 0.4 ly (7.1 ± 0.1 pc) |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
参考
- ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Kirkpatrick, J. Davy; Gelino, Christopher R.; Cushing, Michael C.; Mace, Gregory N.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Eisenhardt, Peter R.; McLean, Ian S.; Mainzer, Amy K.; Burgasser, Adam J.; Tinney, Chris G.; Parker, Stephen; Salter, Graeme. Further Defining Spectral Type "Y" and Exploring the Low-mass End of the Field Brown Dwarf Mass Function. The Astrophysical Journal. 2012, 753 (2): 156. Bibcode:2012ApJ...753..156K. S2CID 119279752. arXiv:1205.2122
. doi:10.1088/0004-637X/753/2/156.
- ^ Kirkpatrick, J. Davy; Martin, Emily C.; Smart, Richard L.; Cayago, Alfred J.; Beichman, Charles A.; Marocco, Federico; et al. Preliminary Trigonometric Parallaxes of 184 Late-T and Y Dwarfs and an Analysis of the Field Substellar Mass Function into the "Planetary" Mass Regime. The Astrophysical Journal Supplement Series. February 2019, 240 (2): 69. Bibcode:2019ApJS..240...19K. arXiv:1812.01208 . doi:10.3847/1538-4365/aaf6af . 19.
