WISE J2000+3629
WISE J2000+3629 (全寫為 WISE J200050.19+362950.1) 是一顆位於天鵝座附近的棕矮星,溫度少於700K(恆星光譜為T8)。預計距離地球約19.4光年[2],令它成為已知最接近地球的棕矮星之一。它於2014年透過廣域紅外線巡天探測衛星發現。
觀測資料 曆元 J2000 | |
---|---|
星座 | 天鵝座 |
星官 | |
赤經 | 20h 00m 50.198s |
赤緯 | 36° 29′ 50.18″ |
視星等(V) | |
天体测定 | |
视差 (π) | 133.4 ± 2.2[1] mas |
距离 | 24.4 ± 0.4 ly (7.5 ± 0.1 pc) |
特性 | |
光谱分类 | T8[2] |
其他命名 | |
參考資料庫 | |
SIMBAD | 资料 |
參考資料
- ^ Kirkpatrick, J. Davy; Gelino, Christopher R.; Faherty, Jacqueline K.; Meisner, Aaron M.; Caselden, Dan; Schneider, Adam C.; Marocco, Federico; Cayago, Alfred J.; Smart, R. L.; Eisenhardt, Peter R.; Kuchner, Marc J. The Field Substellar Mass Function Based on the Full-sky 20 pc Census of 525 L, T, and y Dwarfs. The Astrophysical Journal Supplement Series. 2021, 253 (1): 7. Bibcode:2021ApJS..253....7K. S2CID 227126954. arXiv:2011.11616 . doi:10.3847/1538-4365/abd107.
- ^ 2.0 2.1 2.2 Cushing, Michael C.; Kirkpatrick, J. Davy; Gelino, Christopher R.; Mace, Gregory N.; Skrutskie, Michael F.; Gould, Andrew. Three New Cool Brown Dwarfs Discovered with Thewide-Field Infrared Survey Explorer(Wise) and an Improved Spectrum of the Y0 Dwarf Wise J041022.71+150248.4. The Astronomical Journal. 10 April 2014, 147 (5): 113. Bibcode:2014AJ....147..113C. S2CID 5858277. arXiv:1402.1378 . doi:10.1088/0004-6256/147/5/113.