2MASS J00361617+1821104
| 观测资料 历元 J2000 | |
|---|---|
| 星座 | 双鱼座 |
| 星官 | |
| 赤经 | 00h 36m 16.17s |
| 赤纬 | 18° 21′ 10.4″ |
| 视星等（V） | |
| 特性 | |
| 光谱分类 | L3.5 |
| 视星等 (J) | 12.466 ± 0.027 |
| 视星等 (H) | 11.588 ± 0.029 |
| 视星等 (K) | 11.058 ± 0.021 |
| 天体测定 | |
| 径向速度 (Rv) | 19.02 km/s |
| 自行 (μ) | 赤经：901.558 mas/yr 赤纬：124.019 mas/yr |
| 视差 (π) | 114.4167 ± 0.2088[1] mas |
| 距离 | 28.51 ± 0.05 ly (8.74 ± 0.02 pc) |
| 详细资料 | |
| 温度 | 1300–2000 K |
| 自转 | 3.08+0.05 − h[2] |
| 其他命名 | |
2MASS J00361617+1821104;2MASSW J0036159+182110, LSPM J0036+1821, Gaia DR2 2794735086363871360
| |
| 参考数据库 | |
| SIMBAD | 资料 |
2MASS J00361617+1821104 (简写为 2MASS 0036+1821) 是一颗位于双鱼座的棕矮星，距离地球28.4光年[3]。
2MASS 0036+1821的光谱类型为L3.5，表面温度为1300-2000K。与其他L 型棕矮星一样，它的光谱主要是金属氢化物和碱金属。由于自行运动，它的位置每年移动0.9071角秒。
2MASS 0036+1821的表面完全被云层覆盖，尽管云层看起来很薄（小于十个光学深度）[2]，由于异常快速的旋转，它在光球层级拥有超过1000 G的强磁场[4]，并以其无线电发射而闻名[5]。
参见
外部链接
- Entry at DwarfArchives.org 互联网档案馆的存档，存档日期2019-06-10.
- Discovery paper （页面存档备份，存于互联网档案馆）
- Simbad （页面存档备份，存于互联网档案馆）
参考资料
- ^ Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365
. doi:10.1051/0004-6361/201833051. VizieR中此天体在盖亚望远镜第二批数据发布的记录
- ^ 2.0 2.1 Sanghavi, Suniti; Shporer, Avi, Photopolarimetric Characteristics of Brown Dwarfs. I. Uniform Cloud Decks, The Astrophysical Journal, 2018, 866 (1): 28, Bibcode:2018ApJ...866...28S, S2CID 55544773, arXiv:1705.05041 , doi:10.3847/1538-4357/aadf94
- ^ Riedel, Adric R.; Ditomasso, Victoria; Rice, Emily L.; Alam, Munazza K.; Abrahams, Ellianna; Crook, James; Cruz, Kelle L.; Faherty, Jacqueline K., Radial Velocities, Space Motions, and Nearby Young Moving Group Memberships of Eleven Candidate Young Brown Dwarfs, The Astronomical Journal, 2019, 157 (6): 247, Bibcode:2019AJ....157..247R, S2CID 129945848, arXiv:1904.10579 , doi:10.3847/1538-3881/ab1915
- ^ Guenther, E. W.; Zapatero-Osorio, María Rosa; Mehner, A.; Martín, Eduardo L., Short-term spectroscopic monitoring of two cool dwarfs with strong magnetic fields, Astronomy & Astrophysics, 2009, 498 (1): 281–287, Bibcode:2009A&A...498..281G, S2CID 18611224, arXiv:0903.2340 , doi:10.1051/0004-6361/200810216
- ^ Zic, Andrew; Lynch, Christene; Murphy, Tara; Kaplan, David L.; Chandra, Poonam, Low-frequency GMRT observations of ultra-cool dwarfs, Monthly Notices of the Royal Astronomical Society, February 2019, 483 (1): 614–623, arXiv:1811.09294 , doi:10.1093/mnras/sty3163
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