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WISE 1405+5534

天球赤道座标星图 14h 05m 18.27s, +55° 34′ 21.22″
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WISEPC J140518.40+553421.4
观测资料
历元 MJD 55545.11[1]
星座 大熊座
星官
赤经 14h 05m 18.27s[1]
赤纬 55° 34′ 21.22″[1]
视星等(V) 20.20 ± 0.13 (filter J)[2]
特性
光谱分类Y0 (pec?) [1]
天体测定
自行 (μ) 赤经:-2691[1] mas/yr
赤纬:95[1] mas/yr
详细资料
质量30 木星质量[2] M
半径0.86 木星半径[2] R
表面重力 (log g)5.0[2]
温度350[2] K
其他命名
WISEPC J140518.40+553421.4[1], WISEPC J1405+5534[2], WISE J1405+5534[1]

WISE 1405+5534,全称为WISEPC J140518.40+553421.4,是广域红外线巡天探测卫星(WISE)于2011年在大熊座发现的一颗Y0型棕矮星[1]。它和WISE 0410+1502WISE 1541-2250WISE 1738+2732WISE 1828+2650以及WISE 2056+1459一起被公布,这六颗恒星是人类发现的第一批的Y型棕矮星。

利用光度测量出WISE 1405+5534的距离为8.6秒差距(28光年[1],而利用光谱分光测量的距离为3.8秒差距(12.4光年)[2]。它的表面温度大约为350K[2]

参考文献

[编辑]
  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 Kirkpatrick, J. Davy; Cushing; Gelino; Griffith; Skrutskie; Marsh; Wright; Mainzer; Eisenhardt; McLean; Thompson; Bauer; Benford; Bridge; Lake; Petty; Stanford; Tsai; Bailey; Beichman; Bochanski; Burgasser; Capak; Cruz; Hinz; Kartaltepe; Knox; Manohar; Masters; Morales-Calderónn; Prato; Rodigas; Salvato; Schurr; Scoville; Simcoe; Stapelfeldt; Stern; Stock; Vacca. The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE). 2011. arXiv:1108.4677v1可免费查阅 [astro-ph.SR].  cite arXiv模板填写了不支持的参数 (帮助)
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Cushing, Michael C.; Kirkpatrick; Gelino; Griffith; Skrutskie; Mainzer; Marsh; Beichman; Burgasser; Prato; Simcoe; Marley; Saumon; Freedman; Eisenhardt; Wright. THE DISCOVERY OF Y DWARFS USING DATA FROM THE WIDE-FIELD INFRARED SURVEY EXPLORER (WISE). 2011. arXiv:1108.4678v1可免费查阅 [astro-ph.SR].  cite arXiv模板填写了不支持的参数 (帮助)


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