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WISEPA J182831.08+265037.8

WISEPA J182831.08+265037.8

WISE拍摄的红外照片。中间绿色圈内的即是WISE 1828+2650。
觀測資料
曆元 MJD 55467.61[1]
星座 天琴座
星官
赤經 18h 28m 31.10s[1]
赤緯 26° 50′ 37.79″[1]
視星等(V) 23.57 ± 0.35 (filter J)[2]
特性
光谱分类>Y0[1]
天体测定
自行 (μ) 赤经:1078[1] mas/yr
赤纬:118[1] mas/yr
詳細資料
溫度≤300[2] K
其他命名
WISEPA J182831.08+265037.8[1], WISEP J1828+2650[2], WISE J1828+2650[1]

WISE 1828+2650,全称为WISEPA J182831.08+265037.8,是广域红外线巡天探测卫星(WISE)于2011年在天琴座西南角发现的一颗棕矮星。它和WISE 0410+1502WISE 1405+5534WISE 1541-2250WISE 1738+2732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。

WISE 1828+2650的表面温度低于300K,是目前已知温度最低的棕矮星[2]。它的恒星光谱>Y0型也是目前最新被发现的光谱分型[2],被认为是Y型棕矮星的原始星成员[2]。WISE 1828+2650利用光度测量的距离大约是<9.4秒差距(30.7光年[1]

参考文献

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  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 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 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)

外部链接

[编辑]


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WISEPA J182831.08+265037.8
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