WISEPA J182831.08+265037.8

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WISEPA J182831.08+265037.8

WISE 1828+2650.jpg
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+1502,WISE 1405+5534,WISE 1541-2250,WISE 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




  1. ^ 1.01.11.21.31.41.51.61.71.8 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 [astro-ph.SR].  引文使用过时参数coauthors (帮助); 不支持的参数使用了arXiv (帮助)


  2. ^ 2.02.12.22.32.42.5 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 [astro-ph.SR].  引文使用过时参数coauthors (帮助); 不支持的参数使用了arXiv (帮助)



外部链接



  • Choi, Charles Q. Y dwarf star? Because they're cool, that's Y!. Space.com. August 26, 2011 [August 31, 2011]. 

  • NASA news release

  • Science news

  • Infrared image of WISE 1828+2650 at Astronomy Picture of the Day, 2011 August 30

  • Solstation.com (New Objects within 20 light-years)

天球赤道座標:星图18h 28m 31.10s,+26°50′37.79″






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