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WISEPA J164715.59+563208.2

WISEPA J164715.59+563208.2
观测资料
历元 MJD 55592.29[1]
星座 天龙座
星官
赤经 16h 47m 15.59s[1]
赤纬 56° 32′ 08.44″[1]
视星等(V)
特性
光谱分类L9 pec (red)[1]
视星等 (J (2MASS过滤系统))16.590 ± 0.062[1]
视星等 (H (2MASS过滤系统))15.336 ± 0.060[1]
视星等 (KS (2MASS过滤系统))14.483 ± 0.072[1]
天体测定
自行 (μ) 赤经:-166 ± 9[1] mas/yr
赤纬:242 ± 8[1] mas/yr
视差 (π)116 ± 29[1] mas
距离approx. 28 ly
(approx. 9 pc)
其他命名
WISEPA J164715.59+563208.2,[1] WISE J1647+5632,[1] WISE 1647+5632[1]

WISEPA J164715.59+563208.2(编号可缩写为WISE 1647+5632WISE J1647+5632)是一颗光谱分类为L9 pec(红)的棕矮星,位于天龙座中,距离地球大约28光年[1]

发现

WISE 1647+5632是于2011年由J·大卫·柯克帕特里克(J. Davy Kirkpatrick)等人从广域红外线巡天探测卫星(WISE)收集的数据中发现的。该卫星是美国宇航局发射的40厘米波长红外线太空望远镜,环绕地球飞行,它的任务从2009年12月直到2011年2月。2011年,柯克帕特里克等人在天文期刊增刊上发表论文,当时他们宣布发现了98个WISE观测到的棕矮星,其中恒星的光谱分类有M、L、T和Y,其中一颗就是WISE 1647+5632。[1][注 1]

距离

三角视差法对WISE 1506+7027测距的结果已于2011年发表,为0.116 ± 0.029 角秒,相当于8.6+2.9
−1.7
pc的距离,或者28.1+9.4
−5.6
ly[1]

WISE 1647+5632的估计距离

来源 视差/mas 距离/pc 距离/ly 参考文献
柯克帕特里克等人(2011年),表6 ~20.2 ~65.9 [1]
柯克帕特里克等人(2011年),表7 116 ± 29 8.6+2.9
−1.7
28.1+9.4
−5.6
[1]

非三角视差法测量的距离用斜体表示,最好的估计用粗体表示。

注释

  1. ^ 这98个棕矮星系统是利用WISE的数据发现的棕矮星的其中一部分,其中六项发现之前已发表,其他发现也在之后发表。

参考文献

  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 Davy Kirkpatrick, J.; Cushing, Michael C.; Gelino, Christopher R.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Mainzer, A.; Eisenhardt, Peter R.; McLean, Ian S.; Thompson, Maggie A. THE FIRST HUNDRED BROWN DWARFS DISCOVERED BY THE WIDE-FIELD INFRARED SURVEY EXPLORER ( WISE ). The Astrophysical Journal Supplement Series. 2011-12-01, 197 (2) [2022-08-19]. Bibcode:2011ApJS..197...19K. ISSN 0067-0049. arXiv:1108.4677v1可免费查阅. doi:10.1088/0067-0049/197/2/19. (原始内容存档于2021-03-24). 

Template:Star systems within 25 – 30 light-years

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WISEPA J164715.59+563208.2
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