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WISE 0535-7500

WISE J053516.80-750024.9
观测资料
历元 J2000.0[1]
星座 山案座
星官
赤经 05h 35m 16.8s[1]
赤纬 -75° 00′ 24.9″[1]
视星等(V)
特性
视星等 (J (MKO-NIR过滤系统))>21.1[1]
视星等 (H (MKO-NIR过滤系统))>21.6[1]
天体测定
视差 (π)170 ± 44[1][2] mas
距离approx. 19 ly
(approx. 6 pc)
其他命名
WISE J053516.80-750024.9,[1] WISE 0535-7500[1]

WISE J053516.80-750024.9(编号缩写为WISE 0535-7500)是一颗光谱分类为≥Y1的棕矮星[1]位于山案座中,[注 1] 距离地球大约19光年[1]

发现

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WISE 0535-7500是于2012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。2012年,J·大卫·柯克帕特里克等人在天文物理期刊上发表文章,宣布通过WISE发现了七颗光谱分类为Y型的棕矮星,其中一颗就是WISE 0535-7500。[1]

距离

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马什等人已于2012年用三角视差法对WISE 0535-7500进行了测距,结果为0.170 ± 0.044角秒,相当于5.9+2.1
−1.2
pc(19.2+6.7
−3.9
ly)的距离。[1][2]

WISE 0535-7500的估计距离

来源 视差/mas 距离/pc 距离/ly 参考文献
马什等人(2012年) 170 ± 44 5.9+2.1
−1.2
19.2+6.7
−3.9
[1][2]

非三角视差法估测的距离用斜体表示,最好的估计用粗体表示。

参见

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以下是J·大卫·柯克帕特里克等人2012年宣布发现的其他六颗棕矮星:[1]

注释

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  1. ^ 这个星座已知最近的恒星/棕矮星

参考文献

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  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 Davy Kirkpatrick, J.; Gelino, Christopher R.; Cushing, Michael C.; Mace, Gregory N.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Eisenhardt, Peter R.; McLean, Ian S.; Mainzer, Amanda K. FURTHER DEFINING SPECTRAL TYPE “Y” AND EXPLORING THE LOW-MASS END OF THE FIELD BROWN DWARF MASS FUNCTION. The Astrophysical Journal. 2012-07-10, 753 (2) [2022-08-19]. Bibcode:2012ApJ...753..156K. ISSN 0004-637X. arXiv:1205.2122可免费查阅. doi:10.1088/0004-637X/753/2/156. (原始内容存档于2022-08-19). 
  2. ^ 2.0 2.1 2.2 Marsh et al, in prep.
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WISE 0535-7500
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