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WISE 0350-5658

WISE J035000.32-565830.2
观测资料
历元 J2000.0[1]
星座 网罟座
星官
赤经 03h 50m 00.32s[1]
赤纬 -56° 58′ 30.2″[1]
视星等(V)
特性
光谱分类Y1[1]
视星等 (J (MKO-NIR过滤系统))>22.8[1]
视星等 (H (MKO-NIR过滤系统))>21.5[1]
天体测定
视差 (π)238 ± 38[1][2] mas
距离approx. 14 ly
(approx. 4.2 pc)
其他命名
WISE J035000.32-565830.2,[1] WISE 0350-5658[1]

WISE J035000.32-565830.2(编号可以缩写为WISE 0350-5658)是一颗光谱分类为Y1的棕矮星[1]位于网罟座中,[注 1] 距离地球大约19.4光年[1]

发现

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WISE 0350-5658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 0350-5658。[1]

距离

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WISE 0350-5658是已知最近的棕矮星之一,据马什等人2012年估计,它的视差约为0.238 ± 0.038 角秒,这与4.2+0.8
−0.6
pc (13.7+2.6
−1.9
ly)的距离相符合。[1][2]

WISE 0350-5658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) 238 ± 38 4.2+0.8
−0.6
13.7+2.6
−1.9
[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

参考资料

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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 1.14 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 0350-5658
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