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单词 Puppis A
释义

Puppis A

中文百科

船尾座A

插入的钱卓三色合成影像是船尾座A超新星残骸的一部分(广角的蓝色影向来自罗赛德),显示星云被超新星爆炸的激震波撕裂开来。罗赛德的影像是88弧分的直径,钱卓的影像是8弧分,位置在船尾座的赤经 08h 23m 08.16s 赤纬 -42º 41' 41.40
Aufnahme des Wide-Field Infrared Survey Explorer

船尾座APuppis A)是一颗直径大约10光年的超新星残骸 (SNR),这颗超新星大约出现在3,700年前。虽然他与船帆座超新星残骸重叠在一起,但距离远了4倍。

在这个超新星残骸内发现一颗被命名为宇宙砲弹的超高速中子星,移动的速度大约是每小时300万英里。

英语百科

Puppis A 船尾座A

The Chandra three-color image (inset) is a region of the supernova remnant Puppis A (wide-angle view from ROSAT in blue) which reveals a cloud being torn apart by a shock wave produced in a supernova explosion. ROSAT image is 88 arcmin across; Chandra image 8 arcmin across. RA 08h 23m 08.16s Dec -42° 41′ 41.40″ in Puppis. Observation date: September 4, 2005. Color code: Energy (Red 0.4-0.7 keV; Green 0.7-1.2 keV; Blue 1.2-10 keV). Instrument: ACIS. Credit: Chandra: NASA/CXC/GSFC/U.Hwang et al.; ROSAT: NASA/GSFC/S.Snowden et al.

Puppis A is a supernova remnant (SNR) about 100 lightyears in diameter and roughly 6500–7000 lightyears distant. Its apparent angular diameter is about 1 degree. The light of the supernova explosion reached Earth approximately 3700 years ago. Although it overlaps the Vela Supernova Remnant, it is four times more distant.

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更新时间:2025/6/19 10:48:52