File:G19 xray.tif
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English: G1.9+0.3 is the remains of the most recent supernova, in Earth's time frame, known to have occurred in the Milky Way. If gas and dust had not heavily obscured it, the explosion would have been visible from Earth just over a century ago. A new long Chandra observation - equivalent to over 11 days of time - reveals new details about the explosion.
Fast Facts for G1.9+0.3: Credit X-ray (NASA/CXC/NCSU/K.Borkowski et al.) Release Date June 26, 2013 Scale Image is 8 arcmin across (About 60 light years) Category Supernovas & Supernova Remnants Coordinates (J2000) RA 17h 48m 45s - Dec -27° 10' 00" Constellation Sagittarius Observation Date 15 pointings between Feb 2007 and Jul 2011 Observation Time 362 hours (15 days 2 hours) Obs. ID 6708, 8521, 10111, 10112, 10928, 10930, 12689-95, 13407, 13509 Instrument ACIS References Borkowski, K, et al, 2013, ApJ Letters (Submitted); arXiv:1305.7399 Color Code X-ray (Red, Green, Blue). |
日期 | |
来源 | http://chandra.harvard.edu/photo/2013/g19/ http://chandra.harvard.edu/photo/2013/g19/g19_xray.tif |
作者 | NASA/CXC/NCSU/K.Borkowski et al. |
授权 (二次使用本文件) |
See Category:Chandra_images |
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[编辑]Public domainPublic domainfalsefalse |
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当前 | 2014年1月3日 (五) 17:30 | ![]() | 1,500 × 1,280(804 KB) | Fabian RRRR(留言 | 贡献) | crop |
2014年1月3日 (五) 17:25 | ![]() | 3,600 × 3,600(984 KB) | Fabian RRRR(留言 | 贡献) | =={{int:filedesc}}== {{Information |description={{en|1=G1.9+0.3 is the remains of the most recent supernova, in Earth's time frame, known to have occurred in the Milky Way. If gas and dust had not heavily obscured it, the explosion would have been visi... |
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图像标题 | A new Chandra observation is providing important details about the most recent supernova known to have exploded in the Milky Way. The explosion would have been visible from Earth a little more than a hundred years ago if it had not been heavily obscured by dust and gas. G1.9+0.3 was most likely created when a white dwarf star underwent a thermonuclear detonation and was destroyed - either after merging with another white dwarf or by pulling too much material from an orbiting companion star. The Chandra data show that most of the X-ray emission is "synchrotron radiation," produced by extremely energetic electrons accelerated in the rapidly expanding blast wave of the supernova. The new X-ray study also reveals that the explosion that created G1.9+0.3 was asymmetrical and unusually energetic. |
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宽度 | 1,500 px |
高度 | 1,280 px |
每色彩组分位数 |
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压缩方案 | LZW |
像素构成 | RGB |
方向 | 正常 |
色彩组分数 | 3 |
每带行数 | 64 |
水平分辨率 | 300 dpi |
垂直分辨率 | 300 dpi |
数据排布 | 大块格式 |