NGC 1068以及X射线源
[align=center][color=red][b]Credit:[/b] X-ray: P. Ogle ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.ucsb.edu/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhTG2R89crJ_M__YlFnUew2oAjCsg][color=red]UCSB[/color][/url][color=red] ) [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://arxiv.org/abs/astro-ph/0211406&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiSBLRZ1aKAELhjyD-SdfNWMC2BwQ][color=red]et al.[/color][/url][color=red] ; Optical: A.Capetti ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.inaf.it/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjSGEl-U9MXa2D0rtzPT1LXynx_cQ][color=red]INAF[/color][/url][color=red] ) et al.; [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhi7JDS7O3wDoc69QHPi2rTb3b02dg][color=red]CXO[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.stsci.edu/resources/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhEOeZ56JjFutl1yUQTRbfsVc2MTA][color=red]STScI[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nasa.gov/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhi0fvXmFaSDpJW_K2JGkMFkcdwDBQ][color=red]NASA[/color][/url] [/align][align=center][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0307/ngc1068_cxohst_full.jpg[/img][/align]
[color=green][b]说明:[/b]在晚上，将手电筒放在你的下巴下，倾斜手电筒不要直射到你的朋友，光线会照出你的脸，看起来让人吓一跳。 [align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.kopernik.org/images/archive/m77.htm&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhxHtbLXG7NIJjX8jsifFGgLdYGVA]漩涡星系NGC 1068[/url]玩同样的把戏，只是尺度大多了，是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://imagine.gsfc.nasa.gov/docs/science/know_l2/active_galaxies.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjMbdwKaxgqVnntEXDOBKS3Y0lVNQ]宇宙级的尺度[/url] 。 [/align][align=left]里头藏了一个强烈的X射线光源，可能是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/xray_sources/blackholes_sm.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhz8Pv-QttBrSeSgpCcDTxDgx_r1A]超级重的黑洞[/url] 。 [/align][align=left]因为黑洞周围的稠密的圆盘物质， [url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://imagine.gsfc.nasa.gov/docs/features/exhibit/xray_anniversary.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgrgjwM2ES22w_x3kmu3HA7e8D6jQ]X射线[/url]仍然会散射到我们的视直线上。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://arxiv.org/abs/astro-ph/0211406&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiSBLRZ1aKAELhjyD-SdfNWMC2BwQ]以上的解释[/url]是根据[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/resources/misc/special_features.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhUrlmWkiX-ebwuLo-oMZwfXwcGBg]钱卓拉望远镜(Chandra Observatory)[/url]的X射线资料及哈伯太空望远镜(Hubble Space Telescope)的光学影像[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/photo/2003/ngc1068/index.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjYHQ_HnzEAlZjfcTxDrw8w3UcZ-w]所重叠的假色(false-color)[/url]影像。 [/align][align=left]红色标示光学资料，显示NGC 1068的漩涡结构约有七千光年的距离，叠上蓝色与绿色用来显示X射线的资料。 [/align][align=left]宽的X射线发射区域应该是从星系核心流出的炙热气体，同时物质被中心更强烈的X射线云甚至隐藏的黑洞所[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/photo/2003/ngc1068/more.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiKHySXW8JwZWmfvzghB0S5CgOvgw]照亮[/url] 。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/m/m077.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiG3_Dyrmjn0O5yohomyLhhjZMH2Q]如同著名的[/url] M77， [url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap960911.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhg-svM695ruPixwHDlaiXRF8KUP7w]NGC 1068[/url]位在同样的鲸鱼座(Cetus)，距离仅五千万光年。[/color] ::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align]
[[i] 本帖最后由 zheng123 于 2008-8-18 08:03 编辑 [/i]] 这个手电太粗了！！而且是X光，不是可见光。不然。。。。。。 不然就能创记录了吧???::42:: ::42:: ::42::
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