标签: 超新星

邻近螺旋星系M101刚发现的超新星

2023年5月22日 Supernova Discovered in Nearby Spiral Galaxy M101 Image Credit & Copyright: Craig Stocks Explanation: A nearby star has exploded and humanity’s telescopes are turning to monitor it. The supernova, dubbed SN 2023ixf, was discovered by Japanese astronomer Koichi Itagaki three days ago and subsequently located on automated images from the ...

WR 134周围的环状星云

2023年5月18日 WR 134 Ring Nebula Image Credit & Copyright: Craig Stocks Explanation: Made with narrowband filters, this cosmic snapshot covers a field of view about the size of the full Moon within the boundaries of the constellation Cygnus. It highlights the bright edge of a ring-like nebula traced by the glow of ionized sulfur, hydrogen, and oxygen gas. ...

NASA的IXPE观测到前所未有的历史性星云

科学家们已经使用IXPE创建了蟹状星云磁场的详细而细致的地图,揭示了比以往更多的内部工作原理。发表在《自然天文学》杂志上的新结果,有助于解决关于被充分研究的蟹状星云的长期谜团,并为未来的研究提出了新的问题。

沃尔夫-拉叶星WR 124

2023年3月18日 Wolf-Rayet 124 Image Credit: NASA, ESA, CSA, STScI, Webb ERO Production Team Explanation: Driven by powerful stellar winds, expanding shrouds of gas and dust frame hot, luminous star Wolf-Rayet 124 in this sharp infrared view. The eye-catching 6-spike star pattern is characteristic of stellar images made with the 18 hexagonal mirrors of the James ...

NASA的詹姆斯·韦伯太空望远镜拍摄到罕见的超新星前奏曲

沃尔夫-拉叶星是已知的最明亮、质量最大、可探测时间最短的恒星之一,这颗罕见的恒星是NASA詹姆斯·韦伯太空望远镜于2022年6月首次观测到的恒星之一。韦伯用其强大的红外仪器以前所未有的细节展示了这颗名为WR 124的恒星。这颗恒星位于1.5万光年外的人马座。

船帆座脉冲星风星云在NASA IXPE的新图像中飞行

大约一万年前,船帆座的一颗巨星爆炸发出的光到达了地球。这颗超新星留下了一个被称为脉冲星的致密物体,它在旋转时似乎有规律地变亮,就像一座宇宙灯塔。从这颗脉冲星的表面,出现了以接近光速传播的粒子风,形成了带电粒子和磁场的混乱大杂烩,并与周围的气体相撞。这种现象被称为脉冲星风星云。 这张照片显示了船帆座脉冲星风星云。浅蓝色代表来自NASA X射线成像偏振探测器的X射线偏振数据。粉色和紫色对应于NASA钱德拉X射线天文台的数据,该天文台此前曾多次观测到船帆座。NASA的哈勃太空望远镜拍摄了背景中的恒星。单击此处查看未标记的图像。 影像来源:X射线: (IXPE) NASA/MSFC/Fei Xie & (Chandra) NASA/CXC/SAO;光学:NASA/STScI Hubble/Chandra;由N...

RCW 86: 古超新星遗迹

2023年3月3日 RCW 86: Historical Supernova Remnant Image Credit: CTIO/NOIRLab/DOE/NSF/AURA, T.A. Rector (Univ.of Alaska/NSF’s NOIRLab), J. Miller (Gemini Obs./NSF’s NOIRLab), M. Zamani & D. de Martin (NSF’s NOIRLab) Explanation: In 185 AD, Chinese astronomers recorded the appearance of a new star in the Nanmen asterism. That part of the sky is identified wi...

M1: 哈勃望远镜的蟹状星云

2023年1月15日 M1: The Crab Nebula from Hubble Image Credit: NASA, ESA, Hubble, J. Hester, A. Loll (ASU) Explanation: This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously complex, but appear to have less mass than expelled in th...