NGC 1097: 有超新星的螺旋星系

NGC 1097: 有超新星的螺旋星系

ByNASA中文

2023年10月11日 NGC 1097: Spiral Galaxy with Supernova Image Data: Telescope Live (Chile); Image Processing & Copyright: Bernard Miller Explanation: What’s happening in the lower arm of this spiral galaxy? A supernova. Last month, supernova SN 2023rve was discovered with UAE‘s Al-Khatim Observatory and later found to be consistent with the death explosion of a massive star, possibly leaving behind a black hole. Spiral galaxy NGC 1097 is a relatively close 45 million light years away and visible with a small telescope toward the southern constellation of the Furnace (Fornax). The galaxy is notable not only for its picturesque spiral arms, but also for faint jets consistent with ancient star streams left over from a galactic collision — possibly with the small galaxy seen between its…

星系NGC 1097

星系NGC 1097

ByNASA中文

2022年11月16日 In the Arms of NGC 1097 Image Credit & Copyright: Mike Selby, Mark Hanson Explanation: Spiral galaxy NGC 1097 shines in southern skies, about 45 million light-years away in the heated constellation Fornax. Its blue spiral arms are mottled with pinkish star forming regions in this colorful galaxy portrait. They seem to have wrapped around a small companion galaxy above and right of center, about 40,000 light-years from the spiral’s luminous core. That’s not NGC 1097’s only peculiar feature, though. This very deep exposure hints of faint, mysterious jets, seen to extend well beyond the bluish arms. In fact, four faint jets are ultimately recognized in optical images of NGC 1097. The jets trace an X centered on the galaxy’s nucleus, but probably don’t…