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Words near each other
・ NGC 42
・ NGC 4206
・ NGC 4214
・ NGC 4216
・ NGC 4217
・ NGC 4236
・ NGC 4244
・ NGC 4261
・ NGC 4262
・ NGC 428
・ NGC 4293
・ NGC 43
・ NGC 4308
・ NGC 4309
・ NGC 4314
NGC 4319
・ NGC 4323
・ NGC 4349-127
・ NGC 4361
・ NGC 4372
・ NGC 4395
・ NGC 44
・ NGC 4402
・ NGC 4414
・ NGC 4420
・ NGC 4444
・ NGC 4448
・ NGC 4449
・ NGC 4450
・ NGC 4451


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NGC 4319 : ウィキペディア英語版
NGC 4319

NGC 4319 is a face-on barred spiral galaxy located about 77 million〔 light years away in the constellation Draco. The morphological classification is SB(r)ab,〔 which indicates it is a barred spiral with an inner ring structure and moderate to tightly wound arms.〔 It is situated in physical proximity to the galaxies NGC 4291 and NGC 4386, with X-ray emissions from the intervening gap indicating NGC 4319 and NGC 4291 may be interacting.〔 NGC 4319 has a much higher proportion of ionized hydrogen compared to the Milky Way galaxy.〔
In 1971, American astronomer Halton Arp noted what appeared to be a physical connection between NGC 4319 and Markarian 205, a quasi-stellar object with a much higher redshift. He suggested that if Markarian 205 is not an accidentally projected background object, then it may instead have been ejected from the nucleus of this galaxy.〔 The discovery of an apparent luminous connection between the two created a storm of controversy as astronomers sought to refute the assertion and provide other explanations.〔 The matter was effectively settled when observations using the Hubble Space Telescope showed that the light from Markarian 205 was passing through the disk and halo of NGC 4319 to reach the observer, placing Markarian 205 behind this galaxy and thus further away.〔
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「NGC 4319」の詳細全文を読む



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