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・ 3B Lab
・ 3B series computers
・ 3B/Bærums Verk
・ 3BA
・ 3Ball MTY
・ 3BB Nakhonnont
・ 3beta(or 20alpha)-hydroxysteroid dehydrogenase
・ 3beta-hydroxy-5alpha-steroid dehydrogenase
・ 3beta-hydroxy-5beta-steroid dehydrogenase
・ 3beta-Hydroxysteroid dehydrogenase
・ 3BO FM
・ 3BPH
・ 3C
・ 3C (radio)
・ 3C 109
3C 147
・ 3C 171
・ 3C 191
・ 3C 20
・ 3C 212
・ 3C 215
・ 3C 219
・ 3C 223
・ 3C 234
・ 3C 236
・ 3C 244.1
・ 3C 249.1
・ 3C 268.3
・ 3C 273
・ 3C 279


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3C 147 : ウィキペディア英語版
3C 147

3C 147 (B0538+498) is a compact steep-spectrum (CSS) quasar〔 that was discovered in 1964. It is located in the constellation Auriga not far in the sky from the 5th magnitude star Omicron Aurigae.
The "distance" of a far away galaxy depends on what distance measurement you use. With a redshift of 0.545,〔〔 light from this active galaxy is estimated to have taken around 5.1 billion years to reach us.〔 But as a result of the expansion of the Universe, the present (co-moving) distance to this galaxy is about 6.4 billion light-years (1974 Mpc).〔
Very Long Baseline Array (VLBA) observations have identified a complex central region that is dominated by two bright components, A and B.〔 The separation between the two central components of the source seems to be increasing with an apparent velocity (superluminal motion) of 1.2 ± 0.4 c.〔
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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