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CTA-102
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Title: Core-shift and spectral analysis of the 2006 radio flare in CTA102 Authors: C. M. Fromm, E. Ros, M. Perucho, T. Savolainen, P. Mimica, A. P. Lobanov, J. A. Zensus The 2006 radio flare in the blazar CTA102 is the largest ever reported for this source. The analysis of the single--dish light curve...
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NGC 7250
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NGC 7250 (also IRAS 22161+4018, MCG 7-45-24, UGC 11980 and PGC 68535) is a magnitude +12.6 spiral galaxy located 53 million light-years away in the constellation Lacerta. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecto...
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DDO 161 and UGCA 319
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Title: DDO 161 and UGCA 319: an isolated pair of nearby dwarf galaxies Author: I. D. Karachentsev, L. N. Makarova, R. B. Tully, L. Rizzi, V. E. Karachentseva, E. Shaya We report HST/ACS observations of two nearby gas-rich dwarf galaxies: DDO 161 and UGCA 319. Their distances determined via the Tip of...
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NGC 2076
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NGC 2076 (also MCG -3-15-12, IRAS 05445-1648, and PGC 17804) is a magnitude +13.0 edge-on spiral(?) galaxy located 99 million light-years away in the constellation Lepus. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflect...
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Galaxy quenching
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Title: Galaxy Zoo: The interplay of quenching mechanisms in the group environment Author: R. J. Smethurst, C. J. Lintott, S. P. Bamford, R. E. Hart, S. J. Kruk, K. L. Masters, R. C. Nichol, B. D. Simmons Does the environment of a galaxy directly influence the quenching history of a galaxy? Here we inve...
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NGC 4874
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NGC 4874 (also MCG+05-31-070, Coma A, UGC 8103 and PGC 44628) is a magnitude +11.9 supergiant elliptical galaxy located 303 ±37 million light-years away in the constellation Coma Berenices. It belongs to the Abell 1656 (Coma) cluster of galaxies. The central region of Abell 1656 is dominated by th...
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NGC 4696
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NGC 4696: a cosmic question mark Curling around itself like a question mark, the unusual looking galaxy NGC 4696 itself begs many questions. Why is it such a strange shape? What are the odd, capillary-like filaments that stretch out of it? And what is the role of a large black hole in explaining its dec...
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NGC 5516
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NGC 5516 (also ESO 221-34, AM 1412-475, PGC 50960) is a magnitude +12.0 elliptical/spiral galaxy located 188 million light-years away in the constellation Centaur. The galaxy was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Feldhausen,...
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NGC 3546
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NGC 3546 (also MCG -2-29-7, PGC 33846) is a magnitude +13.4 elliptical galaxy located 205 million light-years aay in the constellation Crater. The galaxy was discovered by the American astronomer Frank Muller using a 66.04 cm (26 inch) refractor at the Leander McCormick Observatory in 1886. The...
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NGC 4016
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NGC 4016 (also Arp 305, MCG 5-28-63, UGC 6954 and PGC 37687) is a magnitude +13.8 barred spiral galaxy located 158 million light-years away in the constellation Coma Berenices. The galaxy is gravitationally interacting with the neighbouring galaxy NGC 4017: these two galaxies are listed as Arp 3...
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NGC 5291
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NGC 5291 (also MCG -5-33-6, ESO 445-30, PGC 48893) is a magnitude +13.9 elliptical or lenticular HII interacting galaxy located 190 million light-years away in the constellation Centaurus. A tidal dwarf galaxy NGC 5291B, also named "Seashell" galaxy, is interacting with NGC 5291. NGC 5291 is sur...
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NGC 5506
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NGC 5506 (also MK 1376, MCG 0-36-28, IRAS 14106-0258, UGCA 387, and PGC 50782) is a magnitude +11.9 edge-on Seyfert spiral galaxy located 85 million light-years away in the constellation Virgo. The galaxy can be found about 2 degrees SW of the star Upsilon Virgo. The galaxy is close (03' south) to NGC...
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NGC 5507
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NGC 5507 (also MCG 0-36-29, UGCA 388, and 50786) is a magnitude +12.5 lenticular galaxy located about 93 million light-years away in the constellation Virgo. The galaxy can be found about 2 degrees SW of the star Upsilon Virgo. The galaxy is close (03' north) to NGC 5506. Together, they form a gravita...
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NGC 4261
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NGC 4261 (also MCG 1-31-52, UGC 7360 and PGC 39659) is a magnitude +11.4 elliptical galaxy located 103 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Ber...
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NGC 4657
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NGC 4657 (also IRAS 12417 +3228) is a magnitude +12.4 irregular galaxy located 40 million light-years away in the constellation Canes Venatici. The galaxy can be found about 4.5 degrees NE of the star gamma Comae Berenices. The galaxy is a satellite of NGC 4656. Together, they form a galaxy pair, cal...
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