Hickson Compact Group

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Template:Short description Script error: No such module "Infobox".Template:Template other A Hickson Compact Group (abbreviation: HCG) is a collection of galaxies designated as published by Paul Hickson in 1982.[1]

The most famous group on Hickson's list of 100 objects is HCG 92, Stephan's Quintet.

Hickson Compact Groups

According to Hickson: “Most compact groups contain a high fraction of galaxies having morphological or kinematical peculiarities, nuclear radio and infrared emission, and starburst or active galactic nuclei (AGN) activity. They contain large quantities of diffuse gas and are dynamically dominated by dark matter. They most likely form as subsystems within looser associations and evolve by gravitational processes. Strong galaxy interactions result and merging is expected to lead to the ultimate demise of the group. Compact groups are surprisingly numerous, and may play a significant role in galaxy evolution.”[2]

List

Image HCG Right ascension[3] Declination[3] Galaxy count[4] Members Notes
File:HCG 1 legacy dr10.jpg 1 Template:RA Template:DEC 4 UGC 248, PGC 1625, PGC 1614, PGC 1618
File:HCG 2 legacy dr10.jpg 2 Template:RA Template:DEC 4 UGC 312, Markarian 552, UGC 314, UGC 315
File:HCG 3 legacy dr10.jpg 3 Template:RA Template:DEC 4 MCG-01-02-032, PGC 2064, PGC 2059, PGC 2043
File:HCG 4 legacy dr10.jpg 4 Template:RA Template:DEC 5 ESO 540-1, ESO 540-2, PGC 2051, PGC 2057, PGC 2040
File:NGC190 - SDSS DR14.jpg 5 Template:RA Template:DEC 4 NGC 190, NGC 190S, MCG+01-02-042, PGC 2326
File:HCG 6 legacy dr10.jpg 6 Template:RA Template:DEC 4 PGC 2347, PGC 2350, PGC 2351, PGC 2353
File:HCG 7.jpg 7 Template:RA Template:DEC 4 NGC 192, NGC 196, NGC 197, NGC 201 Contains three spirals and one lenticular galaxy[5]
File:HCG 8 legacy dr10.jpg 8 Template:RA Template:DEC 4 MCG+04-03-008, PGC 2888, PGC 2890, PGC 2892
File:HCG 9 legacy dr10.jpg 9 Template:RA Template:DEC 4 MCG-04-03-027, MCG-04-03-028, PGC 3196, PGC 3200
File:N536s.jpg 10 Template:RA Template:DEC 4 NGC 536, NGC 529, NGC 531, NGC 542
File:HCG 11 legacy dr10.jpg 11 Template:RA Template:DEC 4 ESO 476-8, MCG-04-04-010, PGC 5357, PGC 5381
File:HCG 12 legacy dr10.jpg 12 Template:RA Template:DEC 5 MCG-01-04-052, PGC 5432, PGC 5439, PGC 5443, PGC 5445
File:HCG 13 legacy dr10.jpg 13 Template:RA Template:DEC 5 MCG-01-05-002, MCG-01-05-003, MCG-01-05-004, PGC 5728, PGC 5741
File:HCG 14 legacy dr10.jpg 14 Template:RA Template:DEC 4 MCG-01-06-017, MCG-01-06-019, MCG-01-06-020, MCG-01-06-022
File:HCG 15 legacy dr10.jpg 15 Template:RA Template:DEC 6 UGC 1617, UGC 1618, UGC 1618 B, UGC 1620, UGC 1624, MCG+00-06-033
File:NGC 833 NGC 835 NGC 838 NGC 839 legacy dr10.jpg 16 Template:RA Template:DEC 4 NGC 835, NGC 833, NGC 838, NGC 839 Contains three starburst galaxies, two LINER galaxies, and a Seyfert 2 galaxy[6]
File:HCG 17 legacy dr10.jpg 17 Template:RA Template:DEC 5 PGC 8558, PGC 8559, PGC 8560, PGC 8561, PGC 8564
File:HCG 18 legacy dr10.jpg 18 Template:RA Template:DEC 4 MCG+03-07-038, UGC 2140
File:HCG 19 legacy dr10.jpg 19 Template:RA Template:DEC 4 MCG-02-07-073, MCG-02-07-074, MCG-02-07-075, PGC 10269
20 Template:RA Template:DEC 6 PGC 10364, PGC 10365, PGC 10366, PGC 10367, PGC 10368, PGC 10369
File:NGC 1098 NGC 1099 NGC 1100 legacy dr10.jpg 21 Template:RA Template:DEC 5 NGC 1099, NGC 1100, NGC 1098, NGC 1091, NGC 1092
File:HCG 22 legacy dr10.jpg 22 Template:RA Template:DEC 5 NGC 1199, NGC 1190, NGC 1189, NGC 1191, NGC 1192
File:HCG 23 legacy dr10.jpg 23 Template:RA Template:DEC 5 NGC 1214, NGC 1215, NGC 1216, MCG-02-08-054
File:HCG 24 legacy dr10.jpg 24 Template:RA Template:DEC 5 MCG-02-09-031, MCG-02-09-032, PGC 12472, PGC 12492, PGC 12489
File:HCG 25 legacy dr10.jpg 25 Template:RA Template:DEC 7 UGC 2690, UGC 2691, PGC 12524, PGC 12530, PGC 12533, PGC 12538, PGC 12550
File:HCG 26 legacy dr10.jpg 26 Template:RA Template:DEC 7 MCG-02-09-035, HCG 26b, PGC 12604, PGC 12605, PGC 12610, PGC 12613, PGC 12615
File:HCG 27 legacy dr10.jpg 27 Template:RA Template:DEC 6 PGC 14861, PGC 14862, PGC 14863, PGC 14866, PGC 14870, PGC 14873
File:HCG 28 legacy dr10.jpg 28 Template:RA Template:DEC 4 PGC 15135, PGC 15136, PGC 15141, HCGd 28d
File:HCG 29 legacy dr10.jpg 29 Template:RA Template:DEC 4 PGC 15559, PGC 15560, PGC 15561, PGC 15562
File:HCG 30 legacy dr10.jpg 30 Template:RA Template:DEC 4 MCG+00-12-051, MCG+00-12-054, PGC 15624, PGC 15636
File:Hickson Compact Group 31.jpg 31 Template:RA Template:DEC 4 NGC 1741A, PGC 16570, NGC 1741B, PGC 16571
File:HCG 32 legacy dr10.jpg 32 Template:RA Template:DEC 4 MCG-03-13-053, PGC 16578, PGC 16584, PGC 16587
33 Template:RA Template:DEC 4 PGC 16863, PGC 16866, PGC 16867, PGC 16871
File:NGC 1875 HCG34 PanS.jpg 34 Template:RA Template:DEC 4 NGC 1875, VV 169b, VV 169c, VV 169d
File:HCG 35 legacy dr10.jpg 35 Template:RA Template:DEC 6 PGC 24596, PGC 24597, PGC 24598, PGC 24599, PGC 24600, PGC 24601
File:HCG 36 legacy dr10.jpg 36 Template:RA Template:DEC 4 IC 528, IC 528C, PGC 25782, PGC 25791
File:NGC 2783 SDSS.jpg 37 Template:RA Template:DEC 5 NGC 2783, UGC 4856, MCG+05-22-016, MCG+05-22-018, MCG+05-22-020,
File:HCG 38 legacy dr10.jpg 38 Template:RA Template:DEC 4 MCG+02-24-012, UGC 5044, MCG+02-24-014, PGC 26830
File:HCG 39 legacy dr10.jpg 39 Template:RA Template:DEC 4 PGC 26925, PGC 26926, PGC 26929, PGC 26931
File:ARP321 - HST - Hickson Compact Group 40.jpg 40 Template:RA Template:DEC 6 MCG-01-25-008, MCG-01-25-009, MCG-01-25-010, MCG-01-25-011, MCG-01-25-012, PGC 27517 also known as Arp 321
File:HCG 41 legacy dr10.jpg 41 Template:RA Template:DEC 4 UGC 5345, UGC 5346, MCG+08-18-046, PGC 28784
File:HCG 42 legacy dr10.jpg 42 Template:RA Template:DEC 4 NGC 3091, NGC 3096, MCG-03-26-006, PGC 28926 also known as NGC 3091 Group
File:HCG 43 legacy dr10.jpg 43 Template:RA Template:DEC 6 Z 8-59, Z 8-61, Z 8-62, PGC 29666, PGC 29668, PGC 29673
File:N3190s.jpg 44 Template:RA Template:DEC 4 NGC 3185, NGC 3187, NGC 3190, NGC 3193
File:HCG 45 legacy dr10.jpg 45 Template:RA Template:DEC 4 UGC 5564, PGC 30137, PGC 30143, PGC 30156
File:HCG 46 legacy dr10.jpg 46 Template:RA Template:DEC 4 MCG+03-27-005, MCG+03-27-007, MCG+03-27-008, MCG+03-27-009
File:HCG 47 legacy dr10.jpg 47 Template:RA Template:DEC 4 UGC 5644, MCG+02-27-013, MCG+02-27-014, MCG+02-27-015
File:HCG 48 legacy dr10.jpg 48 Template:RA Template:DEC 4 IC 2597, ESO 501-59, PGC 31577, PGC 31580
File:HCG 49 legacy dr10.jpg 49 Template:RA Template:DEC 4 PGC 32890, PGC 32893, PGC 32895, PGC 32899
File:HCG 50 legacy dr10.jpg 50 Template:RA Template:DEC 5 PGC 34444, PGC 34447, PGC 34448, PGC 34452, PGC 34453
File:HCG 51 SDSS.jpg 51 Template:RA Template:DEC 7 NGC 3651, NGC 3653, IC 2759, MCG+04-27-030, MCG+04-27-027, PGC 34899, PGC 34901
File:HCG 52 legacy dr10.jpg 52 Template:RA Template:DEC 4 MCG+04-27-036, PGC 35178, PGC 35179, PGC 35184,
File:NGC 3697 HGC53 SDSS.jpg 53 Template:RA Template:DEC 4 NGC 3697, Mrk 1296, MCG+04-27-044, PGC 35381
File:IC700 - SDSS DR14.jpg 54 Template:RA Template:DEC 4 IC 700
File:HCG 55 legacy dr10.jpg 55 Template:RA Template:DEC 5 PGC 35573, PGC 35574, PGC 35575, 2MASX J11320571+7048236, HCG 55e
File:HCG 56 ACS F606W.jpg 56 Template:RA Template:DEC 5 MCG+09-19-113, Mrk 176, PGC 35609, PGC 35615, PGC 35618 south of NGC 3718 and a popular target for amateur astronomers
File:N3750s-crop.jpg 57 Template:RA Template:DEC 8 NGC 3753, NGC 3746, NGC 3750, NGC 3754, NGC 3748, NGC 3751, NGC 3745, PGC 36010 Also known as Copeland Septet
File:HCG 58 legacy dr10.jpg 58 Template:RA Template:DEC 5 NGC 3817, NGC 3819, NGC 3820, NGC 3822, NGC 3825,
File:Hickson Compact Group 59.jpg 59 Template:RA Template:DEC 5 IC 737, IC 736, PGC 36871, PGC 36867, PGC 36851
File:HCG 60 legacy dr10.jpg 60 Template:RA Template:DEC 4 MCG+09-20-071, PGC 38053, PGC 38064, PGC 38072
File:Boxs-crop.jpg 61 Template:RA Template:DEC 4 NGC 4169, NGC 4170, NGC 4174, NGC 4175
File:HCG 62 legacy dr10.jpg 62 Template:RA Template:DEC 4 NGC 4759, NGC 4761, NGC 4764, NGC 4776, NGC 4778
File:HCG 63 legacy dr10.jpg 63 Template:RA Template:DEC 4 ESO 381-50, ESO 443-37, PGC 44959, PGC 44979
File:HCG 64 legacy dr10.jpg 64 Template:RA Template:DEC 4 PGC 46971, PGC 46972, PGC 46975, PGC 46977,
File:HCG 65 legacy dr10.jpg 65 Template:RA Template:DEC 5 ESO 444-55, PGC 47401, PGC 47403, PGC 47406, PGC 47407
File:HCG 66 legacy dr10.jpg 66 Template:RA Template:DEC 4 MCG+10-19-104, PGC 48220, PGC 48231, PGC 48222
File:NGC 5306 legacy dr10.jpg 67 Template:RA Template:DEC 4 NGC 5306, MCG-01-35-013, MCG-01-35-015, PGC 49036
File:NGC 5350 HCG68 PanS.jpg 68 Template:RA Template:DEC 5 NGC 5350, NGC 5353, NGC 5354, NGC 5355, NGC 5358
File:HCG 69 legacy dr10.jpg 69 Template:RA Template:DEC 4 UGC 8842, Z 132-48, MCG+04-33-028, PGC 49499 HCG 69 is surrounded by other galaxies, such as IC 4343, IC 4344, IC 4345, IC 4346, IC 4348 and IC 4349
File:IC4369 - SDSS DR14.jpg 70 Template:RA Template:DEC 7 IC 4369, IC 4370, IC 4371, UGC 8990, MCG+06-31-057, MCG+06-31-065, PGC 50123
File:HCG 71 SDSS.jpg 71 Template:RA Template:DEC 4 NGC 5008, IC 4382, PGC 50640, PGC 50641
File:Arp328 - SDSS DR14.jpg 72 Template:RA Template:DEC 6 UGC 9532, MCG+03-38-017, MCG+03-38-018, MCG+03-38-018, MCG+03-38-020, MCG+03-38-022
File:NGC 5829 HCG73 SDSS2.jpg 73 Template:RA Template:DEC 5 NGC 5829, IC 4526, PGC 53702, PGC 53703, PGC 53720
File:NGC5910 - SDSS DR14.jpg 74 Template:RA Template:DEC 5 NGC 5910, MCG+04-36-036, PGC 54692, PGC 54694, PGC 54697
File:HCG 75 legacy dr10.jpg 75 Template:RA Template:DEC 6 PGC 54802, PGC 54803, PGC 54804, PGC 54818, PGC 54824, PGC 54827
File:HCG 76 SDSS2.jpg 76 Template:RA Template:DEC 5 NGC 5941, NGC 5942, NGC 5944, MCG+01-40-003, PGC 55313, PGC 55325
File:HCG 77 legacy dr10.jpg 77 Template:RA Template:DEC 4 UGC 10049, PGC 56121, PGC 56122, PGC 56125
File:HCG 78 legacy dr10.jpg 78 Template:RA Template:DEC 4 UGC 10057, MCG+11-19-016, PGC 56086, PGC 56095
File:Seyfert's Sextet.png 79 Template:RA Template:DEC 5 NGC 6027, NGC 6027a, NGC 6027b, NGC 6027c, NGC 6027d, NGC 6027e (tidal tail of NGC 6027) Also known as UGC 10116, VV 115, Seyfert's Sextet or Serpens Sextet. Contains 2 lenticular galaxies, 3 spiral galaxies (one barred spiral) and a tidal tail.
File:HCG 80 legacy dr10.jpg 80 Template:RA Template:DEC 4 PGC 56572, PGC 56577, PGC 56588, PGC 56590
File:HCG 81 legacy dr10.jpg 81 Template:RA Template:DEC 4 SDSS J161813.66+124811.2, PGC 57774, PGC 57777, PGC 57779
File:HCG 82 legacy dr10.jpg 82 Template:RA Template:DEC 4 NGC 6161, NGC 6162, NGC 6163, PGC 58231
File:HCG 83 legacy dr10.jpg 83 Template:RA Template:DEC 5 PGC 58559, PGC 58561, PGC 58562, PGC 58565, PGC 58569
File:HCG 84 legacy dr10.jpg 84 Template:RA Template:DEC 6 PGC 58856, PGC 58861, PGC 58873, PGC 58877, PGC 58881, PGC 58884
File:HCG 85 legacy dr10.jpg 85 Template:RA Template:DEC 4 PGC 62476, PGC 62477, PGC 62478, PGC 62484,
File:HCG 86 legacy dr10.jpg 86 Template:RA Template:DEC 4 ESO 461-7, MCG-05-47-001, MCG-05-47-002, MCG-05-47-003,
File:HCG 87.png 87 Template:RA Template:DEC 4 ESO 597-36, PGC 65409, ESO 597-35, PGC 65414 One of the most compact groups, hosting two active galactic nuclei and a starburst among its three members, all of which show signs of interaction
File:HCG 88 legacy dr10.jpg 88 Template:RA Template:DEC 4 NGC 6978, NGC 6976, NGC 6977, MCG-01-53-014
File:HCG 89 legacy dr10.jpg 89 Template:RA Template:DEC 4 MCG-01-54-012, PGC 66574, PGC 66575, PGC 66580
File:HCG 90HST.jpg 90 Template:RA Template:DEC 4 NGC 7173, NGC 7174, NGC 7176, and NGC 7172 also called NGC 7176 Group
91 Template:RA Template:DEC 4 NGC 7214, ESO 467-15, ESO 467-13, HCG 91d also called VV 700 Group
File:Stephan's Quintet Hubble 2009.full denoise.jpg 92 Template:RA Template:DEC 5 NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C Also called Stephan's Quintet, one galaxy of the sixsome, NGC 7320, is not part of the HCG but is a foreground galaxy in front of the five galaxies in the HCG. When discovered, two of the galaxies in the grouping were considered to be one galaxy, NGC 7318.
File:HCG 93 legacy dr10.jpg 93 Template:RA Template:DEC 5 NGC 7547, NGC 7549, NGC 7550, NGC 7553, NGC 7558
File:NGC7578 - SDSS DR14.jpg 94 Template:RA Template:DEC 7 NGC 7578, UGC 12477, PGC 70936, PGC 70937, PGC 70939, PGC 70941, PGC 70943,
File:NGC7609 - SDSS DR14.jpg 95 Template:RA Template:DEC 4 NGC 7609, MCG+01-59-046, PGC 71077, PGC 71080 also called Arp 150 Group and NGC 7609 Group
File:Hubble Interacting Galaxy NGC 7674 (2008-04-24).jpg 96 Template:RA Template:DEC 4 NGC 7674, NGC 7674A, NGC 7675, PGC 71507
File:HCG 97 legacy dr10.jpg 97 Template:RA Template:DEC 5 IC 5351, IC 5352, IC 5356, IC 5357, IC 5359
File:HCG 98 legacy dr10.jpg 98 Template:RA Template:DEC 4 NGC 7783, MCG+00-60-059, PGC 72810, NGC 7783 C In 2019 a giant tidal tail and a large envelope was discovered around HCG 98 with the Wise Observatory[7]
File:HCG 99 legacy dr10.jpg 99 Template:RA Template:DEC 4 UGC 12897, UGC 12899, MCG+05-01-021, PGC 60, PGC 57
File:HCG 100 legacy dr10.jpg 100 Template:RA Template:DEC 4 NGC 7803, Mrk 934, MCG+02-01-009, MCG+02-01-010

Gallery

See also

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References

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Further reading

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External links

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