Hickson Compact Group

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Hickson Compact Group
Alternative namesHickson Galaxy Groups
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A Hickson Compact Group (abbreviation: HCG) is a collection of galaxies designated as published by Paul Hickson in 1982. [1]

Contents

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

ImageHCG Right ascension [3] Declination [3] Galaxy count [4] MembersNotes
HCG 1 legacy dr10.jpg 1 00h 26.0m+25° 434UGC 248, PGC 1625, PGC 1614, PGC 1618In Andromeda, westnorthwest of HD 2315
HCG 2 legacy dr10.jpg 2 00h 31m 24s+08° 26.84UGC 312, Markarian 552, UGC 314, UGC 315In Pisces, east of HD 2679
HCG 3 legacy dr10.jpg 3 00h 34m 11s−07° 35.64MCG-01-02-032, PGC 2064, PGC 2059, PGC 2043In Cetus, less than 1 degree north of NGC 157
HCG 4 legacy dr10.jpg 4 00h 34m 15.3s−21° 26 525ESO 540-1, ESO 540-2, PGC 2051, PGC 2057, PGC 2040In Cetus
NGC190 - SDSS DR14.jpg 5 00h 38m 54s+07° 03.84 NGC 190, NGC 190S, MCG+01-02-042, PGC 2326In Pisces
HCG 6 legacy dr10.jpg 6 00h 39m 10s−08° 23.74PGC 2347, PGC 2350, PGC 2351, PGC 2353In Cetus, south of the asterism Pointer made of HD 3841, HD 3821, HD 3770, HD 3733, and HD 3707
HCG 7.jpg 7 00h 39m 15.9s+00° 53 174 NGC 192, NGC 196, NGC 197, NGC 201 In Cetus, contains three spirals and one lenticular galaxy [5]
HCG 8 legacy dr10.jpg 8 00h 49m 37s+23° 34.84MCG+04-03-008, PGC 2888, PGC 2890, PGC 2892In Andromeda
HCG 9 legacy dr10.jpg 9 00h 54m 18s−23° 33.14MCG-04-03-027, MCG-04-03-028, PGC 3196, PGC 3200In Cetus
N536s.jpg 10 01h 26m 24.5s+34° 42 514 NGC 536, NGC 529, NGC 531, NGC 542 In Andromeda
HCG 11 legacy dr10.jpg 11 01h 26.6m−23° 134ESO 476-8, MCG-04-04-010, PGC 5357, PGC 5381In Cetus
HCG 12 legacy dr10.jpg 12 01h 27m 33.7s−04° 40 145MCG-01-04-052, PGC 5432, PGC 5439, PGC 5443, PGC 5445In Cetus
HCG 13 legacy dr10.jpg 13 01h 32.4m−07° 525MCG-01-05-002, MCG-01-05-003, MCG-01-05-004, PGC 5728, PGC 5741In Cetus
HCG 14 legacy dr10.jpg 14 01h 59m 47s−07° 01.74MCG-01-06-017, MCG-01-06-019, MCG-01-06-020, MCG-01-06-022In Cetus
HCG 15 legacy dr10.jpg 15 02h 07m 39.0s+02° 08 186UGC 1617, UGC 1618, UGC 1618 B, UGC 1620, UGC 1624, MCG+00-06-033In Cetus
NGC 833 NGC 835 NGC 838 NGC 839 legacy dr10.jpg 16 02h 09m 31.3s−10° 09 314 NGC 835, NGC 833, NGC 838, NGC 839 In Cetus. Contains three starburst galaxies, two LINER galaxies, and a Seyfert 2 galaxy [6]
HCG 17 legacy dr10.jpg 17 02h 14m 04.5s+13° 18 545PGC 8558, PGC 8559, PGC 8560, PGC 8561, PGC 8564In Aries
HCG 18 legacy dr10.jpg 18 02h 39m 06.10s+18° 23 02.04MCG+03-07-038, UGC 2140 In Aries
HCG 19 legacy dr10.jpg 19 02h 42m 45s−12° 24.74MCG-02-07-073, MCG-02-07-074, MCG-02-07-075, PGC 10269In Cetus
20 02h 44m 14s+26° 06.26PGC 10364, PGC 10365, PGC 10366, PGC 10367, PGC 10368, PGC 10369In Aries
NGC 1098 NGC 1099 NGC 1100 legacy dr10.jpg 21 02h 45m 16.9s−17° 37 355 NGC 1099, NGC 1100, NGC 1098, NGC 1091, NGC 1092 In Eridanus
HCG 22 legacy dr10.jpg 22 03h 03m 31s−15° 40.55 NGC 1199, NGC 1190, NGC 1189, NGC 1191, NGC 1192 In Eridanus
HCG 23 legacy dr10.jpg 23 03h 07m 06s−09° 35.15 NGC 1214, NGC 1215, NGC 1216, MCG-02-08-054 In Eridanus
HCG 24 legacy dr10.jpg 24 03h 20.3m−10° 515MCG-02-09-031, MCG-02-09-032, PGC 12472, PGC 12492, PGC 12489In Eridanus
HCG 25 legacy dr10.jpg 25 03h 20m 43.7s−01° 03 077UGC 2690, UGC 2691, PGC 12524, PGC 12530, PGC 12533, PGC 12538, PGC 12550In Cetus
HCG 26 legacy dr10.jpg 26 03h 21m 54s−13° 38.87MCG-02-09-035, HCG 26b, PGC 12604, PGC 12605, PGC 12610, PGC 12613, PGC 12615In Eridanus
HCG 27 legacy dr10.jpg 27 04h 19.4m−11° 426PGC 14861, PGC 14862, PGC 14863, PGC 14866, PGC 14870, PGC 14873In Eridanus
HCG 28 legacy dr10.jpg 28 04h 27m 19s−10° 19.04PGC 15135, PGC 15136, PGC 15141, HCGd 28dIn Eridanus
HCG 29 legacy dr10.jpg 29 04h 34m 45s−30° 32.84PGC 15559, PGC 15560, PGC 15561, PGC 15562In Eridanus, immediately west of υ2 Eridani (Upsilon2 Eridani)
HCG 30 legacy dr10.jpg 30 04h 36.5m−02° 494MCG+00-12-051, MCG+00-12-054, PGC 15624, PGC 15636In Eridanus
Hickson Compact Group 31.jpg 31 05h 01m 37s−04° 15.44 NGC 1741A, PGC 16570, NGC 1741B, PGC 16571In Eridanus
HCG 32 legacy dr10.jpg 32 05h 01.7m−15° 254MCG-03-13-053, PGC 16578, PGC 16584, PGC 16587In Lepus, westnorthwest of planetary nebula Abell 7, southeast of R Leporis (Hind's Crimson Star)
33 05h 10m 47.6s+18° 01 114PGC 16863, PGC 16866, PGC 16867, PGC 16871In Taurus
NGC 1875 HCG34 PanS.jpg 34 05h 21m 47s+06° 40.64 NGC 1875, VV 169b, VV 169c, VV 169dIn Orion, half a degree southsouthwest of Dolidze 17 (asterism Metronome)
HCG 35 legacy dr10.jpg 35 08h 45m 20.71s+44° 32 23.16PGC 24596, PGC 24597, PGC 24598, PGC 24599, PGC 24600, PGC 24601In Lynx
HCG 36 legacy dr10.jpg 36 09h 09m 24s+15° 47.74 IC 528, IC 528C, PGC 25782, PGC 25791In Cancer
NGC 2783 SDSS.jpg 37 09h 13m 35.6s+30° 00 515 NGC 2783, UGC 4856, MCG+05-22-016, MCG+05-22-018, MCG+05-22-020,In Cancer
HCG 38 legacy dr10.jpg 38 09h 27.6m+12° 164MCG+02-24-012, UGC 5044, MCG+02-24-014, PGC 26830In Leo
HCG 39 legacy dr10.jpg 39 09h 29m 28s−01° 20.74PGC 26925, PGC 26926, PGC 26929, PGC 26931In Hydra
ARP321 - HST - Hickson Compact Group 40.jpg 40 09h 38m 54s−04° 51.16MCG-01-25-008, MCG-01-25-009, MCG-01-25-010, MCG-01-25-011, MCG-01-25-012, PGC 27517In Hydra, also known as Arp 321
HCG 41 legacy dr10.jpg 41 09h 57m 40s+45° 14.44UGC 5345, UGC 5346, MCG+08-18-046, PGC 28784In Ursa Major
HCG 42 legacy dr10.jpg 42 10h 00m 13.1s−19° 38 244 NGC 3091, NGC 3096, MCG-03-26-006, PGC 28926In Hydra, also known as NGC 3091 Group
HCG 43 legacy dr10.jpg 43 10h 11.2m−00° 016Z 8-59, Z 8-61, Z 8-62, PGC 29666, PGC 29668, PGC 29673In Sextans, less than one degree eastnortheast of α Sextantis (Alpha Sextantis)
N3190s.jpg 44 10h 18m 00s+21° 48.74 NGC 3185, NGC 3187, NGC 3190, NGC 3193 In Leo
HCG 45 legacy dr10.jpg 45 10h 19.2m+59° 064UGC 5564, PGC 30137, PGC 30143, PGC 30156In Ursa Major
HCG 46 legacy dr10.jpg 46 10h 22.0m+17° 484MCG+03-27-005, MCG+03-27-007, MCG+03-27-008, MCG+03-27-009In Leo
HCG 47 legacy dr10.jpg 47 10h 25m 48s+13° 43.94UGC 5644, MCG+02-27-013, MCG+02-27-014, MCG+02-27-015In Leo
HCG 48 legacy dr10.jpg 48 10h 37m 45.6s−27° 04 504 IC 2597, ESO 501-59, PGC 31577, PGC 31580In Hydra
HCG 49 legacy dr10.jpg 49 10h 56m 36s+67° 10.84PGC 32890, PGC 32893, PGC 32895, PGC 32899In Ursa Major
HCG 50 legacy dr10.jpg 50 11h 17m 06s+54° 55.15PGC 34444, PGC 34447, PGC 34448, PGC 34452, PGC 34453In Ursa Major, half a degree eastsoutheast of Messier 97 (Owl nebula)
HCG 51 SDSS.jpg 51 11h 22m 21.6s+24° 19 417 NGC 3651, NGC 3653, IC 2759, MCG+04-27-030, MCG+04-27-027, PGC 34899, PGC 34901In Leo
HCG 52 legacy dr10.jpg 52 11h 26.3m+21° 054MCG+04-27-036, PGC 35178, PGC 35179, PGC 35184,In Leo
NGC 3697 HGC53 SDSS.jpg 53 11h 28m 58s+20° 46.64 NGC 3697, Mrk 1296, MCG+04-27-044, PGC 35381In Leo
IC700 - SDSS DR14.jpg 54 11h 29m 15s+20° 34.74 IC 700 In Leo
HCG 55 legacy dr10.jpg 55 11h 32m 07s+70° 48.75PGC 35573, PGC 35574, PGC 35575, 2MASX J11320571+7048236, HCG 55eIn Draco, half a degree northwest of NGC 3735
HCG 56 ACS F606W.jpg 56 11h 32m 32s+52° 56.95MCG+09-19-113, Mrk 176, PGC 35609, PGC 35615, PGC 35618In Ursa Major, south of NGC 3718 and a popular target for amateur astronomers
N3750s-crop.jpg 57 11h 37m 50.5s+21° 59 068 NGC 3753, NGC 3746, NGC 3750, NGC 3754, NGC 3748, NGC 3751, NGC 3745, PGC 36010In Leo, also known as Copeland Septet
HCG 58 legacy dr10.jpg 58 11h 42m 09.4s+10° 16 305 NGC 3817, NGC 3819, NGC 3820, NGC 3822, NGC 3825,In Leo and Virgo
Hickson Compact Group 59.jpg 59 11h 48m 27s+12° 43.05 IC 737, IC 736, PGC 36871, PGC 36867, PGC 36851In Leo
HCG 60 legacy dr10.jpg 60 12h 03m 05s+51° 41.64MCG+09-20-071, PGC 38053, PGC 38064, PGC 38072In Ursa Major
Boxs-crop.jpg 61 12h 12m 24s+29° 10.74 NGC 4169, NGC 4170, NGC 4174, NGC 4175 In Coma Berenices, also known as Box galaxies
HCG 62 legacy dr10.jpg 62 12h 53m 05.6s−09° 12 214 NGC 4759, NGC 4761, NGC 4764, NGC 4776, NGC 4778 In Virgo
HCG 63 legacy dr10.jpg 63 13h 02.2m−32° 464ESO 381-50, ESO 443-37, PGC 44959, PGC 44979In Centaurus
HCG 64 legacy dr10.jpg 64 13h 25m 43s−03° 51.54PGC 46971, PGC 46972, PGC 46975, PGC 46977,In Virgo
HCG 65 legacy dr10.jpg 65 13h 29m 53s−29° 30.05ESO 444-55, PGC 47401, PGC 47403, PGC 47406, PGC 47407In Hydra
HCG 66 legacy dr10.jpg 66 13h 38m 33s+57° 18.34MCG+10-19-104, PGC 48220, PGC 48231, PGC 48222In Ursa Major
NGC 5306 legacy dr10.jpg 67 13h 49m 03.5s−07° 12 204 NGC 5306, MCG-01-35-013, MCG-01-35-015, PGC 49036In Virgo
NGC 5350 HCG68 PanS.jpg 68 13h 53m 40.9s+40° 19 075 NGC 5350, NGC 5353, NGC 5354, NGC 5355, NGC 5358 In Canes Venatici
HCG 69 legacy dr10.jpg 69 13h 55m 31s+25° 03.84UGC 8842, Z 132-48, MCG+04-33-028, PGC 49499In Bootes, HCG 69 is surrounded by other galaxies, such as IC 4343, IC 4344, IC 4345, IC 4346, IC 4348 and IC 4349
IC4369 - SDSS DR14.jpg 70 14h 04m 07.4s+33° 19 107 IC 4369, IC 4370, IC 4371, UGC 8990, MCG+06-31-057, MCG+06-31-065, PGC 50123In Canes Venatici
HCG 71 SDSS.jpg 71 14h 11.1m+25° 294 NGC 5008, IC 4382, PGC 50640, PGC 50641In Bootes
Arp328 - SDSS DR14.jpg 72 14h 47m 55s+19° 03.66UGC 9532, MCG+03-38-017, MCG+03-38-018, MCG+03-38-018, MCG+03-38-020, MCG+03-38-022In Bootes
NGC 5829 HCG73 SDSS2.jpg 73 15h 02m 40.1s+23° 21 135 NGC 5829, IC 4526, PGC 53702, PGC 53703, PGC 53720In Bootes
NGC5910 - SDSS DR14.jpg 74 15h 19m 28s+20° 53.65 NGC 5910, MCG+04-36-036, PGC 54692, PGC 54694, PGC 54697In Serpens Caput
HCG 75 legacy dr10.jpg 75 15h 21m 37.0s+21° 10 506PGC 54802, PGC 54803, PGC 54804, PGC 54818, PGC 54824, PGC 54827In Serpens Caput
HCG 76 SDSS2.jpg 76 15h 31.7m+07° 185 NGC 5941, NGC 5942, NGC 5944, MCG+01-40-003, PGC 55313, PGC 55325In Serpens Caput
HCG 77 legacy dr10.jpg 77 15h 49m 17s+21° 49.74UGC 10049, PGC 56121, PGC 56122, PGC 56125In Serpens Caput
HCG 78 legacy dr10.jpg 78 15h 48.5m+68° 124UGC 10057, MCG+11-19-016, PGC 56086, PGC 56095In Draco
Seyfert's Sextet.png 79 15h 59m 13s+20° 45.15 NGC 6027, NGC 6027a, NGC 6027b, NGC 6027c, NGC 6027d, NGC 6027e (tidal tail of NGC 6027)In Serpens Caput, 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.
HCG 80 legacy dr10.jpg 80 15h 59m 12s+65° 13.64PGC 56572, PGC 56577, PGC 56588, PGC 56590In Draco
HCG 81 legacy dr10.jpg 81 16h 18m 13s+12° 47.64SDSS J161813.66+124811.2, PGC 57774, PGC 57777, PGC 57779In Hercules
HCG 82 legacy dr10.jpg 82 16h 28m 22.1s+32° 49 254 NGC 6161, NGC 6162, NGC 6163, PGC 58231In Hercules
HCG 83 legacy dr10.jpg 83 16h 35m 40.9s+06° 16 125PGC 58559, PGC 58561, PGC 58562, PGC 58565, PGC 58569In Hercules
HCG 84 legacy dr10.jpg 84 16h 44m 08s+77° 50.26PGC 58856, PGC 58861, PGC 58873, PGC 58877, PGC 58881, PGC 58884In Ursa Minor
HCG 85 legacy dr10.jpg 85 18h 50m 22.3s+73° 21 004PGC 62476, PGC 62477, PGC 62478, PGC 62484,In Draco
HCG 86 legacy dr10.jpg 86 19h 51m 59.2s−30° 49 344ESO 461-7, MCG-05-47-001, MCG-05-47-002, MCG-05-47-003,In Sagittarius
HCG 87.png 87 20h 48m 11s−19° 50.44ESO 597-36, PGC 65409, ESO 597-35, PGC 65414In Capricornus, 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
HCG 88 legacy dr10.jpg 88 20h 52.4m−05° 454 NGC 6978, NGC 6976, NGC 6977, MCG-01-53-014In Aquarius
HCG 89 legacy dr10.jpg 89 21h 20.2m−03° 544MCG-01-54-012, PGC 66574, PGC 66575, PGC 66580In Aquarius
HCG 90HST.jpg 90 22h 02m 06.3s−31° 55 484 NGC 7173, NGC 7174, NGC 7176, and NGC 7172 In Piscis Austrinus, also called NGC 7176 Group
91 22h 09m 00.8s−27° 47 364 NGC 7214, ESO 467-15, ESO 467-13, HCG 91dIn Piscis Austrinus, also called VV 700 Group
Stephan's Quintet Hubble 2009.full denoise.jpg 92 22h 35m 57.5s+33° 57 365 NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C In Pegasus, 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.
HCG 93 legacy dr10.jpg 93 23h 15m 12.2s+18° 59 315 NGC 7547, NGC 7549, NGC 7550, NGC 7553, NGC 7558 In Pegasus
NGC7578 - SDSS DR14.jpg 94 23h 17m 16.5s+18° 43 117 NGC 7578, UGC 12477, PGC 70936, PGC 70937, PGC 70939, PGC 70941, PGC 70943,In Pegasus
NGC7609 - SDSS DR14.jpg 95 23h 19m 32s+09° 29.54 NGC 7609, MCG+01-59-046, PGC 71077, PGC 71080In Pegasus, also called Arp 150 Group and NGC 7609 Group
Hubble Interacting Galaxy NGC 7674 (2008-04-24).jpg 96 23h 27m 58s+08° 46.44 NGC 7674, NGC 7674A, NGC 7675, PGC 71507In Pegasus, immediately north of HD 220965
HCG 97 legacy dr10.jpg 97 23h 47m 24.0s−02° 19 085 IC 5351, IC 5352, IC 5356, IC 5357, IC 5359 In Pisces, northnorthwest of 20 Piscium
HCG 98 legacy dr10.jpg 98 23h 54.2m+00° 224 NGC 7783, MCG+00-60-059, PGC 72810, NGC 7783 CIn Pisces. In 2019 a giant tidal tail and a large envelope was discovered around HCG 98 with the Wise Observatory [7]
HCG 99 legacy dr10.jpg 99 00h 00m 43s+28° 23.74UGC 12897, UGC 12899, MCG+05-01-021, PGC 60, PGC 57In Pegasus, west of HD 224895
HCG 100 legacy dr10.jpg 100 00h 01.3m+13° 074 NGC 7803, Mrk 934, MCG+02-01-009, MCG+02-01-010In Pegasus

See also

References

  1. Hickson, Paul (1982). "Systematic properties of compact groups of galaxies". Astrophysical Journal. 255: 382–391. Bibcode:1982ApJ...255..382H. doi:10.1086/159838.
  2. "Compact Groups of Galaxies" . Retrieved 23 October 2006.
  3. 1 2 "HCG". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 8 March 2017.
  4. Hickson, P. (1982). "Systematic properties of compact groups of galaxies". Astrophysical Journal. 255: Part 1, 382–391. Bibcode:1982ApJ...255..382H. doi:10.1086/159838.
  5. "Anne's Picture of the Day: Hickson Compact Group 7". Anne's Astronomy News. 27 December 2012.
  6. "Hubble views a bizarre cosmic quartet". Space Daily. 22 June 2015.
  7. Brosch, Noah; Koriski, Shuki; Rich, R. Michael; Mosenkov, Alexandr V. (1 January 2019). "Hickson Compact Group 98: a complex merging group with a giant tidal tail and a humongous envelope". Monthly Notices of the Royal Astronomical Society. 482 (2): 2284–2293. Bibcode:2019MNRAS.482.2284B. doi: 10.1093/mnras/sty2717 . ISSN   0035-8711.
  8. "A fossil in the making". ESA/Hubble Picture of the Week. Retrieved 3 July 2014.
  9. "A members-only galaxy club". ESA/Hubble Picture of the Week. Retrieved 10 December 2013.

Further reading