List of Abell clusters

Short description: none

Abell 2744 galaxy cluster – Hubble Frontier Fields view (7 January 2014).[1] Abell 383, the giant cluster of elliptical galaxies in the centre of this image, contains so great a mass of dark matter that its gravity bends the light from a background object into an arc, a phenomenon known as strong gravitational lensing.

The Abell catalogue is a catalogue of approximately 4,000 galaxy clusters with at least 30 members, almost complete to a redshift of z = 0.2. It was originally compiled by the American astronomer George O. Abell in 1958 using plates from POSS, and extended to the southern hemisphere by Abell, Corwin and Olowin in 1987. The name "Abell" is also commonly used as a designation for objects he compiled in a catalogue of 86 planetary nebulae in 1966. The proper designation for the galaxy clusters is ACO, as in "ACO 13", while the planetary-nebula designation is the single letter A, as in "A 39".

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## Contents

* 1 1–1999
* 2 2000–4076
* 3 Southern catalogue S1–S1174
* 4 See also
* 5 References
* 6 External links

## 1–1999

ACO catalog number | Other names  | Member of  | Constellation | Right ascension (J2000)[2] | Declination (J2000)[2] | Abell richness class[2][3] | Bautz–Morgan type[2][3] | Notes

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13  |  |  |  |  00h 13m 38.5s | −19° 30′ 19″ | 2  | II  | ACO 13 is not to be confused with Abell 13, a planetary nebula
85  |  |  |  |  00h 41m 37.8s | −09° 20′ 33″ | 1  | I  |
133 |  |  | Cetus  |  01h 02m 39.0s | −21° 57′ 15″ | 0  |  |
209 |  |  | Cetus  |  01h 31m 53s | −13° 36′ 34″ | 3  | II-III  |
222 |  |  | Cetus  |  01h 37m 29.2s | −12° 59′ 10″ | 3  | II-III  |
223 |  |  | Cetus  |  01h 37m 56.4s | −12° 48′ 01″ | 3  | III  |
226  |  |  |  |  01h 38m 58.7s | −10° 14′ 47″ | 1  | II  |
262 |  | Perseus–Pisces Supercluster | Between Andromeda and Triangulum |  01h 52m 50.4s | +36° 08′ 46″ | 0  | III  |
263  |  |  |  |  01h 53m 21.7s | +37° 33′ 45″ | 1  |  |
370 |  |  | Cetus  |  02h 39m 50.5s | −01° 35′ 08″ | 0  | II-III  | Exhibits gravitational lensing. The most distant Abell object, at a redshift of 0.375.
383 |  |  | Eridanus |  02h 48m 07.0s | −03° 29′ 32″ | 2  | II-III  |
400 |  |  | Cetus  |  02h 57m 38.6s | +06° 02′ 00″ | 1  | II-III  |
401  |  |  | Aries |  02h 58m 57.0s | +13° 34′ 56″ | 2  | I  |
426 | Perseus Cluster | Perseus–Pisces Supercluster | Perseus |  03h 18m 36.4s | +41° 30′ 54″ | 2  | II-III  |
478 |  |  | Taurus |  04h 13m 20.7s | +10° 28′ 35″ | 2  |  |
514  |  |  |  |  04h 47m 40.1s | −20° 25′ 44″ | 1  | II-III  |
520 | Train Wreck Cluster |  | Orion |  04h 54m 19.0s | +02° 56′ 49″ | 3  | III  |
553  |  |  |  |  06h 12m 37.5s | +48° 36′ 13″ | 0  | II  |
569 |  |  | Lynx |  07h 09m 10.4s | +48° 37′ 10″ | 0  | II  |
576 |  |  | Lynx |  07h 21m 24.2s | +55° 44′ 20″ | 1  | III  |
653  |  |  | Hydra |  08h 21m 47.0s | +01° 13′ 23″ | 1  |  |
665 |  |  | Ursa Major |  08h 30m 45.2s | +65° 52′ 55″ | 5  | III  | The only Abell cluster of richness class 5.[4]
671 |  |  | Cancer |  08h 28m 29.3s | +03° 25′ 01″ | 0  | II-III  |
689  |  |  | Cancer |  08h 37m 29.7s | +14° 59′ 29″ | 0  |  |
754 |  |  | Hydra |  09h 08m 50.1s | −09° 38′ 12″ | 2  | I-II  |
779  |  |  | Lynx |  09h 19m 9s | +33° 46′ |  |  |
901  |  |  |  |  09h 56m 09.7s | −09° 56′ 17″ | 1  |  |
907 |  |  | Hydra |  09h 58m 21.2s | −11° 03′ 22″ | 1  |  |
955  |  |  |  |  10h 12m 56.0s | −24° 26′ 53″ | 1  |  |
966  |  |  |  |  10h 16m 13.8s | −25° 22′ 59″ | 1  | III  |
1060 | Hydra Cluster |  | Hydra |  10h 36m 51.3s | −27° 31′ 35″ | 1  | III  |
1142  |  | Leo Supercluster |  |  11h 00m 51.4s | +10° 31′ 46″ |  |  |
1146 |  |  | Crater |  11h 01m 20.6s | −22° 43′ 08″ | 4  | I  |
1185 |  | Leo Supercluster | Ursa Major |  11h 10m 31.4s | +28° 43′ 39″ | 1  | II  |
1367 | Leo Cluster |  | Leo |  11h 44m 29.5s | +19° 50′ 21″ | 2  | II-III  |
1413 |  |  | Between Leo and Coma Berenices |  11h 55m 18.9s | +23° 24′ 31″ | 3  | I  | Contains an extremely large cD galaxy.
1631  |  |  | Corvus |  12h 52m 49.8s | −15° 26′ 17″ | 0  | I  |
1656 | Coma Cluster |  | Coma Berenices |  12h 59m 48.7s | +27° 58′ 50″ | 2  | II  |
1689 |  |  | Virgo |  13h 11m 29.5s | −01° 20′ 17″ | 4  | II-III  | One of the biggest and most massive galaxy clusters known; exhibits gravitational lensing.
1795 |  |  | Boötes |  13h 49m 00.5s | +26° 35′ 07″ | 2  | I  |
1835 |  |  | Virgo |  14h 01m 02.0s | +02° 51′ 32″ | 0  |  | Behind it lies a candidate for the furthest known galaxy, "Galaxy Abell 1835 IR1916", seen through gravitational lensing.
1914  |  |  | Boötes |  14h 26m 03.0s | +37° 49′ 32″ | 2  | II  |
1991 |  |  | Boötes |  14h 54m 30.2s | +18° 37′ 51″ | 1  | I  |

## 2000–4076

ACO catalog number | Other names  | Member of  | Constellation | Right ascension (J2000)  | Declination (J2000)  | Abell richness class | Bautz–Morgan type  | Notes

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2029 |  |  | Virgo |  15h 10m 56.0s | +05° 44′ 41″ | 2  | I  | Near the Serpens–Virgo border.
2052  |  |  |  |  15h 16m 45.5s | +07° 00′ 01″ | 0  | I-II  |
2061 |  | Corona Borealis Supercluster | Corona Borealis |  15h 21m 15.3s | +30° 39′ 17″ | 1  | III  |
2063  |  | Hercules Superclusters |  |  15h 23m 05.3s | +08° 36′ 33″ |  |  |
2065 | Corona Borealis Cluster  | Corona Borealis Supercluster | Corona Borealis |  15h 22m 42.6s | +27° 43′ 21″ | 2  | III  |
2067 |  | Corona Borealis Supercluster | Corona Borealis |  15h 23m 14s | +30° 54′ 23″ | 1  | III  |
2079  |  | Corona Borealis Supercluster | Corona Borealis |  15h 28m 04.7s | +28° 52′ 40″ |  |  |
2089  |  | Corona Borealis Supercluster | Corona Borealis |  15h 32m 41.3s | +28° 00′ 56″ |  |  |
2092  |  | Corona Borealis Supercluster | Corona Borealis |  15h 33m 17.0s | +31° 08′ 55″ |  |  |
2107  |  | Hercules Superclusters |  |  15h 39m 39.0s | +21° 46′ 58″ |  |  |
2124  |  |  | Corona Borealis |  15h 44m 59s | +36° 04′ | 1  | I  |
2142 |  |  | Corona Borealis |  15h 58m 16.1s | +27° 13′ 29″ | 2  | II  | A merger of two huge galaxy clusters.
2147 |  | Hercules Superclusters | Serpens |  16h 02m 17.2s | +15° 53′ 43″ | 1  | III  |
2151 | Hercules Cluster | Hercules Superclusters | Hercules |  16h 05m 15.0s | +17° 44′ 55″ | 2  | III  | Major component of the Hercules Superclusters.
2152 |  | Hercules Superclusters |  |  16h 05m 22.4s | +16° 26′ 55″ | 1  | III  | The smaller part of the Hercules supercluster, Lx ≤ 3 x 1044 ergs/s.[5]
2162 |  | Hercules Superclusters | Corona Borealis |  16h 12m 30.0s | +29° 32′ 23″ |  |  |
2163 |  |  | Ophiuchus |  16h 15m 34.1s | −06° 07′ 26″ | 2  |  |
2199 |  | Hercules Superclusters | Hercules |  16h 28m 38.5s | +39° 33′ 06″ | 2  | I  |
2200  |  |  | Hercules |  16h 29m 24.7s | +28° 10′ 30″ | 0  |  |
2218 |  |  | Draco |  16h 35m 54.0s | +66° 13′ 00″ | 4  | II  | Exhibits gravitational lensing.
2256 |  |  | Ursa Minor |  17h 03m 43.5s | +78° 43′ 03″ | 2  | II-III  |
2261 |  |  | Hercules |  17h 22m 28.34s | +32° 09′ 12.67″ |  | I  | Part of the Cluster Lensing and Supernova survey with Hubble (CLASH) survey.
2319  |  |  | Cygnus |  19h 20m 45.3s | +43° 57′ 43″ | 1  | II-III  | Very close to, and possibly extending into, Lyra.
2384  |  |  | Capricornus |  21h 52m 18.9s | −19° 34′ 42″ | 1  | II-III  |
2390 |  |  | Pegasus |  21h 53m 34.6s | +17° 40′ 11″ | 1  |  |
2440  |  |  |  |  22h 23m 52.6s | −01° 35′ 47″ | 0  | II  |
2515 |  |  | Pegasus | 23h 00m 40.9s  | +31° 09' 52"  | 3  | II  |
2589  |  |  | Pegasus |  23h 24m 00.5s | +16° 49′ 29″ | 0  | I  |
2666  |  |  |  |  23h 50m 56.2s | +27° 08′ 41″ | 0  | I  |
2667 |  |  | Sculptor |  23h 51m 47.1s | −26° 00′ 18″ | 3  | I  | Exhibits strong gravitational lensing.
2744 | Pandora's Cluster |  | Sculptor |  00h 14m 19.5s | −30° 23′ 19″ | 3  | III  | It seems to have formed from four different clusters involved in a series of collisions over a period of some 350 million years.[6]
3128  | Shapley 20 Cluster  | Horologium Supercluster |  |  03h 30m 34.6s | −52° 33′ 12″ | 3  | I-II  |
3158  | Shapley 17 Cluster  | Horologium Supercluster |  |  03h 42m 39.6s | −53° 37′ 50″ | 2  | I-II  |
3192  | MCS/MACS J0358.8-2955  |  | Eridanus |  |  |  |  | Comprises such a huge amount of mass that the galaxy cluster noticeably curves spacetime around it, making it into a gravitational lens. Smaller galaxies behind the cluster appear distorted into long, warped arcs around the cluster’s edges.[7]
3266 |  | Horologium Supercluster | Reticulum |  04h 31m 11.9s | −61° 24′ 23″ | 2  | I-II  |
3341  |  |  |  |  05h 25m 35.1s | −31° 35′ 26″ | 2  | II  |
3363  |  |  |  |  05h 45m 07.8s | −47° 56′ 52″ | 3  | I  |
3526 | Centaurus Cluster | Hydra–Centaurus Supercluster | Centaurus |  12h 48m 51.8s | −41° 18′ 21″ | 0  | I-II  |
3558  | Shapley 8 Cluster  | Shapley Supercluster |  |  13h 27m 54.8s | −31° 29′ 32″ | 4  | I  |
3562  |  | Shapley Supercluster |  |  13h 33m 31.8s | −31° 40′ 23″ | 2  | I  |
3565  |  | Hydra–Centaurus Supercluster |  |  13h 36m 39.9s | −33° 58′ 17″ | 1  | I  |
3574  |  | Hydra–Centaurus Supercluster |  |  13h 49m 09.4s | −30° 17′ 54″ | 0  | I  |
3581  |  | Hydra–Centaurus Supercluster |  |  14h 07m 27.5s | −27° 01′ 15″ | 0  | I  |
3627 | Norma Cluster |  | Norma |  16h 15m 32.8s | −60° 54′ 30″ | 1  | I  |
3667  |  |  | Pavo |  20h 12m 31s | −56° 49′ 55″ | 2  | I-II  | 10^15 solar masses, bright X-ray source, paired radio relics, likely result of cluster merger
3677  |  |  | Microscopium |  20h 26m 21s | −33° 21′ 06″ |  |  | possible member of Microscopium Supercluster
3693  |  |  | Microscopium |  20h 34m 22s | −34° 29′ 40″ |  |  | possible member of Microscopium Supercluster
3695  |  | Microscopium Supercluster | Microscopium |  20h 34m 48s | −35° 49′ 39″ |  |  | gravitationally bound to Abell 3696
3696  |  | Microscopium Supercluster | Microscopium |  20h 35m 10s | −34° 54′ 36″ |  |  | gravitationally bound to Abell 3695
3705  |  |  | Microscopium |  20h 41m 42s | −35° 14′ 00″ |  |  | possible member of Microscopium Supercluster
3854  |  |  |  |  22h 17m 42.9s | −35° 42′ 58″ | 3  | II  |
4059  |  |  |  |  23h 56m 40.7s | −34° 40′ 18″ | 1  | I  |

## Southern catalogue S1–S1174

ACO catalog number | Other names  | Member of  | Constellation | Right ascension (J2000)  | Declination (J2000)  | Abell richness class | Bautz–Morgan type  | Notes

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S636 | Antlia Cluster | Hydra–Centaurus Supercluster | Antlia |  10h 30m 03.5s | −35° 19′ 24″ | 0  | I-II  |
S740 |  |  | Centaurus  |  13h 43m 32.3s | −38° 11′ 05″ | 0  | I-II  |
S1077 |  |  | Piscis Austrinus |  22h 58m 52.3s | −34° 46′ 55″ | 2  | II-III  |

## See also

* Lists of astronomical objects
* List of galaxy groups and clusters

## References

1. ↑ Clavin, Whitney; Jenkins, Ann; Villard, Ray (7 January 2014). "NASA's Hubble and Spitzer Team up to Probe Faraway Galaxies". NASA. http://www.jpl.nasa.gov/news/news.php?release=2014-007.
2. ↑ 2.0 2.1 2.2 2.3 "NASA/IPAC Extragalactic Database". NASA/IPAC Extragalactic Database (NED). http://ned.ipac.caltech.edu/.
3. ↑ 3.0 3.1 "The VizieR Catalogue Service". Strasbourg Astronomical Observatory, UdS/CNRS, Strasbourg, France. http://vizier.u-strasbg.fr/cgi-bin/VizieR-2?-source=VII/110A.
4. ↑ Abell, George O.; Corwin, Harold G. Jr.; Olowin, Ronald P. (May 1989). "A catalog of rich clusters of galaxies" (PDF). Astrophysical Journal Supplement Series 70 (May 1989): 1–138. doi:10.1086/191333. ISSN 0067-0049. Bibcode: 1989ApJS...70....1A. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1989ApJS...70....1A&page_ind=0&epage_ind=137&type=PRINTER&data_type=PDF_HIGH&email=&emailsize=500&emailsplit=YES&send=GET&verified=YES. Retrieved March 16, 2012.
5. ↑ "Low energy X-ray emission from five galaxy cluster sources". Astrophys. J. 247: 803–12. Aug 1981. doi:10.1086/159092. Bibcode: 1981ApJ...247..803R.
6. ↑ ESO-A Galactic Crash Investigation
7. ↑ NASA: Hubble Views a Double Cluster of Glowing Galaxies

## External links

* Abell's 1958 paper and catalog
* Abell, Corwin and Olowin's 1989 paper and catalog
* Electronic form of the Abell catalog

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