1516:
45:
1478:
1490:
373:
283:
279:
all having a diameter of about 150,000 light-years. In spite of a nearly circular appearance on the sky, there is evidence in the galaxy velocities for a clumpy, three-dimensional distribution.
1300:
50:
605:
24:
1553:
1347:
680:
675:
670:
665:
660:
650:
645:
640:
635:
630:
997:
20:
58:
1592:
336:
730:
598:
1413:
1332:
1546:
713:
254:
28:
311:
1587:
567:
132:
559:
1418:
591:
551:
563:
555:
547:
543:
1597:
1145:
71:
1539:
446:
1315:
1433:
1388:
1255:
1196:
1092:
785:
780:
753:
1034:
1114:
812:
1337:
1577:
1398:
1310:
1305:
1211:
1107:
1065:
775:
748:
575:
1393:
1378:
1357:
1325:
984:
972:
967:
881:
846:
817:
807:
1582:
1572:
896:
795:
152:
1458:
1423:
1320:
1022:
242:
85:
1453:
1403:
1238:
1150:
886:
770:
706:
614:
496:
388:
158:
571:
8:
1216:
1124:
1055:
962:
947:
822:
262:
500:
392:
1527:
1448:
1443:
1428:
1383:
1352:
1223:
1060:
1012:
1002:
1489:
1481:
1463:
1438:
1408:
1287:
1129:
1119:
1102:
863:
829:
790:
743:
406:
344:
68:
464:
1493:
1295:
1270:
1250:
1245:
1233:
1087:
908:
841:
504:
396:
162:
1342:
1265:
957:
930:
901:
853:
699:
622:
369:
213:
122:
92:
1523:
1206:
1039:
942:
937:
891:
834:
231:
1566:
1362:
1228:
1191:
925:
913:
765:
760:
480:
410:
273:
239:
200:
79:
1260:
1201:
1186:
1017:
802:
441:
1515:
1275:
1165:
1155:
952:
918:
858:
738:
250:
104:
44:
583:
1160:
1097:
246:
1170:
509:
484:
401:
276:
269:
265:
235:
142:
54:
528:
539:
527:
Wehner, Elizabeth M. H. and Harris, William E. (10 August 2006)
1007:
992:
722:
1080:
1075:
1070:
1027:
258:
691:
451:
186:
282:
196:
372:; Corwin, Harold G. Jr.; Olowin, Ronald P. (May 1989).
49:Central region of Abell 1060 (Hydra Cluster) with
440:Nemiroff, R.; Bonnell, J., eds. (16 April 2001).
368:
1564:
478:
439:
1547:
1348:List of the most distant astronomical objects
707:
599:
1554:
1540:
714:
700:
606:
592:
43:
1522:This galaxy-cluster-related article is a
613:
508:
400:
16:Galaxy cluster in the constellation Hydra
485:"Dynamics of the Hydra I Galaxy Cluster"
374:"A catalog of rich clusters of galaxies"
337:"National Optical Astronomy Observatory"
281:
249:and has an unusually high proportion of
381:Astrophysical Journal Supplement Series
1565:
245:. The cluster spans about ten million
695:
587:
364:
362:
306:
304:
302:
300:
261:. The cluster's largest galaxies are
257:located 158 million light-years from
1510:
530:UCD candidates in the Hydra Cluster
329:
13:
521:
359:
312:"NASA/IPAC Extragalactic Database"
297:
14:
1609:
1514:
1488:
1477:
1476:
442:"The Hydra Cluster of Galaxies"
1419:Galaxy formation and evolution
1414:Galaxy colorâmagnitude diagram
472:
458:
433:
424:
1:
290:
253:. The cluster is part of the
1593:Hydra-Centaurus Supercluster
1526:. You can help Knowledge by
721:
469:An Atlas of the Universe.com
447:Astronomy Picture of the Day
255:HydraâCentaurus Supercluster
29:HydraâCentaurus Supercluster
7:
1301:Galaxies named after people
133:BautzâMorgan classification
10:
1614:
1509:
1434:Gravitational microlensing
1389:Galactic coordinate system
18:
1472:
1371:
1286:
1179:
1138:
1048:
983:
874:
729:
621:
489:The Astrophysical Journal
234:that contains 157 bright
212:
207:
184:
151:
141:
131:
121:
113:
103:
91:
78:
66:
42:
37:
1399:Galactic magnetic fields
1212:Brightest cluster galaxy
1108:Luminous infrared galaxy
533:. ArXiv.org. ApL Letters
109:â12° 05′
19:Not to be confused with
1394:Galactic habitable zone
1379:Extragalactic astronomy
968:Supermassive black hole
882:Active galactic nucleus
53:. The bright stars are
1588:Abell richness class 1
1146:Low surface brightness
897:Central massive object
466:The Hydra Supercluster
430:Wehner and Harris, p.1
316:Results for Abell 2151
287:
286:A map of Hydra cluster
1424:Galaxy rotation curve
615:Astronomical catalogs
538:The Hydra Cluster on
285:
1598:Galaxy cluster stubs
1459:Population III stars
1454:Intergalactic travel
1404:Galactic orientation
1271:Voids and supervoids
147:0.0548 (16,452 km/s)
1449:Intergalactic stars
1338:Large quasar groups
1333:Groups and clusters
1197:Groups and clusters
1056:Lyman-alpha emitter
948:Interstellar medium
576:Articles and images
501:1988ApJ...335...18F
479:Fitchett, Michael;
393:1989ApJS...70....1A
387:(May 1989): 1â138.
263:elliptical galaxies
238:, appearing in the
1444:Intergalactic dust
1429:Gravitational lens
1384:Galactic astronomy
1353:Starburst galaxies
1093:blue compact dwarf
1049:Energetic galaxies
1013:BL Lacertae object
288:
208:Other designations
114:Number of galaxies
67:Observation data (
57:(middle left) and
1535:
1534:
1504:
1503:
1464:Galaxy X (galaxy)
1439:Illustris project
1409:Galactic quadrant
1130:Wolf-Rayet galaxy
1120:Green bean galaxy
1115:Hot dust-obscured
1066:Luminous infrared
830:Elliptical galaxy
689:
688:
483:(December 1988).
220:
219:
179:
1605:
1556:
1549:
1542:
1518:
1511:
1492:
1480:
1479:
1125:Hanny's Voorwerp
1035:Relativistic jet
909:Dark matter halo
716:
709:
702:
693:
692:
608:
601:
594:
585:
584:
515:
514:
512:
476:
470:
462:
456:
455:
437:
431:
428:
422:
421:
419:
417:
404:
378:
370:Abell, George O.
366:
357:
356:
354:
352:
347:on 15 March 2016
343:. Archived from
333:
327:
326:
324:
322:
308:
194:
180:
178:
177:
170:
99:
47:
35:
34:
1613:
1612:
1608:
1607:
1606:
1604:
1603:
1602:
1578:Galaxy clusters
1563:
1562:
1561:
1560:
1507:
1505:
1500:
1468:
1367:
1282:
1175:
1134:
1044:
979:
958:Galaxy filament
902:Galactic Center
870:
725:
720:
690:
685:
617:
612:
581:
524:
522:Related reading
519:
518:
477:
473:
463:
459:
438:
434:
429:
425:
415:
413:
376:
367:
360:
350:
348:
335:
334:
330:
320:
318:
310:
309:
298:
293:
192:
176:
173:
172:
171:
166:
97:
93:Right ascension
62:
31:
17:
12:
11:
5:
1611:
1601:
1600:
1595:
1590:
1585:
1580:
1575:
1559:
1558:
1551:
1544:
1536:
1533:
1532:
1519:
1502:
1501:
1499:
1498:
1486:
1473:
1470:
1469:
1467:
1466:
1461:
1456:
1451:
1446:
1441:
1436:
1431:
1426:
1421:
1416:
1411:
1406:
1401:
1396:
1391:
1386:
1381:
1375:
1373:
1369:
1368:
1366:
1365:
1360:
1355:
1350:
1345:
1340:
1335:
1330:
1329:
1328:
1323:
1318:
1313:
1308:
1303:
1292:
1290:
1284:
1283:
1281:
1280:
1279:
1278:
1268:
1263:
1258:
1256:Stellar stream
1253:
1248:
1243:
1242:
1241:
1236:
1231:
1221:
1220:
1219:
1214:
1209:
1204:
1194:
1189:
1183:
1181:
1177:
1176:
1174:
1173:
1168:
1163:
1158:
1153:
1148:
1142:
1140:
1136:
1135:
1133:
1132:
1127:
1122:
1117:
1112:
1111:
1110:
1105:
1100:
1095:
1085:
1084:
1083:
1078:
1073:
1063:
1058:
1052:
1050:
1046:
1045:
1043:
1042:
1037:
1032:
1031:
1030:
1025:
1015:
1010:
1005:
1000:
995:
989:
987:
981:
980:
978:
977:
976:
975:
965:
960:
955:
950:
945:
943:Galactic ridge
940:
938:Galactic plane
935:
934:
933:
923:
922:
921:
911:
906:
905:
904:
894:
889:
884:
878:
876:
872:
871:
869:
868:
867:
866:
856:
851:
850:
849:
839:
838:
837:
827:
826:
825:
820:
815:
810:
800:
799:
798:
793:
788:
783:
778:
773:
768:
758:
757:
756:
751:
741:
735:
733:
727:
726:
719:
718:
711:
704:
696:
687:
686:
684:
683:
678:
673:
668:
663:
658:
653:
648:
643:
638:
633:
627:
625:
619:
618:
611:
610:
603:
596:
588:
579:
578:
536:
534:
523:
520:
517:
516:
510:10.1086/166902
481:Merritt, David
471:
457:
432:
423:
402:10.1086/191333
358:
328:
295:
294:
292:
289:
232:galaxy cluster
218:
217:
210:
209:
205:
204:
189:
182:
181:
174:
155:
149:
148:
145:
139:
138:
135:
129:
128:
125:
123:Richness class
119:
118:
115:
111:
110:
107:
101:
100:
95:
89:
88:
83:
76:
75:
64:
63:
51:legacy surveys
48:
40:
39:
15:
9:
6:
4:
3:
2:
1610:
1599:
1596:
1594:
1591:
1589:
1586:
1584:
1583:Abell objects
1581:
1579:
1576:
1574:
1573:Hydra Cluster
1571:
1570:
1568:
1557:
1552:
1550:
1545:
1543:
1538:
1537:
1531:
1529:
1525:
1520:
1517:
1513:
1512:
1508:
1497:
1496:
1491:
1487:
1485:
1484:
1475:
1474:
1471:
1465:
1462:
1460:
1457:
1455:
1452:
1450:
1447:
1445:
1442:
1440:
1437:
1435:
1432:
1430:
1427:
1425:
1422:
1420:
1417:
1415:
1412:
1410:
1407:
1405:
1402:
1400:
1397:
1395:
1392:
1390:
1387:
1385:
1382:
1380:
1377:
1376:
1374:
1370:
1364:
1361:
1359:
1358:Superclusters
1356:
1354:
1351:
1349:
1346:
1344:
1341:
1339:
1336:
1334:
1331:
1327:
1324:
1322:
1319:
1317:
1314:
1312:
1309:
1307:
1304:
1302:
1299:
1298:
1297:
1294:
1293:
1291:
1289:
1285:
1277:
1274:
1273:
1272:
1269:
1267:
1264:
1262:
1261:Superclusters
1259:
1257:
1254:
1252:
1249:
1247:
1244:
1240:
1237:
1235:
1232:
1230:
1227:
1226:
1225:
1222:
1218:
1215:
1213:
1210:
1208:
1205:
1203:
1200:
1199:
1198:
1195:
1193:
1192:Galactic tide
1190:
1188:
1185:
1184:
1182:
1178:
1172:
1169:
1167:
1164:
1162:
1159:
1157:
1154:
1152:
1151:Ultra diffuse
1149:
1147:
1144:
1143:
1141:
1137:
1131:
1128:
1126:
1123:
1121:
1118:
1116:
1113:
1109:
1106:
1104:
1101:
1099:
1096:
1094:
1091:
1090:
1089:
1086:
1082:
1079:
1077:
1074:
1072:
1069:
1068:
1067:
1064:
1062:
1059:
1057:
1054:
1053:
1051:
1047:
1041:
1038:
1036:
1033:
1029:
1026:
1024:
1021:
1020:
1019:
1016:
1014:
1011:
1009:
1006:
1004:
1001:
999:
996:
994:
991:
990:
988:
986:
985:Active nuclei
982:
974:
971:
970:
969:
966:
964:
961:
959:
956:
954:
951:
949:
946:
944:
941:
939:
936:
932:
929:
928:
927:
924:
920:
917:
916:
915:
912:
910:
907:
903:
900:
899:
898:
895:
893:
890:
888:
885:
883:
880:
879:
877:
873:
865:
862:
861:
860:
857:
855:
852:
848:
845:
844:
843:
840:
836:
833:
832:
831:
828:
824:
821:
819:
816:
814:
811:
809:
806:
805:
804:
801:
797:
794:
792:
789:
787:
784:
782:
779:
777:
774:
772:
769:
767:
764:
763:
762:
759:
755:
752:
750:
747:
746:
745:
742:
740:
737:
736:
734:
732:
728:
724:
717:
712:
710:
705:
703:
698:
697:
694:
682:
679:
677:
674:
672:
669:
667:
664:
662:
659:
657:
654:
652:
649:
647:
644:
642:
639:
637:
634:
632:
629:
628:
626:
624:
620:
616:
609:
604:
602:
597:
595:
590:
589:
586:
582:
577:
573:
569:
565:
561:
557:
553:
549:
545:
541:
537:
535:
532:
531:
526:
525:
511:
506:
502:
498:
494:
490:
486:
482:
475:
468:
467:
461:
453:
449:
448:
443:
436:
427:
412:
408:
403:
398:
394:
390:
386:
382:
375:
371:
365:
363:
346:
342:
338:
332:
317:
313:
307:
305:
303:
301:
296:
284:
280:
278:
275:
274:spiral galaxy
271:
267:
264:
260:
256:
252:
248:
244:
241:
240:constellation
237:
233:
229:
225:
224:Hydra Cluster
215:
211:
206:
202:
198:
190:
188:
183:
169:
164:
160:
156:
154:
150:
146:
144:
140:
136:
134:
130:
126:
124:
120:
116:
112:
108:
106:
102:
96:
94:
90:
87:
84:
81:
80:Constellation
77:
73:
70:
65:
60:
56:
52:
46:
41:
38:Hydra Cluster
36:
33:
30:
26:
22:
1528:expanding it
1521:
1506:
1494:
1482:
1217:fossil group
1139:Low activity
973:Ultramassive
803:Dwarf galaxy
786:intermediate
781:grand design
655:
580:
529:
492:
488:
474:
465:
460:
445:
435:
426:
414:. Retrieved
384:
380:
349:. Retrieved
345:the original
340:
331:
319:. Retrieved
315:
227:
223:
221:
199:s cm (0.5â2
167:
161:(190.1
32:
1276:void galaxy
1239:cannibalism
1224:Interacting
1180:Interaction
1166:Blue Nugget
1156:Dark galaxy
1061:Lyman-break
953:Protogalaxy
919:Disc galaxy
251:dark matter
247:light-years
105:Declination
25:CL0855+0321
1567:Categories
1316:Polar-ring
1161:Red nugget
1103:faint blue
963:Spiral arm
818:spheroidal
808:elliptical
791:Magellanic
776:flocculent
744:Lenticular
731:Morphology
681:Abell 1065
676:Abell 1064
671:Abell 1063
666:Abell 1062
661:Abell 1061
656:Abell 1060
651:Abell 1059
646:Abell 1058
641:Abell 1057
636:Abell 1056
631:Abell 1055
568:Astrophoto
560:Hydrogen α
291:References
228:Abell 1060
157:58.3
1251:Satellite
1246:Jellyfish
1234:collision
1171:Dead disk
1088:Starburst
1003:Markarian
875:Structure
842:Irregular
813:irregular
495:: 18â34.
411:0067-0049
27:) or the
21:Abell 732
1483:Category
1372:See also
1296:Galaxies
1023:X-shaped
854:Peculiar
796:unbarred
754:unbarred
723:Galaxies
416:12 March
341:Galaxies
277:NGC 3312
272:and the
270:NGC 3311
266:NGC 3309
236:galaxies
153:Distance
143:Redshift
98:09 18.0
61:(bottom)
59:HD 91964
55:HD 92036
1343:Quasars
1311:Nearest
1306:Largest
1207:cluster
1040:Seyfert
572:Sky Map
540:WikiSky
497:Bibcode
389:Bibcode
351:19 July
321:13 June
230:) is a
1495:Portal
1326:Spiral
1229:merger
1008:Quasar
993:Blazar
931:corona
847:barred
823:spiral
771:barred
766:anemic
761:Spiral
749:barred
409:
185:X-ray
1363:Voids
1288:Lists
1266:Walls
1202:group
1187:Field
1081:ELIRG
1076:HLIRG
1071:ULIRG
1028:DRAGN
1018:Radio
998:LINER
892:Bulge
864:Polar
623:Abell
564:X-Ray
552:GALEX
377:(PDF)
259:Earth
243:Hydra
214:Abell
175:0.705
86:Hydra
72:J2000
69:Epoch
1524:stub
1321:Ring
926:Halo
914:Disc
859:Ring
739:Disc
556:IRAS
548:SDSS
544:DSS2
452:NASA
418:2012
407:ISSN
353:2007
323:2013
268:and
226:(or
222:The
216:1060
187:flux
1098:pea
887:Bar
505:doi
493:335
397:doi
201:keV
197:erg
195:10
191:6.1
163:Mly
159:Mpc
137:III
117:157
82:(s)
1569::
835:cD
574:,
570:,
566:,
562:,
558:,
554:,
550:,
546:,
542::
503:.
491:.
487:.
450:.
444:.
405:.
395:.
385:70
383:.
379:.
361:^
339:.
314:.
299:^
165:)
1555:e
1548:t
1541:v
1530:.
715:e
708:t
701:v
607:e
600:t
593:v
513:.
507::
499::
454:.
420:.
399::
391::
355:.
325:.
203:)
193:Ă
168:h
127:1
74:)
23:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
