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4C Array

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was moved there in 1957, and needed 64 km (40 mi) of reflector wire (since removed). The 4C operated at 178 MHz (1.7 m), and located nearly 5000 sources of the
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published in 1965 and 1966, which helped establish the evolution of the radio galaxy population of the universe. The telescope is now inoperable.
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One antenna of the One-Mile Telescope (left), two of the Half-Mile Telescope (centre) and the remains of the 4C Array (right) in June 2014
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Detail of the remains of the 4C Array, with antennas of the One-Mile Telescope in the background in June 2014
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This article about a specific observatory, telescope or astronomical instrument is a
23: 240: 200: 187: 415: 321: 334: 393: 17: 356:, near Cambridge, England. It is similar in design to the 427: 269: 249: 239: 221: 179: 163: 145: 447: 8: 128: 52:. Unsourced material may be challenged and 454: 440: 278: 261: 230: 213: 154: 134: 127: 116:Learn how and when to remove this message 358:Molonglo Observatory Synthesis Telescope 379:It is flanked to the northwest by the 493:Astronomical observatories in England 7: 412: 410: 50:adding citations to reliable sources 354:Mullard Radio Astronomy Observatory 150:Mullard Radio Astronomy Observatory 383:enclosure and to the south by the 14: 414: 320: 300: 299: 292: 22: 473:Astronomical observatory stubs 1: 426:. You can help Knowledge by 374:4C (4th Cambridge) catalogue 348:is a cylindrical paraboloid 381:Cosmic Anisotropy Telescope 509: 488:Interferometric telescopes 409: 331: 318: 287: 245:1.7 m (180 MHz) 133: 326:Related media on Commons 226:University of Cambridge 399: 397: 478:Cavendish Laboratory 389:Half-Mile Telescopes 309:Location of 4C Array 270:Telescope style 46:improve this article 197: /  130: 400: 201:52.1641°N 0.0332°E 435: 434: 342: 341: 126: 125: 118: 100: 500: 483:Radio telescopes 456: 449: 442: 418: 411: 335:edit on Wikidata 324: 303: 302: 296: 283: 282: 265: 260: 258: 235: 234: 217: 212: 211: 209: 208: 207: 202: 198: 195: 194: 193: 190: 159: 158: 138: 131: 121: 114: 110: 107: 101: 99: 58: 26: 18: 508: 507: 503: 502: 501: 499: 498: 497: 463: 462: 461: 460: 408: 402: 350:radio telescope 338: 314: 313: 312: 311: 310: 306: 305: 304: 277: 274:radio telescope 256: 254: 229: 206:52.1641; 0.0332 205: 203: 199: 196: 191: 188: 186: 184: 183: 173:East of England 153: 141: 122: 111: 105: 102: 59: 57: 43: 27: 12: 11: 5: 506: 504: 496: 495: 490: 485: 480: 475: 465: 464: 459: 458: 451: 444: 436: 433: 432: 419: 407: 404: 340: 339: 332: 329: 328: 316: 315: 308: 307: 298: 297: 291: 290: 289: 288: 285: 284: 271: 267: 266: 251: 247: 246: 243: 237: 236: 223: 219: 218: 181: 177: 176: 169:Cambridgeshire 165: 161: 160: 147: 143: 142: 139: 124: 123: 30: 28: 21: 13: 10: 9: 6: 4: 3: 2: 505: 494: 491: 489: 486: 484: 481: 479: 476: 474: 471: 470: 468: 457: 452: 450: 445: 443: 438: 437: 431: 429: 425: 420: 417: 413: 405: 403: 396: 392: 390: 386: 382: 377: 375: 371: 367: 366:Lord's Bridge 363: 359: 355: 351: 347: 336: 330: 327: 323: 317: 295: 286: 281: 275: 272: 268: 264: 252: 248: 244: 242: 238: 233: 227: 224: 220: 216: 210: 182: 178: 174: 170: 166: 162: 157: 151: 148: 144: 137: 132: 120: 117: 109: 98: 95: 91: 88: 84: 81: 77: 74: 70: 67: –  66: 62: 61:Find sources: 55: 51: 47: 41: 40: 36: 31:This article 29: 25: 20: 19: 16: 428:expanding it 421: 401: 378: 368:, after the 345: 343: 222:Organization 112: 106:October 2015 103: 93: 86: 79: 72: 60: 44:Please help 32: 15: 370:Observatory 204: / 180:Coordinates 167:Cambridge, 164:Location(s) 467:Categories 406:References 241:Wavelength 189:52°09′51″N 76:newspapers 65:"4C Array" 192:0°02′00″E 175:, England 33:does not 385:One-Mile 346:4C Array 129:4C Array 352:at the 255: ( 146:Part of 90:scholar 54:removed 39:sources 319:  276:  228:  152:  92:  85:  78:  71:  63:  362:COAST 333:[ 257:1958– 253:1958– 250:Built 97:JSTOR 83:books 424:stub 387:and 344:The 69:news 37:any 35:cite 48:by 469:: 391:. 171:, 455:e 448:t 441:v 430:. 337:] 259:) 119:) 113:( 108:) 104:( 94:· 87:· 80:· 73:· 56:. 42:.

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Mullard Radio Astronomy Observatory
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Cambridgeshire
East of England
52°09′51″N 0°02′00″E / 52.1641°N 0.0332°E / 52.1641; 0.0332
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University of Cambridge
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Wavelength
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radio telescope
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4C Array is located in the United Kingdom

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