Knowledge (XXG)

VW Hydri

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systems in the sky. These systems are characterised by frequent eruptions and less frequent supereruptions. The former are smooth, while the latter exhibit short "superhumps" of heightened activity. The white dwarf sucks matter from the other star onto an
143:, 9.0 in normal outbursts and remaining at magnitude 14.4 when quiet. Normal outbursts occur every 27.3 days and last for 1.4 days, while superoutbursts happen 179 days and last for 12.6 days. 292: 821: 173: 265: 792: 347: 34: 561: 556: 826: 785: 372: 226: 221: 499: 367: 778: 710: 700: 517: 356: 81: 718: 656: 816: 340: 301: 235: 136: 101: 163: 754: 391: 27: 762: 309: 239: 811: 739: 333: 57: 305: 132: 805: 419: 140: 44: 615: 587: 454: 479: 449: 439: 414: 409: 399: 123: 104: 70: 597: 551: 489: 484: 444: 434: 429: 424: 404: 314: 287: 127: 115: 96: 592: 579: 474: 469: 325: 695: 633: 535: 530: 464: 459: 674: 669: 664: 628: 623: 525: 37: 30: 194: 714: 704: 647: 168: 119: 88: 49: 257: 690: 95: 382: 118:
of the SU Ursae Majoris type in the deep southern constellation
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and another generally cool star. It is one of the brightest
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Gänsicke, B. T.; Beuermann, K.; Thomas, H.-C. (1997).
683: 655: 646: 614: 578: 544: 516: 498: 390: 381: 293:Monthly Notices of the Royal Astronomical Society 266:American Association of Variable Star Observers 761:This variable star–related article is a 222:"Photometric study of the dwarf nova VW Hydri" 786: 341: 174:Centre de données astronomiques de Strasbourg 8: 793: 779: 652: 611: 575: 387: 348: 334: 326: 75:−71° 17′ 41.3″ 313: 158: 156: 822:Objects with variable star designations 251: 249: 152: 16:Star system in the constellation Hydrus 18: 107:for VW Hydri, plotted from AAVSO data 7: 751: 749: 288:"EK TrA, a close relative of VW HYI" 33:       122:; a star system that consists of a 765:. You can help Knowledge (XXG) by 135:and periodically erupts, reaching 14: 753: 735: 734: 1: 373:Hydrus in Chinese astronomy 843: 748: 562:WISEPC J014807.25−720258.7 227:Astronomy and Astrophysics 732: 610: 574: 363: 24: 368:List of stars in Hydrus 357:Constellation of Hydrus 315:10.1093/mnras/289.2.388 240:1974A&A....36..369V 711:Large Magellanic Cloud 701:Small Magellanic Cloud 108: 99: 256:BSJ (19 July 2010). 827:Variable star stubs 306:1997MNRAS.289..388G 21: 137:apparent magnitude 109: 19: 774: 773: 746: 745: 728: 727: 642: 641: 606: 605: 570: 569: 220:Vogt, N. (1974). 94: 93: 834: 795: 788: 781: 757: 750: 738: 737: 653: 612: 576: 388: 350: 343: 336: 327: 320: 319: 317: 283: 277: 276: 274: 272: 253: 244: 243: 217: 211: 210: 208: 206: 191: 185: 184: 182: 180: 160: 65: 60: 25:Observation data 22: 842: 841: 837: 836: 835: 833: 832: 831: 802: 801: 800: 799: 747: 742: 724: 679: 638: 602: 566: 557:SMSS J0313−6708 540: 512: 494: 377: 359: 354: 324: 323: 285: 284: 280: 270: 268: 255: 254: 247: 219: 218: 214: 204: 202: 195:"Download Data" 193: 192: 188: 178: 176: 162: 161: 154: 149: 63: 58:Right ascension 56: 26: 17: 12: 11: 5: 840: 838: 830: 829: 824: 819: 814: 804: 803: 798: 797: 790: 783: 775: 772: 771: 758: 744: 743: 733: 730: 729: 726: 725: 723: 722: 708: 698: 693: 687: 685: 681: 680: 678: 677: 672: 667: 661: 659: 650: 644: 643: 640: 639: 637: 636: 631: 626: 620: 618: 608: 607: 604: 603: 601: 600: 595: 590: 584: 582: 572: 571: 568: 567: 565: 564: 559: 554: 548: 546: 542: 541: 539: 538: 533: 528: 522: 520: 514: 513: 511: 510: 504: 502: 496: 495: 493: 492: 487: 482: 477: 472: 467: 462: 457: 452: 447: 442: 437: 432: 427: 422: 417: 412: 407: 402: 396: 394: 385: 379: 378: 376: 375: 370: 364: 361: 360: 355: 353: 352: 345: 338: 330: 322: 321: 278: 245: 212: 186: 151: 150: 148: 145: 141:superoutbursts 133:accretion disc 92: 91: 85: 77: 76: 73: 67: 66: 61: 53: 52: 47: 41: 40: 15: 13: 10: 9: 6: 4: 3: 2: 839: 828: 825: 823: 820: 818: 815: 813: 810: 809: 807: 796: 791: 789: 784: 782: 777: 776: 770: 768: 764: 759: 756: 752: 741: 731: 720: 716: 712: 709: 706: 702: 699: 697: 694: 692: 689: 688: 686: 682: 676: 673: 671: 668: 666: 663: 662: 660: 658: 654: 651: 649: 645: 635: 632: 630: 627: 625: 622: 621: 619: 617: 616:Star clusters 613: 609: 599: 596: 594: 591: 589: 586: 585: 583: 581: 577: 573: 563: 560: 558: 555: 553: 550: 549: 547: 543: 537: 534: 532: 529: 527: 524: 523: 521: 519: 515: 509: 506: 505: 503: 501: 497: 491: 488: 486: 483: 481: 478: 476: 473: 471: 468: 466: 463: 461: 458: 456: 453: 451: 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 418: 416: 413: 411: 408: 406: 403: 401: 398: 397: 395: 393: 389: 386: 384: 380: 374: 371: 369: 366: 365: 362: 358: 351: 346: 344: 339: 337: 332: 331: 328: 316: 311: 307: 303: 300:(2): 388–92. 299: 295: 294: 289: 282: 279: 267: 263: 262:AAVSO Website 259: 252: 250: 246: 241: 237: 233: 229: 228: 223: 216: 213: 200: 196: 190: 187: 175: 171: 170: 165: 159: 157: 153: 146: 144: 142: 138: 134: 129: 125: 121: 117: 113: 106: 103: 98: 90: 86: 84: 83: 79: 78: 74: 72: 69: 68: 62: 59: 55: 54: 51: 48: 46: 45:Constellation 43: 42: 39: 36: 32: 29: 23: 767:expanding it 760: 717:, partly in 507: 297: 291: 281: 271:12 September 269:. Retrieved 261: 231: 225: 215: 203:. Retrieved 198: 189: 179:12 September 177:. Retrieved 167: 111: 110: 87:names=  80: 817:Dwarf novae 713:(mostly in 703:(mostly in 164:"V* VW Hyi" 128:dwarf novae 124:white dwarf 105:light curve 102:visual band 71:Declination 64:04 09 11.39 806:Categories 598:HD 10180 c 580:Exoplanets 258:"VW Hydri" 234:: 369–78. 147:References 116:dwarf nova 593:GJ 3021 b 588:η Hydri b 205:1 October 199:aavso.org 20:VW Hydri 740:Category 696:PGC 6240 648:Galaxies 634:NGC 1466 500:Variable 112:VW Hydri 82:Distance 629:NGC 643 624:NGC 602 302:Bibcode 236:Bibcode 201:. AAVSO 139:8.4 in 38:J2000.0 35:Equinox 31:J2000.0 812:Hydrus 715:Dorado 705:Tucana 169:SIMBAD 120:Hydrus 50:Hydrus 719:Mensa 691:KKs 3 684:Other 545:Other 536:20003 531:10180 392:Bayer 383:Stars 114:is a 28:Epoch 763:stub 526:1237 273:2013 207:2021 181:2013 675:813 670:802 665:646 657:NGC 552:AB8 310:doi 298:289 808:: 518:HD 508:VW 308:. 296:. 290:. 264:. 260:. 248:^ 232:36 230:. 224:. 197:. 172:. 166:. 155:^ 100:A 89:pc 794:e 787:t 780:v 769:. 721:) 707:) 490:τ 485:τ 480:σ 475:π 470:π 465:ν 460:μ 455:λ 450:κ 445:ι 440:θ 435:η 430:η 425:ζ 420:ε 415:δ 410:γ 405:β 400:α 349:e 342:t 335:v 318:. 312:: 304:: 275:. 242:. 238:: 209:. 183:.

Index

Epoch
J2000.0
Equinox
J2000.0
Constellation
Hydrus
Right ascension
Declination
Distance
pc

visual band
light curve
dwarf nova
Hydrus
white dwarf
dwarf novae
accretion disc
apparent magnitude
superoutbursts


"V* VW Hyi"
SIMBAD
Centre de données astronomiques de Strasbourg
"Download Data"
"Photometric study of the dwarf nova VW Hydri"
Astronomy and Astrophysics
Bibcode
1974A&A....36..369V

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