a€?Huruhata's Variablea€? Revealed: The WZ Sge-Type Dwarf Nova EG Cancri

Matsumoto Katsura; Nogami Daisaku; Kato Taichi; Baba Hajime

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a€?Huruhata's Variablea€? Revealed: The WZ Sge-Type Dwarf Nova EG Cancri

机译：a.?Huruhata的Variablea€？揭露：WZ Sge型矮新星EG Cancri

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Time-resolvedCCDphotometricobservationsofadwarfnovaEGCncwerecarriedoutduringanoutburstwhichoccurredaftera19-yearquiescentinterval,since1977November.Ourobservationsbetween1996December2and14revealedthisoutbursttobeadefinitesuperoutburst,eventuallyenablingadefiniteclassificationofthisobjectasanSUUMa-typedwarfnova.Thisoutburstwascharacterizedbyitslongdurationofmorethantwoweeksandalargeamplitudeofatleast6.7mag.Theobjectshowedtwodistincttypesofsuperhumps:double-peakedmodulationsattributabletoa€?earlysuperhumpsa€?withaperiodof0.0582?±0.00025dintheearlierstageofthecurrentoutburst,followedbyfullygrowntypicalsuperhumpswithaperiodof0.0603?±0.00006d.Weregardtheperiodof0.0582dasbeingtheorbitalperiodoftheobjectwitha3.7%superhumpexcessratio.ThesecharacteristicssuggestastrongresemblancetoanextremerareclassofdwarfnovaeincludingWZSge,HVVir,andALComwithsomeothersimilaritiesbetweenEGCncandtheWZSge-typedwarfnovae.Theexistenceofdouble-peakeda€?earlysuperhumpsa€?intheearlystageofsuperoutburstsmaybeanewdefiningcriterionfortheWZSge-typedwarfnovae.

机译：时间resolvedCCDphotometricobservationsofadwarfnovaEGCncwerecarriedoutduringanoutburstwhichoccurredaftera19-yearquiescentinterval，since1977November.Ourobservationsbetween1996December2and14revealedthisoutbursttobeadefinitesuperoutburst，eventuallyenablingadefiniteclassificationofthisobjectasanSUUMa-typedwarfnova.Thisoutburstwascharacterizedbyitslongdurationofmorethantwoweeksandalargeamplitudeofatleast6.7mag.Theobjectshowedtwodistincttypesofsuperhumps：？？？？双peakedmodulationsattributabletoa€earlysuperhumpsa€withaperiodof0.0582±0.00025dintheearlierstageofthecurrentoutburst，followedbyfullygrowntypicalsuperhumpswithaperiodof0.0603±0.00006d.Weregardtheperiodof0.0582dasbeingtheorbitalperiodoftheobjectwitha3.7％这些特征建议与一类较新的矮新星相似，包括WZSge，HVVir和ALCom，以及EGCnc和WZSge型矮新星之间的一些其他相似之处。双尖峰的存在可能早在整个超级高峰期就消失了。 WZSge型初新星的ngcriterion。

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《PASJ: Publications of the Astronomical Society of Japan》 |1998年第4期|共页
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Matsumoto Katsura; Nogami Daisaku; Kato Taichi; Baba Hajime;
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1. Superhumps and Repetitive Rebrightenings of the WZ Sge-Type Dwarf Nova, EG Cancri [J] . Kato Taichi, Nogami Daisaku, Matsumoto Katsura, PASJ: Publications of the Astronomical Society of Japan . 2004,第sp1期

机译：WZ Sge型矮人新星的超级驼峰和重复增亮，例如EG Cancri
2. Discovery of a new dwarf nova, TSS J022216.4+412259.9: WZ Sge-type dwarf nova breaking the shortest superhump period record [J] . Imada A, Kubota K, Kato T, PASJ: Publications of the Astronomical Society of Japan . 2006,第4期

机译：发现新的矮新星TSS J022216.4 + 412259.9：WZ Sge型矮新星打破了最短超驼峰周期记录
3. Discovery of a New Dwarf Nova, TSS J022216.4+412259.9: WZ Sge-Type Dwarf Nova Breaking the Shortest Superhump Period Record [J] . Imada Akira, Kubota Kaori, Kato Taichi, PASJ: Publications of the Astronomical Society of Japan . 2006,第4期

机译：TSS J022216.4 + 412259.9发现了新的矮新星：WZ Sge型矮新星打破了最短的超驼峰时期记录
4. Evolution of Superhumps in V466 And: A New WZ Sge-Type Object [C] . Drahomir Chochol, Natalia A. Katysheva, Sergey Yu. Shugarov, International Conference on Binaries . 2010

机译：V466中超级泵的演变和：新的WZ SGE型对象
5. Star formation triggering mechanisms revealed by far-ultraviolet, H(alpha), and HI images of dwarf galaxies. [D] . Stewart, Susan Gessner. 1998

机译：矮星系的远紫外线，H（alpha）和HI图像揭示了恒星形成的触发机制。
6. Hubble COS Spectroscopy of the Dwarf Nova CW Mon: The White Dwarf in Quiescence? [O] . Connor Hause, Edward M. Sion, Patrick Godon, -1

机译：矮新星CW星期一的哈勃COS光谱：处于静止状态的白矮星？
7. “Huruhata's Variable” Revealed: The WZ Sge-Type Dwarf Nova EG Cancri [O] . Katsura Matsumoto, Daisaku Nogami, Taichi Kato, 1998

机译：“Huruhata的变量”揭示：WZ SGE型矮人Nova，例如Cancri
8. 2011 Outburst of Recurrent Nova T Pyx: X-Ray Observations Expose the White Dwarf Mass and Ejection Dynamics. [R] . Chomiuk, L., Nelson, T., Weston, J., 2014

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a€?Huruhata's Variablea€? Revealed: The WZ Sge-Type Dwarf Nova EG Cancri

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