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Related papers: Superhumps in V1141 Aquilae

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A dense series of long and high time resolution light curves of the old nova V603 Aql, covering 22 nights (19 of which are consecutive), are analyzed in order to identify and characterize variations on the time scale of hours and days. The…

Solar and Stellar Astrophysics · Physics 2018-02-23 Albert Bruch , Lewis M. Cook

We report a CCD optical photometry of a dwarf nova AL Com in superoutburst. Before superhumps occurred the light curve was highly variable with dominant periods about 41 minutes and 81.5 minutes for different nights. The period of observed…

Astrophysics · Physics 2007-05-23 W. Pych , A. Olech

We present an in-depth photometric study of the 2013 superoutburst of the recently discovered cataclysmic variable V1838 Aql and subsequent photometry near its quiescent state. A careful examination of the development of the superhumps is…

We present time-resolved photometry of V1494 Aql (Nova Aql 1999 No. 2: http://www.kusastro.kyoto-u.ac.jp/vsnet/Novae/v1494aql.html) between 2001 November and 2003 June. The object is confirmed to be an eclipsing nova with a period of…

Astrophysics · Physics 2015-06-24 T. Kato , R. Ishioka , M. Uemura , D. R. Starkey , T. Krajci

We observed the 1991 October outburst of EF Peg. Prominent superhumps with a period of 0.08705(1) d were observed, qualifying EF Peg as a being long-period SU UMa-type dwarf nova. The superhump period showed a monotonous decrease during the…

Astrophysics · Physics 2015-06-24 Taichi Kato

We report CCD photometry of the cataclysmic variable V1113 Cygni. During two campaigns, lasting from May to August 2003 and from March to June 2005, we recorded two superoutburst. In the obtained light curves we detected clear superhumps…

Solar and Stellar Astrophysics · Physics 2010-05-19 K. Bakowska , A. Olech , K. Zloczewski , M. Wisniewski

We report extensive photometry of the dwarf nova V419 Lyr throughout its 2006 July superoutburst till quiescence. The superoutburst with amplitude of ~3.5 magnitude lasted at least 15 days and was characterized by the presence of clear…

Astrophysics · Physics 2007-10-08 A. Rutkowski , A. Olech , K. Mularczyk , D. Boyd , R. Koff , M. Wiśniewski

We report on time-resolved photometry of the 2005 July superoutburst of the dwarf nova, 2QZ J021927.9-304545. The resultant light curves showed conspicuous superhumps with a period of 0.081113(19) days, confirming the SU UMa nature of the…

Astrophysics · Physics 2015-06-24 Akira Imada , Taichi Kato , L. A. G. Monard , Alon Retter , Alex Liu , Daisaku Nogami

We report CCD photometry of the superoutburst of the dwarf nova V1212 Tau obtained during 2011 January and February. The outburst amplitude was at least 6 magnitudes and it lasted at least 12 days. Three distinct superhump regimes were…

Solar and Stellar Astrophysics · Physics 2011-09-21 Jeremy Shears , Tom Krajci , Enrique de Miguel , Ian Miller , Etienne Morelle , George Roberts , Richard Sabo , William Stein , Raoul Behrend

We observed the 1994, 1996 and 2001 outbursts of HO Del. From the detection of secure superhumps, HO Del is confirmed to be an SU UMa-type dwarf nova with a superhump period of 0.06453(6) d. Based on the recent observations and the past…

Astrophysics · Physics 2015-06-24 T. Kato , D. Nogami , M. Moilanen , H. Yamaoka

We report extensive photometry of the dwarf nova KS UMa throughout its 2003 superoutburst till quiescence. During the superoutburst the star displayed clear superhumps with a mean period of Psh = 0.070092(23) days. In the middle stage of…

Recently, brightness variations occurring on twice the accretion disk precession period in the old nova and permanent superhump system V603 Aql have been observed by Bruch & Cook (2018). In an attempt to detect a similar effect in other…

Solar and Stellar Astrophysics · Physics 2019-03-28 Albert Bruch

We report on time-resolved photometry during a 2012 January normaloutburst of SU UMa. The light curve shows hump-like modulations with a period of 0.07903(11) d, which coincides with the known superhump period of SU UMa during…

Solar and Stellar Astrophysics · Physics 2015-06-11 Akira Imada , Hideyuki Izumiura , Daisuke Kuroda , Kenshi Yanagisawa , Nobuyuki Kawai , Toshihiro Omodaka , Ryo Miyanoshita

We report the photometric analysis of SU UMa based on the observations of the Transiting Exoplanet Survey Satellite (TESS). TESS has released a large amount of data, which contains the light curves of a complete superoutburst and three…

Solar and Stellar Astrophysics · Physics 2024-05-21 Wei Liu , Xiang-Dong Shi , Xiao-Hui Fang , Qi-Shan Wang

A monitoring programme of CSS 121005:212625+201948 covering nearly two observing seasons has shown that it is a typical SU UMa dwarf nova, but it has one of the shortest supercycles of its class, at 66.9(6) d. The superoutbursts are…

During June 2007 the first confirmed superoutburst of the eclipsing dwarf nova SDSS J122740.83+513925.9 was observed using CCD photometry. The outburst amplitude was at least 4.7 magnitudes. The orbital period was measured as 0.06296(5) d…

Astrophysics · Physics 2007-11-15 Jeremy Shears , Steve Brady , Jerry Foote , Donn Starkey , Tonny Vanmunster

Period analysis of CCD photometry of V1493 Aql (Nova Aql 1999 no. 1) performed during 12 nights through I and R filters a few weeks after maximum is presented. The PDM method for period analysis (Stellingwerf 1978) is used. The photometric…

Astrophysics · Physics 2009-11-11 Andrej Dobrotka , Michael Friedjung , Alon Retter , Ladislav Hric , Rudolf Novak

We present analysis and results of a coordinated CCD photometry campaign to observe the 2006 June superoutburst of the cataclysmic variable V1316 Cyg involving 8 longitudinally-distributed observers. The outburst peaked at magnitude 15.03…

We report on time-resolved CCD photometry of four outbursts of a short-period SU UMa-type dwarf nova, V844 Herculis. We successfully determined the mean superhump periods to be 0.05584(64) days, and 0.055883(3) for the 2002 May…

We report extensive photometry of the dwarf nova V660 Herculis. During our campaign, lasting from August 2003 to November 2004, we recorded one bright eruption which turned out to be a superoutburst lasting about 15 days and having…

Astrophysics · Physics 2007-05-23 A. Olech , K. Zloczewski , L. M. Cook , K. Mularczyk , P. Kedzierski , M. Wisniewski
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