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We report extensive photometry of the frequently outbursting dwarf nova RZ Leo Minoris. During two seasons of observations we detected 12 superoutbursts and 7 normal outbursts. The V magnitude of the star varied in range from 16.5 to 13.9…

天体物理学 · 物理学 2008-06-11 A. Olech , M. Wisniewski , K. Zloczewski , L. M. Cook , K. Mularczyk , P. Kedzierski

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…

天体物理学 · 物理学 2007-05-23 A. Olech , A. Schwarzenberg-Czerny , P. Kedzierski , K. Zloczewski , K. Mularczyk , M. Wisniewski

We report an analysis of photometric behaviour of DI UMa, an extremely active dwarf nova. The observational campaign (completed in 2007) covers five superoutbursts and four normal outbursts. We examined principal parameters of the system to…

天体物理学 · 物理学 2009-11-13 A. Rutkowski , A. Olech , M. Wiśniewski , P. Pietrukowicz , J. Pala , R. Poleski

We report photometry results of a frequently outbursting dwarf nova, ER Ursae Majoris. To measure the outburst parameters of the system, we carried out analyses of the light curve, periodograms, and O-C diagrams. We investigated the…

太阳与恒星天体物理 · 物理学 2026-01-26 K. Bakowska , B. Kirpluk , P. Zielinski , M. Motylinski , A. Gurgul , J. Golonka , K. Szyszka

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…

天体物理学 · 物理学 2007-10-08 A. Rutkowski , A. Olech , K. Mularczyk , D. Boyd , R. Koff , M. Wiśniewski

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…

天体物理学 · 物理学 2007-05-23 A. Olech , K. Zloczewski , L. M. Cook , K. Mularczyk , P. Kedzierski , M. Wisniewski

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…

We report extensive photometry of frequently outbursting dwarf nova IX Draconis. During five months of observations the star went into three superoutbursts and seven ordinary outbursts. This allowed us to determine its supercycle and cycle…

天体物理学 · 物理学 2007-05-23 A. Olech , K. Zloczewski , K. Mularczyk , P. Kedzierski , M. Wisniewski , G. Stachowski

We report unfiltered CCD photometry of the first confirmed superoutburst of the recently discovered dwarf nova, SDSS J083931.35+282824.0 in April 2010. From a quiescence magnitude of ~19.8 it rose to 14.0, an outburst amplitude of at least…

太阳与恒星天体物理 · 物理学 2010-11-25 Jeremy Shears , Enrique de Miguel , George Roberts , Donald F. Collins , Gordon Myers , Tut Campbell

We report the discovery of a new dwarf nova and our observations of its first confirmed superoutburst during 2009 October. The outburst amplitude was 6 magnitudes. The main outburst lasted 17 days and was followed 4 days later by a…

太阳与恒星天体物理 · 物理学 2010-05-19 Jeremy Shears , Patrick Wils , Greg Bolt , Franz-Josef Hambsch , Tom Krajci , Ian Miller , Richard Sabo , Bart Staels

We report unfiltered photometry during the first confirmed superoutburst of the recently discovered dwarf nova, SDSS J073208.11+413008.7 and conclude that it is a member of the SU UMa family. At its brightest, the star was magnitude 15.7.…

太阳与恒星天体物理 · 物理学 2010-05-31 Jeremy Shears , Robert Koff , Richard Sabo , Bart Staels , William Stein , Patrick Wils

We present the 2005-2010 outburst history of the SUUMa-type dwarf HS 0417+7445,along with a detailed analysis of extensive time-series photometry obtained in March 2008 during the second recorded superoutburst of the system. The mean…

太阳与恒星天体物理 · 物理学 2015-05-20 J. H. Shears , B. T. Gaensicke , S. Brady , P. Dubovsky , I. Miller , B. Staels

During July 2009 we observed the first confirmed superoutburst of the eclipsing dwarf nova SDSS J150240.98+333423.9 using CCD photometry. The outburst amplitude was at least 3.9 magnitudes and it lasted at least 16 days. Superhumps having…

We report time-resolved CCD photometry of the cataclysmic variable EG Aquarii during the 2006 November outburst During the outburst, superhumps were unambiguously detected with a mean period of 0.078828(6) days, firstly classifying the…

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…

天体物理学 · 物理学 2015-06-24 Akira Imada , Taichi Kato , L. A. G. Monard , Alon Retter , Alex Liu , Daisaku Nogami

An intensive photometric-observation campaign of the recently discovered SU UMa-type dwarf nova, Var73 Dra was conducted from 2002 August to 2003 February. We caught three superoutbursts in 2002 October, December and 2003 February. The…

CCD photometric observations of the dwarf nova V1006 Cyg were carried out in 2015-2017 with 11 telescopes located at 7 observatories. They covered the 2015 superoutburst with rebrightening, five normal outbursts of ~4-day duration and one…

We report the photometric observations of an SU UMa-type dwarf nova VW CrB during two superoutbursts in 2001 and 2003 and a normal outburst in 2003. Superhumps with a period of 0.07287(1) d were observed during the 2003 superoutburst. The…

天体物理学 · 物理学 2015-06-24 D. Nogami , M. Uemura , R. Ishioka , T. Kato , J. Pietz

We report unfiltered CCD observations of the first confirmed superoutburst of the SU UMa-type dwarf nova SS LMi in October 2006. From a quiescent magnitude of around 21.7 it rose to 16.2, an outburst amplitude of about 5.5 magnitudes. It…

天体物理学 · 物理学 2007-07-17 Jeremy Shears , David Boyd , Tom Krajci , Robert Koff , John R. Thorstensen , Gary Poyner

We carried out time-resolved photometric observations of an SU UMa type dwarf nova, BC UMa, during its superoutburst in February 2003. We detect early superhumps (or outburst orbital humps) during the first two days of the outburst. The…

天体物理学 · 物理学 2015-06-24 Hiroyuki Maehara , Izumi Hachisu , Kazuhiro Nakajima
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