Search Results - "Pavlenko, Elena P."
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BO Ceti: Dwarf nova showing both IW And-type and SU UMa-Type features
Published in Publications of the Astronomical Society of Japan (01-10-2021)“…Abstract IW And stars are a recently recognized subgroup of dwarf novae which are characterized by (often repetitive) slowly rising standstills terminated by…”
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IW And-type state in IM Eridani
Published in Publications of the Astronomical Society of Japan (01-02-2020)“…Abstract IW And stars are a recently recognized group of dwarf novae which are characterized by a repeated sequence of brightening from a standstill-like phase…”
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Dwarf nova EZ Lyncis second visit to instability strip
Published in Publications of the Astronomical Society of Japan (01-12-2014)“…Abstract The analysis of 14 periodograms of EZ Lyn for data spaced over 565 d in 2012–2014 (2–3.5 yr after the 2010 outburst) yielded the existence of a stable…”
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2021 superoutburst of the WZ Sge-type dwarf nova V627 Pegasi lacks an early superhump phase
Published in Publications of the Astronomical Society of Japan (02-06-2023)“…Abstract Superoutbursts in WZ Sge-type dwarf novae (DNe) are characterized by both early superhumps and ordinary superhumps originating from the 2 : 1 and 3 :…”
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First detection of two superoutbursts during the rebrightening phase of a WZ Sge-type dwarf nova: TCP J21040470+4631129
Published in Publications of the Astronomical Society of Japan (01-06-2020)“…Abstract We report on photometric and spectroscopic observations and analysis of the 2019 superoutburst of TCP J21040470+4631129. This object showed a 9 mag…”
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Discovery of standstills in the SU UMa-type dwarf nova NY Serpentis
Published in Publications of the Astronomical Society of Japan (01-04-2019)“…Abstract We found that the SU UMa-type dwarf nova NY Ser in the period gap [orbital period 0.097558(6) d] showed standstills twice in 2018. This is the first…”
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Multi-wavelength photometry during the 2018 superoutburst of the WZ Sge-type dwarf nova EG Cancri
Published in Publications of the Astronomical Society of Japan (05-02-2021)“…Abstract We report on the multi-wavelength photometry of the 2018 superoutburst in EG Cnc. We have detected stage A superhumps and long-lasting late-stage…”
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On the nature of long-period dwarf novae with rare and low-amplitude outbursts
Published in Publications of the Astronomical Society of Japan (01-08-2018)“…Abstract There are several peculiar long-period dwarf-nova-like objects that show rare, low-amplitude outbursts with highly ionized emission lines; 1SWASP…”
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ASASSN-16eg: New candidate for a long-period WZ Sge-type dwarf nova
Published in Publications of the Astronomical Society of Japan (01-12-2017)“…Abstract We report on our photometric observations of the 2016 superoutburst of ASASSN-16eg. This object showed a WZ Sge-type superoutburst with prominent…”
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V1006 Cygni: Dwarf nova showing three types of outbursts and simulating some features of the WZ Sge-type behavior
Published in Publications of the Astronomical Society of Japan (01-04-2016)“…We observed the 2015 July–August long outburst of V1006 Cyg and established this object to be an SU UMa-type dwarf nova in the period gap. Our observations…”
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Unexpected superoutburst and rebrightening of AL Comae Berenices in 2015
Published in Publications of the Astronomical Society of Japan (01-02-2016)“…In 2015 March, the notable WZ Sge-type dwarf nova AL Com exhibited an unusual outburst with a recurrence time of ∼ 1.5 yr, which is the shortest interval of…”
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Discovery of Negative Superhumps during a Superoutburst of 2011 January in ER Ursae Majoris
Published in Publications of the Astronomical Society of Japan (25-08-2012)“…We report on a discovery of “negative” superhumps during the 2011 January superoutburst of ER UMa. During the superoutburst, which started on 2011 January 16,…”
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OT J075418.7+381225 and OT J230425.8+062546: Promising candidates for the period bouncer
Published in Publications of the Astronomical Society of Japan (01-12-2014)“…Abstract We report on photometric observations of two dwarf novae, OT J075418.7+381225 and OT J230425.8+062546, which showed superoutbursts in 2013 (OT…”
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A New SU UMa-Type Dwarf Nova, QW Serpentis (= TmzV46)
Published in Publications of the Astronomical Society of Japan (25-03-2004)“…We report on the results of the QW Ser campaign, which has been continued from 2000 to 2003 by the VSNET collaboration team. Four long outbursts and many short…”
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TESS photometry of the asynchronous polar CD Ind: A short period analog of BY Cam
Published in Advances in space research (01-09-2020)“…We present a time-series analysis of the asynchronous polar CD Ind, using fast cadence TESS photometry. A similar analysis is performed using ground based…”
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Rapid optical variations correlated with X-rays in the 2015 second outburst of V404 Cygni (GS 2023+338)
Published in Monthly notices of the Royal Astronomical Society (11-10-2017)“…Abstract We present optical multicolour photometry of V404 Cyg during the outburst from 2015 December to 2016 January together with the simultaneous X-ray…”
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Spectroscopic and photometric observations of dwarf nova superoutbursts by the 3.8 m telescope Seimei and the Variable Star Network
Published in Publications of the Astronomical Society of Japan (01-06-2021)“…Abstract We present spectroscopic and photometric observations of 17 dwarf-nova superoutbursts obtained by KOOLS-IFU mounted on the 3.8 m telescope Seimei at…”
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Erratum: Rapid Optical Variations Correlated with X-rays in the 2015 Second Outburst of V404 Cygni (GS 2023+338)
Published in Monthly notices of the Royal Astronomical Society (11-04-2018)Get full text
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Survey of Period Variations of Superhumps in SU UMa-Type Dwarf Novae. II The Second Year (2009–2010)
Published in Publications of the Astronomical Society of Japan (25-12-2010)“…Continued from Kato et al. (2009, PASJ, 61, S395), we collected the times of superhump maxima for 68 SU UMa-type dwarf novae, mainly observed during the…”
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V404 Cyg: 10 years in quiescence
Published in Astrophysics and space science (01-01-2001)“…We present the preliminary results of a long-term photometric studyof V404 Cyg in quiescence. Its ellipsoidal light curvesshow the variations in both maxima…”
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