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The orbital and superhump periods of the deeply eclipsing dwarf nova SDSS J122740.83+513925.9
Jeremy Shears, Steve Brady, Jerry Foote +2
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 m…
A Search for SS Cyg Outburst Predictors
A. Price, A. A. Henden, G. Foster +20
We report null results on a two year photometric search for outburst predictors in SS Cyg. Observations in Johnson V and Cousins I were obtained almost daily for multiple hours per…
The 2003/2004 superoutburst of SDSS J013701.06-091234.9
Akira Imada, Taichi Kato, Kaori Kubota +10
We report on time-resolved photometry of the superoutburst of an SU UMa-type dwarf nova, SDSS J013701.06-091234.9 in 2003 December-2004 January. The obtained light curves definitel…
The Recently-Discovered Dwarf Nova System ASAS J002511+1217.2: A New WZ Sagittae Star
M. R. Templeton, R. Leaman, P. Szkody +19
The cataclysmic variable ASAS J002511+1217.2 was discovered in outburst by the All-Sky Automated Survey in September 2004, and intensively monitored by AAVSO observers through the…
Multicolor Observations of ASAS 002511+1217.2
Alex Golovin, Aaron Price, Matthew Templeton +11
We present multicolor CCD photometry of ASAS 002511+1217.2 for first 55 days of 2004 outburst.
Planetary Transits of TRES-1
A. Price, R. Bissinger, G. Laughlin +15
Observations of TRES-1b transits made during the late summer and fall 2004 observing season reveal a statistically significant but low amplitude brightening event during egress.
A New Cataclysmic Variable in Hercules
A. Price, B. Gary, J. Bedient +30
We present time-series observations, spectra and archival outburst data of a newly-discovered variable star in Hercules, Var Her 04. Its orbital period, mass ratio, and outburst am…
V1494 Aql: Eclipsing Fast Nova with an Unusual Orbital Light Curve
T. Kato, R. Ishioka, M. Uemura +2
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…
In-the-Gap SU UMa-Type Dwarf Nova, Var73 Dra with a Supercycle of about 60 Days
D. Nogami, M. Uemura, R. Ishioka +13
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 superout…
The 2001 Superoutburst of WZ Sagittae
J. Patterson, G. Masi, M. Richmond +25
We report the results of a worldwide campaign to observe WZ Sagittae during its 2001 superoutburst. After a 23-year slumber at V=15.5, the star rose within 2 days to a peak brightn…
Superhumps in Cataclysmic Binaries. XXII. 1RXS J232953.9+062814
David Skillman, Thomas Krajci, Edward Beshore +7
We report photometry of 1RXS J232953.9+062814, a recently discovered dwarf nova with a remarkably short 64.2-minute orbital period. In quiescence, the star's light curve is that of…
Discovery of a Dwarf Nova Breaking the Standard Sequence of Compact Binary Evolution
M. Uemura, T. Kato, R. Ishioka +1
We revealed that the dwarf nova 1RXS J232953.9+062814 is an SU UMa-type system with a superhump period of 66.774+/-0.010 min. The short period strongly indicates that the orbital p…
First detection of the growing humps at the rapidly rising stage of dwarf novae AL Com and WZ Sge
Ryoko Ishioka, Makoto Uemura, Katsura Matsumoto +11
We report on time-series photometric observations in the earliest stages of superoutbursts of the extreme dwarf novae, AL Com and WZ Sge, which started on 2001 May after the 6 year…