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Browsing by Author "Thorstensen, J. R."
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IGR J19552+0044: A new asynchronous short period polar Filling the gap between intermediate and ordinary polars
Tovmassian, G.; González Buitrago, D.; Thorstensen, J. R.; Miguel Agustino, Enrique de
(EDP Sciences, 2017-08)
Context. Based on XMM-Newton X-ray observations IGR J19552+0044 appears to be either a pre-polar or an asynchronous polar. Aims. We conducted follow-up optical observations to identify the sources and periods of variability ... -
SDSS J162520.29+120308.7 – a new SU Ursae Majoris star in the period gap
Olech, A.; Miguel Agustino, Enrique de; Otulakowska-Hypka, M.; Thorstensen, J. R.; Rutkowski, A.; Novak, R.; Masi, G.; Richmond, M.; Staels, B.; Lowther, S.; Stein, W.; Ak, T.; Boyd, David; Koff, Robert; Patterson, Joseph; Eker, Z. (European Southern Observatory, 2011)
We report results of an extensive world-wide observing campaign devoted to the recently discovered dwarf nova SDSS J162520.29+120308.7 (SDSS J1625). The data were obtained during the July 2010 eruption of the star and in ...
