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Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
K. A. Stoyanov, K. Iłkiewicz, G. J. M. Luna +6
We performed high-resolution optical spectroscopy and X-ray observations of the recently identified Mira-type symbiotic star EF Aql. Based on high-resolution optical spectroscopy o…
V902 Monocerotis: a likely disc-accreting intermediate polar
H. Worpel, A. D. Schwope, I. Traulsen +2
Aims: We aim to confirm whether the eclipsing cataclysmic variable V902 Mon is an Intermediate Polar, to characterise its X-ray spectrum and flux, and to refine its orbital ephemer…
V4743 Sgr, a magnetic nova?
P. Zemko, M. Orio, K. Mukai +3
Two XMM Newton observations of Nova V4743 Sgr (Nova Sgr 2002) were performed shortly after it returned to quiescence, 2 and 3.5 years after the explosion. The X-ray light curves re…
Swift detection of the super-swift switch-on of the super-soft phase in nova V745 Sco (2014)
K. L. Page, J. P. Osborne, N. P. M. Kuin +15
V745 Sco is a recurrent nova, with the most recent eruption occurring in February 2014. V745 Sco was first observed by Swift a mere 3.7 hr after the announcement of the optical dis…
Suzaku observation of the classical nova V2491 Cyg in quiescence
Polina Zemko, Koji Mukai, Marina Orio
We present Suzaku XIS observation of V2491 Cyg (Nova Cyg 2008 No. 2) obtained in quiescence, more than two years after the outburst. The nova was detected as a very luminous source…
X-ray observations of VY Scl type nova-like binaries in the high and low state
P. Zemko, M. Orio, K. Mukai +1
Four VY Scl-type nova-like systems were observed in X-rays during both the low and the high optical states. We examined Chandra, ROSAT, Swift and Suzaku archival observations of BZ…