BVRIJHK light curves of 4U 0115+63/V635 Cas (Reig+, 2007)

Details BVRIJHK light curves of 4U 0115+63/V635 Cas (Reig+, 2007) BVRIJHK light curves of 4U 0115+63/V635 Cas (Reig+, 2007)

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34621081r&link_type=abstract

VizieR On-line Data Catalog: J/A+A/462/1081. Originally published in: 2007A&A...462.1081R

Physics

Binaries: X-Ray, Photometry: Ubvrijklmnh

Scientific paper

4U 0115+63 is one of the most active and best studied Be/X-ray transients. Previous studies of 4U 0115+63 have led to the suggestion that 4U 0115+63 undergoes relatively fast quasi-cyclic activity. However, due to the lack of good coverage of the observations, the variability time scales are uncertain.
Our objective is to investigate the long-term behaviour of 4U 0115+63/V635 Cas to confirm its quasi-cyclic nature and to explain its correlated optical/IR and X-ray variability.
We have performed optical/IR photometric observations and optical spectroscopic observations of 4U 0115+63/V635 Cas over the last decade with unprecedented coverage. We have focused on the Hα line variability and the long-term changes of the photometric magnitudes and colours and investigated these changes in correlation with the X-ray activity of the source.
(2 data files).

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