Differential photometry of 2MASS J09440940-5617117
K. M. G. Silva, C. V. Rodrigues, F. J. Jablonski, F. D'Amico, D., Cieslinski, R. Baptista And L. A. De Almeida
TL;DR
This study presents optical differential photometry of the cataclysmic variable 2MASS J09440940-5617117, confirming a deep eclipse and determining its orbital period and eclipse duration.
Contribution
First detailed optical photometry of 2MASS J09440940-5617117 confirming eclipse features and measuring its orbital parameters.
Findings
Confirmed deep eclipse in light curves
Derived orbital period of approximately 0.188 days
Measured eclipse width of about 0.112 orbital cycles
Abstract
2MASS J09440940-5617117 was identified as a cataclysmic variable in 2007 by its spectrum. In this article we present optical differential photometry in the Rc band obtained using the 0.6-m telescope at Observatorio do Pico dos Dias/Brazil. The complete light curves confirm the presence of a deep eclipse. We derive an orbital period of 0.1879340(5) d. The eclipse has a width of 0.112 +- 0.003 orbital cycles.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Geophysics and Gravity Measurements · Adaptive optics and wavefront sensing