Variability of V4332 Sgr observed in the near-IR

Astronomy and Astrophysics – Astronomy

Scientific paper

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Infra-Red, Cataclysmic Variable, Variables

Scientific paper

We carried out near-IR photometric observations of of the enigmatic variable star V4332 Sgr with the 3.8-m United Kingdom Infrared Telescope (UKIRT) and the UKIRT Wide Field Camera (WFCAM) using the near-IR MKO filters Z, Y, J, H and K (effective wavelengths: 0.8717, 1.0305, 1.2483, 1.6313 and 2.2010 microns respectively) on multiple epochs from 25 May to 6 Oct. 2011. The epochs of observations, filters used and the magnitudes estimated (in the UKIRT-WFCAM photometric system) are given in the table below.

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