Upcoming 4m ILMT facility and data reduction pipeline testing
BRAJESH KUMAR VIBHORE NEGI BHAVYA AILAWADHI SAPNA MISHRA BIKRAM PRADHAN KUNTAL MISRA PAUL HICKSON JEAN SURDEJ
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The 4m international liquid mirror telescope (ILMT) installation activities have recently been completed at the Devasthal observatory (Uttarakhand, India). The ILMT will perform continuous observation of a narrow strip of the sky ($\sim$27$'$) passing over the zenith in the SDSS $g'$, $r'$ and $i'$ bands. Incombination with a highly efficient 4k$\times$4k CCD camera and an optical corrector, the images will be secured at the prime focus of the telescope using the time delayed integration technique. The ILMT will reach $\sim$22.5mag ($g'$-band) in a single scan and this limiting magnitude can be further improved by co-adding the nightly images. The uniqueness of the one-day cadence and deeper imaging with the ILMT will make it possible to discover and study various galactic and extra-galactic sources, specially variable ones. Here, we present the latest updates of the ILMT facility and discuss the preparation for the first light, which is expected during early 2022. We also briefly explain different steps involved in the ILMT data reduction pipeline.
BRAJESH KUMAR1 VIBHORE NEGI1 2 BHAVYA AILAWADHI1 2 SAPNA MISHRA3 BIKRAM PRADHAN4 KUNTAL MISRA1 PAUL HICKSON5 JEAN SURDEJ6 7
Volume 44, 2023
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