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Flash ionization signatures in the type Ibn supernova SN 2019uo
Anjasha Gangopadhyay, Kuntal Misra, Daichi Hiramatsu +26
We present photometric and spectroscopic observations of the type Ibn supernova (SN) 2019uo, the second ever SN Ibn with flash ionization (He II, C III, N III) features in its earl…
SN 2015an: a normal luminosity type II supernova with low expansion velocity at early phases
Raya Dastidar, Kuntal Misra, Stefano Valenti +10
We present the photometry and spectroscopy of SN 2015an, a Type II Supernova (SN) in IC 2367. The recombination phase of the SN lasts up to 120 d, with a decline rate of 1.24…
Scientific potential of the Indo-Belgian 3.6-m DOT in the field of Galactic Astronomy
Ram Sagar, Brijesh Kumar, Annapurni Subramaniam
India and Belgium have jointly established two 4 meter class optical telescopes at Devasthal located in Nainital, India. After successful installation of the 3.6-m modern new techn…
VR CCD photometry of variable stars in globular cluster NGC 4147
Sneh Lata, A. K. Pandey, J. C. Pandey +20
We present results of a search for variable stars in a region of the globular cluster NGC 4147 based on photometric observations with 4k x 4k CCD imager mounted at the axial port o…
The 3.6 meter Devasthal Optical Telescope: From inception to realisation
Ram Sagar, Brijesh Kumar, Amitesh Omar
India's largest size 3.6 meter Devashal optical telescope (DOT) was commissioned in the year 2016, though the idea of building it germinated way back in the year 1976. This article…
Observational properties of a Type Ib Supernova MASTER OT J120451.50+265946.6 in NGC 4080
Mridweeka Singh, Kuntal Misra, D. K. Sahu +12
MASTER OT J120451.50+265946.6 (M12045), discovered by the MASTER Global Robotic Net, is a Type Ib supernova (SN) that exploded in NGC 4080. We present the {\it BVRI} photometric an…