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Near Infrared Observations of the novae V2491 Cygni and V597 Puppis
Sachindra Naik, D. P. K. Banerjee, N. M. Ashok
We present results obtained from near-infrared JHK spectroscopic observations of novae V2491 Cyg and V597 Pup in the early declining phases of their 2007 and 2008 outbursts respect…
Near-Infrared Studies of V1280 Sco (Nova Scorpii 2007)
Ramkrishna Das, Dipankar Banerjee, Nagarhalli Ashok +1
We present spectroscopic and photometric results of Nova V1280 Sco which was discovered in outburst in early 2007 February. The large number of spectra obtained of the object leads…
VLTI monitoring of the dust formation event of the Nova V1280 Sco
Olivier Chesneau, Dipankar Banerjee, F. Millour +13
We present the first high spatial resolution monitoring of the dust forming nova V1280 Sco performed with the Very Large Telescope Interferometer (VLTI). Spectra and visibilities w…
A near-infrared shock wave in the 2006 outburst of recurrent nova RS Ophiuchi
Ramkrishna Das, Dipankar P. K. Banerjee, Nagarhalli M. Ashok
Near-infrared spectra are presented for the recent 2006 outburst of the recurrent nova RS Ophiuchi (RS Oph).We report the rare detection of an infrared shock wave as the nova eject…
A late, infrared flash from the afterglow of GRB 050319
Koshy George, Dipankar P. K. Banerjee, Thyagarajan Chandrasekahar +1
We report the detection of a bright, near-infrared flash from the afterglow of GRB 050319, 6.15 hours after the burst. The IR flash faded rapidly from J=13.12 mag. to J > 15.5 mag.…
Near-Infrared and Optical Studies of the fast nova V4643 Sgr (Nova Sagittarii 2001)
N. M. Ashok, D. P. K. Banerjee, W. P. Varricatt +1
V4643 Sagittarii or Nova Sagittarii 2001 was discovered in outburst at 7.7 mag. on 2001 February 24. Here, we present near-infrared results of this fast classical nova obtained in…