activity
20022023
most citedThe rise of SN2014J in the nearby galaxy M82

132 citations · 3.1k across the 125 of their papers we have counts for

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Showing 2018Show all

12 papers · 1 filter

astro-ph.SR2018

Unravelling the infrared transient VVV-WIT-06: the case for an origin in a classical nova

Dipankar P. K. Banerjee, Eric Y. Hsiao, Tiara Diamond +6

The enigmatic near-infrared transient VVV-WIT-06 underwent a large amplitude eruption of unclear origin in July 2013. Based on its lightcurve properties and late-time post-outburst…

astro-ph.SR2018★ 18 cited

Early formation of carbon monoxide in the Centaurus A supernova SN 2016adj

D. P. K. Banerjee, Vishal Joshi, A. Evans +8

We present near-infrared spectroscopy of the NGC 5128 supernova SN 2016adj in the first 2 months following discovery. We report the detection of first overtone carbon monoxide emis…

astro-ph.SR2018★ 56 cited

Double-peaks of the solar cycle: An explanation from a dynamo model

Bidya Binay Karak, Sudip Mandal, Dipankar Banerjee

One peculiar feature of the solar cycle which is yet to be understood properly is the frequent occurrence of double peaks (also known as the Gnevyshev peaks). Not only the double p…

astro-ph.GA2018★ 40 cited

Near-Infrared Spectroscopy of SN 2017eaw in 2017: Carbon Monoxide and Dust Formation in a Type II-P Supernova

J. Rho, T. R. Geballe, D. P. K. Banerjee +3

The origin of dust in the early Universe has been the subject of considerable debate. Core-collapse supernovae (ccSNe), which occur several million years after their massive progen…

astro-ph.SR2018

The Extended Solar Cycle: Muddying the Waters of Solar/Stellar Dynamo Modeling Or Providing Crucial Observational Constraints?

A. K. Srivastava, S. W. McIntosh, N. Arge +17

In 1844 Schwabe discovered that the number of sunspots increased and decreased over a period of about 11 years, that variation became known as the sunspot cycle. Almost eighty year…

astro-ph.SR2018★ 15 cited

Onboard Automated CME Detection Algorithm for Visible Emission Line Coronagraph on ADITYA-L1

Ritesh Patel, K Amareswari, Vaibhav Pant +3

ADITYA-L1 is India's first space mission to study the Sun from Lagrangian 1 position. { \textit{Visible Emission Line Coronagraph}} (VELC) is one of the seven payloads in ADITYA-L1…

astro-ph.SR2018

Geometric and magnetic properties of coronal flux ropes associated with CMEs leading to geomagnetic storms

Ranadeep Sarkar, Nandita Srivastava

We have studied three Interplanetary Coronal Mass Ejections (ICMEs) having clear signatures of magnetic cloud (MC) arrival at 1 AU and their associated solar sources during 2011 to…

astro-ph.SR2018

Role of the background regimes towards the Solar Mean Magnetic Field

Souvik Bose, K Nagaraju

The Solar Mean Magnetic Field (SMMF) is generally defined as disc-averaged line-of-sight (LOS) magnetic field on the sun. The role of active regions and the large-scale magnetic fi…

astro-ph.SR2018★ 1 cited

Automated detection of Coronal Mass Ejections in Visible Emission Line Coronagraph (VELC) on-board ADITYA-L1

Ritesh Patel, K. Amareswari, Vaibhav Pant +2

An onboard automated coronal mass ejections (CMEs) detection algorithm has been developed for Visible Emission Line Coronagraph (VELC) onboard ADITYA-L1. The aim of this algorithm…

astro-ph.SR2018

An Overview of Science Results Obtained From Kodaikanal Digitized White-Light Data Archive: 1921-2011

Sudip Mandal, Dipankar Banerjee

In this proceeding, we present a summary of the recent scientific results that have been derived using the newly digitized whit-light (WL) data obtained from the Kodaikanal Solar O…

astro-ph.SR2018★ 7 cited

Phase-dependent photometric and spectroscopic characterization of the MASTER-Net Optical Transient J212444.87+321738.3: an oxygen rich Mira

Supriyo Ghosh, Soumen Mondal, Ramkrishna Das +4

We describe the time-dependent properties of a new spectroscopically confirmed Mira variable, which was discovered in 2013 as MASTER-Net Optical Transient (OT) J212444.87+321738.3…

astro-ph.SR2018★ 18 cited

Excitation mechanism of OI lines in Herbig Ae/Be stars

Blesson Mathew, P. Manoj, Mayank Narang +7

We have investigated the role of a few prominent excitation mechanisms viz. collisional excitation, recombination, continuum fluorescence and Lyman beta fluorescence on the OI line…