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Browsing by Author "Anupama, G. C"

Browsing by Author "Anupama, G. C"

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  • V2676 Oph: Estimating Physical Parameters of a Moderately Fast Nova 
    Raj, A; Pavana, M; Kamath, U. S; Anupama, G. C; Walter, F. M (Copernicus Foundation for Polish Astronomy, 2018-03)
    Using our previously reported observations, we derive some physical parameters of the moderately fast nova V2676 Oph 2012 #1. The best-fit CLOUDY model of the nebular spectrum obtained on 2015 May 8 shows a hot white dwarf ...
  • V899 Mon: an outbursting protostar with a peculiar light curve, and its transition phases 
    Ninan, J. P; Ojha, D. K; Baug, T; Bhatt, B. C; Mohan, V; Ghosh, S. K; Menshchikov, A; Anupama, G. C; Tamura, M; Henning, Th (IOP Publishing, 2015-12-10)
    We present a detailed study of V899 Mon (a new member in the FUors/EXors family of young low-mass stars undergoing outburst), based on our long-term monitoring of the source starting from 2009 November to 2015 April. Our ...
  • Validation of estimated cloud fraction from MERRA-2 and AIRS data using ground based observation over IAO, Hanle 
    Shantikumar, S. N; Narendra, A; Bhatt, B. C; Prabhu, T. P; Anupama, G. C; Angchuk, D; Jorphail, S (Elsevier B.V, 2020-08-15)
    We report for validation of cloud fraction estimated from high-resolution (hourly) data from MERRA-2 and AIRS instrument aboard NASA’s Aqua satellite during its ascending and descending orbits with hourly ground-based ...
  • A very luminous jet from the disruption of a star by a massive black hole 
    Andreoni, Igor; Coughlin, Michael W; Perley, Daniel A; Yao, Yuhan; Lu, Wenbin; Bradley Cenko, S; Kumar, Harsh; Anand, Shreya; Ho, Anna Y. Q; Kasliwal, Mansi M; de Ugarte Postigo, Antonio; Sagues-Carracedo, Ana; Schulze, Steve; Alexander Kann, D; Kulkarni, S. R; Sollerman, Jesper; Tanvir, Nial; Rest, Armin; Izzo, Luca; Somalwar, Jean J; Kaplan, David L; Ahumada, Tomas; Anupama, G. C; Auchettl, Katie; Barway, Sudhanshu; Bellm, Eric C; Bhalerao, Varun; Bloom, Joshua S; Bremer, Michael; Bulla, Mattia; Burns, Eric; Campana, Sergio; Chandra, Poonam; Charalampopoulos, Panos; Cooke, Jeff; D’Elia, Valerio; Das, Kaustav Kashyap; Dobie, Dougal; Fernandez, Jose Feliciano Agui; Freeburn, James; Fremling, Cristoffer; Gezari, Suvi; Goode, Simon; Graham, Matthew J; Hammerstein, Erica; Karambelkar, Viraj R; Kilpatrick, Charles D; Kool, Erik C; Krips, Melanie; Laher, Russ R; Leloudas, Giorgos; Levan, Andrew; Lundquist, Michael J; Mahabal, Ashish A; Medford, Michael S; Coleman Miller, M; Moller, Anais; Mooley, Kunal P; Nayana, A. J; Nir, Guy; Pang, Peter T. H; Paraskeva, Emmy; Perley, Richard A; Petitpas, Glen; Pursiainen, Miika; Ravi, Vikram; Ridden-Harper, Ryan; Riddle, Reed; Rigault, Mickael; Rodriguez, Antonio C; Rusholme, Ben; Sharma, Yashvi; Smith, I. A; Stein, Robert D; Thone, Christina; Tohuvavohu, Aaron; Valdes, Frank; van Roestel, Jan; Vergani, Susanna D; Wang, Qinan; Zhang, Jielai (Springer Nature, 2022-12-15)
    Tidal disruption events (TDEs) are bursts of electromagnetic energy that are released when supermassive black holes at the centres of galaxies violently disrupt a star that passes too close1. TDEs provide a window through ...
  • VHE gamma-ray observation of Crab Nebula with HAGAR telescope array 
    Singh, B. B; Britto, R. J; Chitnis, V. R; Shukla, A; Saha, L; Sinha, A; Acharya, B. S; Vishwanath, P. R; Anupama, G. C; Bhattacharjee, P; Gothe, K .S; Nagesh, B. K; Prabhu, T. P; Rao, S. K; Srinivasan, R; Upadhya, S. S (Springer, 2019-12)
    HAGAR is a system of seven Non-imaging Atmospheric Cherenkov Telescopes located at Hanle in the Ladakh region of the Indian Himalay as at an altitude of 4270 meters amsl . Since 2008, we have observed the Crab Nebula to ...
  • X-ray confirmation of the intermediate polar IGR J16547-1916 
    Joshi, A; Wang, W; Pandey, J. C; Singh, K. P; Naik, S; Raj, A; Anupama, G. C; Rawat, N (EDP Sciences, 2022-01)
    Using X-ray observations from the NuSTAR and Swift satellites, we present temporal and spectral properties of an intermediate polar (IP) IGR J16547-1916. A persistent X-ray period at ∼546 s confirming the optical spin ...
  • The zenithal 4-m International Liquid Mirror Telescope: a unique facility for supernova studies 
    Brajesh Kumar; Pandey, Kanhaiya L; Pandey, S. B; Hickson, P; Borra, E. F; Anupama, G. C; Surdej, J (Oxford University Press on behalf of the Royal Astronomical Society, 2018-05)
    The 4-m International Liquid Mirror Telescope (ILMT) will soon become operational at the newly developed Devasthal observatory near Nainital (Uttarakhand, India). Coupled with a 4k × 4k pixels CCD detector and TDI optical ...

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