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Browsing by Author "Kamath, U. S"

Browsing by Author "Kamath, U. S"

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  • Shock-driven synchrotron radio emission from the 2021 outburst of RS Ophiuchi 
    Nayana, A. J; Anupama, G. C; Roy, Nirupam; Banerjee, Dipankar P. K; Singh, Kulinder Pal; Sonith, L. S; Kamath, U. S (Oxford University Press on behalf of Royal Astronomical Society, 2024-03)
    We present low-frequency radio observations of the Galactic symbiotic recurrent nova RS Ophiuchi during its 2021 outburst. The observations were carried out with the upgraded Giant Metrewave Radio Telescope spanning a ...
  • Soft X-ray and FUV observations of Nova Her 2021 (V1674 Her) with AstroSat 
    Bhargava, Yash; Dewangan, Gulab Chand; Anupama, G. C; Kamath, U. S; Sonith, L. S; Singh, Kulinder Pal; Drake, J. J; Beardmore, A; Luna, G. J. M; Orio, M; Page, K. L (Published by Oxford University Press on behalf of Royal Astronomical Society, 2024-02)
    Nova Her 2021 or V1674 Her was one of the fastest novae to be observed so far. We report here the results from our timing and spectral studies of the source observed at multiple epochs with AstroSat. We report the detection ...
  • Spectroscopic monitoring of the symbiotic star BX monocerotis 
    Anupama, G. C; Kamath, U. S; Gurugubelli, U. K; Mikołajewska, J (Vilnius University and the Lithuanian Astronomical Union, 2012)
    Low resolution optical spectra of the symbiotic star BX Monocerotis in the 3500--9000 A range obtained during 1999--2010 are described. The spectrum of BX Mon at all phases is dominated by the cool component, with a red ...
  • Star formation around three co-moving HAeBe stars in the Cepheus Flare 
    Saha, Piyali; Maheswar, G; Mathew, B; Kamath, U. S (EDP Sciences, 2021-09)
    The presence of three more Herbig Ae/Be (HAeBe) candidates in the Cepheus Flare within a 1.5° radius centered on HD 200775 suggests that star formation is prevalent in a wider region of the LDN 1147/1158, LDN 1172/1174, ...
  • Studies of classical novae and related objects 
    Kamath, U. S (Astronomical Society of India, 2000)
    This thesis is based on studies of two classical novae - V1425 Aquilae (J H K photometry and optical spectroscopy) and V723 Cassiopeiae (J H K photometry) and a sample of symbiotic stars (J H K photometry and Circular ...
  • TCP J18224935-2408280: a symbiotic star identified during outburst 
    Sonith, L. S; Kamath, U. S (Oxford University Press on behalf of Royal Astronomical Society, 2023-12)
    TCP J18224935-2408280 was reported to be in outburst on 2021 May 19. Follow-up spectroscopic observations confirmed that the system was a symbiotic star. We present optical spectra obtained from the Himalayan Chandra ...
  • 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 ...

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