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Browsing by Author "Chakradhari, N. K"

Browsing by Author "Chakradhari, N. K"

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  • Study of chemically peculiar stars - I. High-resolution spectroscopy and K2 photometry of Am stars in the region of M44 
    Joshi, Santosh; Trust, Otto; Semenko, E; Williams, P. E; Lampens, P; De Cat, P; Vermeylen, L; Holdsworth, D. L; García, R. A; Mathur, S; Santos, A. R. G; Mkrtichian, D; Goswami, A; Cuntz, M; Yadav, A. P; Sarkar, M; Bhatt, B. C; Kahraman Alicavus, F; Nhlapo, M. D; Lund, M. N; Goswami, P. P; Savanov, I; Jorissen, A; Jurua, E; Avvakumova, E; Dmitrienko, E. S; Chakradhari, N. K; Das, M. K; Chowdhury, S; Abedigamba, O. P; Yakunin, I; Letarte, B; Karinkuzhi, D (Oxford University Press on behalf of Royal Astronomical Society, 2022-03)
    We present a study based on the high-resolution spectroscopy and K2 space photometry of five chemically peculiar stars in the region of the open cluster M44. The analysis of the high-precision photometric K2 data reveals ...
  • Study of dust and ionized gas in early-type galaxies 
    Kulkarni, S; Sahu, D. K; Chaware, L; Chakradhari, N. K; Pandey, S. K (Elsevier B.V, 2014-07)
    We present results of optical broad-band and narrow-band Hα observations of a sample of forty nearby early-type galaxies. The majority of sample galaxies are known to have dust in various forms viz. dust lanes, nuclear ...
  • Supernova SN 2012dn: a spectroscopic clone of SN 2006gz 
    Chakradhari, N. K; Sahu, D. K; Srivastav, S; Anupama, G. C (Oxford University Press on behalf of the Royal Astronomical Society, 2014-09-11)
    We present optical and UV analysis of the luminous Type Ia supernova SN 2012dn covering the period from ∼−11 to +109 d with respect to the B-band maximum, which occurred on JD 245 6132.89 ± 0.19, with an apparent magnitude ...
  • Type Ia supernovae SN 2013bz, PSN J0910 + 5003, and ASASSN-16ex: similar to 09dc-like? 
    Tiwari, S; Chakradhari, N. K; Sahu, D. K; Anupama, G. C; Kumar, B; Sahu, K. R (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    We present optical photometric and spectroscopic studies of three supernovae (SNe): SN 2013bz, PSN J0910 + 5003, and ASASSN-16ex (SN 2016ccj). UV–optical photometric data of ASASSN-16ex obtained with the Swift ...

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