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Browsing by Author "Yadav, R. K."

Browsing by Author "Yadav, R. K."

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  • Investigation of the stellar content in the western part of the Carina nebula 
    Kumar, Brajesh; Sharma, S.; Manfroid, J.; Gosset, E.; raow, G.; Naze, Y.; Yadav, R. K. (ESO, 2014-07)
    Context. The low obscuration and proximity of the Carina nebula make it an ideal place to study the ongoing star formation process b and impact of massive stars on low-mass stars in their surroundings. Aims. To investigate ...
  • Main-sequence variable stars in young open cluster NGC 1893 
    Lata, S.; Yadav, R. K.; Pandey, A. K.; Richichi, Andrea; Eswaraiah, C.; Kumar, Brajesh; Kappelmann, Norbert; Sharma, Saurabh (Oxford, 2014-06-04)
    n this paper, we present time series photometry of 104 variable stars in the cluster region NGC 1893. The association of the present variable candidates to the cluster NGC 1893 has been determined by using (U − B)/(B − ...
  • Multiwavelength Studies of H II region NGC 2467 
    Yadav, R. K.; Pandey, A. K.; Sharma, S.; Eswaraiah, C. (AIP Publishing LLC, 2013)
    We present the multiwavelength studies of the H II region Sh2-311 to explore the effects of massive stars on low-mass star formation. In this study we have used optical (UBVI) data from ESO 2.2m Wide Field Imager (WFI), ...
  • Optical and near-infrared survey of the stellar contents associated with the star-forming complex Sh2-252 
    Jose, J. et. al.; Pandey, A. K.; Samal, M. R.; Chauhan, N.; Eswaraiah, C,; Yadav, R. K. (2012)
    We present the analyses of the stellar contents associated with the extended HII region Sh2- 252 using deep optical UBVRI photometry, slit and slitless spectroscopy along with the near-infrared (NIR) data from Two-Micron ...
  • Optical photometric and polarimetric investigation of NGC 1931 
    Pandey, A. K. et. al.; Eswaraiah, C.; Sharma, S.; Yadav, R. K. (2013)
    We present optical photometric and polarimetric observations of stars toward NGC 1931 with the aim of deriving cluster parameters such as distance, reddening, age, and luminosity/mass function as well as understanding ...
  • Post-outburst Evolution of Bona Fide FU Ori-type V2493 Cygnus: A Spectro photometric Monitoring 
    Ghosh, Arpan; Sharma, Saurabh; Ninan, Joe P.; Ojha, Devendra K.; Bhatt, Bhuwan C.; Sahu, D. K.; Baug, Tapas; Yadav, R. K.; Irawati, Puji; Gour, A. S.; Panwar, Neelam; Pandey, Rakesh; Sinha, Tirthendu (The Astrophysical Journal, 2023-09)
    We present here the results of 8 yr of our near-simultaneous optical–near-infrared spectro-photometric monitoring of the bona fide FU Ori (FUor)-type candidate V2493 Cygnus (V2493 Cyg) starting from 2013 September to ...

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