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Browsing Aryabhatta Research Institute of Observational Sciences by Author "Ojha, Devendra K."

Browsing Aryabhatta Research Institute of Observational Sciences by Author "Ojha, Devendra K."

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  • Exploring Stellar Cluster and Feedback-driven Star Formation in the Galactic Mid infrared Bubble [HKS2019] E70 
    Verma, Aayushi; Sharma, Saurabh; Mallick, Kshitiz K.; Dewangan, Lokesh; Ojha, Devendra K.; Yadav, Ram Kesh; Pandey, Rakesh; Ghosh, Arpan; Kaur, Harmeen; Panwar, Neelam; Chand, Tarak (The Astrophysical Journal, 2023-08)
    We present a comprehensive analysis of the Galactic mid-infrared bubble [HKS2019] E70 (E70) by adopting a multiwavelength approach to understand the physical environment and star formation scenario around it. We identified ...
  • 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 ...
  • PYTANSPEC: A data reduction package for TANSPEC 
    Ghosh, Supriyo; Ninan, Joe P.; Ojha, Devendra K.; Shrama, Saurabh (Journal Astrophysical Astronomy, 2023-06)
    TIFR-ARIES Near Infrared Spectrometer (TANSPEC) instrument provides simultaneous wave length coverage from 0.55 to 2.5 μm, mounted on India’s largest ground-based telescope, 3.6-m Devasthal Optical Telescope at Nainital, ...
  • Structure and Kinematics of Sh2-138—A Distant Hub-filament System in the Outer Galactic Plane 
    Mallick, Kshitiz K.; Dewangan, Lokesh K.; Ojha, Devendra K.; Baug, Tapas; Zinchenko, Igor I. (The Astrophysical Journal, 2023-02)
    We present a molecular line study of the Sh2-138 (IRAS 22308+5812) hub-filament system with the aim of investigating its structure and kinematics. Archival CO molecular line data from the Canadian Galactic Plane Survey ...
  • TIFR treasures for astronomy from ground to space 
    Ghosh, Supriyo; Ojha, Devendra K.; Shrama, Saurabh; Naik, Milind B. (Journal of Astrophysics and Astronomy, 2022-06)
    The infrared astronomy group of the Department of Astronomy and Astrophysics at Tata Institute of Fundamental Research has been pursuing astronomical instrumentation activities since its inception. The group has been ...

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