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Browsing by Author "Saha, Piyali"

Browsing by Author "Saha, Piyali"

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  • A census of young stellar population associated with the Herbig Be star HD 200775 
    Saha, Piyali; Maheswar, G; Kamath, U. S; Lee, C. W; Puravankara, Manoj; Mathew, B; Sharma, Ekta (Oxford University Press on behalf of the Royal Astronomical Society, 2020-06)
    The region surrounding the well-known reflection nebula, NGC 7023, illuminated by a Herbig Be star, HD 200775, located in the dark cloud L1174 is studied in this work. Based on the distances and proper motion values from ...
  • Distance, magnetic field, and kinematics of the filamentary cloud LDN 1157 
    Sharma, Ekta; Maheswar, G; Archana Soam; Lee, Chang Won; Kim, Shinyoung; Ghosh, Tuhin; Anandmayee Tej; Kim, Gwanjeong; Sharma, Neha; Saha, Piyali (EDP Sciences, 2020-07)
    Context. LDN 1157 is one of several clouds that are situated in the cloud complex LDN 1147/1158. The cloud presents a coma-shaped morphology with a well-collimated bipolar outflow emanating from a Class 0 protostar, LDN ...
  • Investigation of Rocket Effect in BRC 18 using Gaia EDR3 
    Saha, Piyali; Maheswar, G; Ojha, D. K; Neha, Sharma (Oxford University Press on behalf of Royal Astronomical Society, 2022-02)
    Bright-rimmed clouds (BRCs) are ideal candidates to study radiation-driven implosion mode of star formation as they are potential sites of triggered star formation, located at the edges of HII regions, showing evidence ...
  • Investigation of rocket effect in bright-rimmed clouds using Gaia EDR3 
    Saha, Piyali; Maheswar, G; Ojha, D. K; Baug, Tapas; Neha, Sharma (Oxford University Press on behalf of Royal Astronomical Society, 2022-09)
    Bright-rimmed clouds (BRCs) are excellent laboratories to explore the radiation-driven implosion mode of star formation because they show evidence of triggered star formation. In our previous study, BRC 18 has been found ...
  • Magnetic fields and young stellar objects in cometary cloud L1616 
    Saha, Piyali; Archana Soam; Baug, Tapas; Maheswar, G; Mondal, Soumen; Ghosh, Tuhin (Oxford University Press on behalf of Royal Astronomical Society, 2022-06)
    The Lynds’ Dark Nebula (LDN) 1615/1616 and CB 28 (hereafter L1616) together form a cometary globule located at an angular distance of about 8◦ west of the Orion OB1 association, aligned roughly along the east–west direction, ...
  • 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, ...
  • Tracing the magnetic field morphology of the LDN 1172/1174 cloud complex 
    Saha, Piyali; Maheswar, G; Sharma, Ekta; Lee, Chang Won; Ghosh, Tuhin; Kim, Shinyoung (EDP Sciences, 2021-11)
    Context. The LDN 1172/1174 cloud complex in the Cepheus Flare region presents a hub-filament structure with the reflection nebula, NGC 7023, illuminated by a Herbig Be star, HD 200775, which consists of the hub with a ~5 ...

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