Welcome to the Digital Repository of Indian Institute of Astrophysics

This digital repository of Indian Institute of Astrophysics (IIAP), Bangalore, India is developed to capture, organize disseminate and preserve the research publications of IIAP. It also includes the in-house technical reports and annual reports in addition to various other grey literatures created within the institute.You can search, browse and access full text of these publications from the repository.

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  • Star formation in neutral hydrogen gas reservoirs at cosmic noon 
    Dharmender; Joshi, Ravi; Fumagalli, Michele; Noterdaeme, Pasquier; Chand, Hum; Ho, Luis C (EDP Sciences, 2024-12)
    We aim to constrain the average star formation associated with neutral hydrogen gas reservoirs at cosmic noon. We used a unprecedented sample of 1716 high-column-density, damped Ly-α absorbers (DLAs) from the Sloan Digital ...
  • AT 2021hdr: A candidate tidal disruption of a gas cloud by a binary super massive black hole system 
    Hernandez-García, L; Munoz-Arancibia, A. M; Lira, P; Bruni, G; Cuadra, J; Arevalo, P; Sanchez-Saez, P; Bernal, S; Bauer, Franz E; Catelan, Marcio; Panessa, F; Pavez-Herrera, M; Ricci, Claudio; Reyes-Jainaga, I; Ailawadhi, Bhavya; Chavushyan, V; Dastidar, R; Deconto-Machado, A; Forster, F; Gangopadhyay, A; Garcia-Perez, A; Marquez, I; Masegosa, J; Misra, K; Patino-Alvarez, V. M; Puig-Subira, M; Rodi, J; Singh, M (EDP Sciences, 2024-12)
    With a growing number of facilities able to monitor the entire sky and produce light curves with a cadence of days, in recent years there has been an increased rate of detection of sources whose variability deviates from ...
  • Transition region brightening in a moss region and their relation with lower atmospheric dynamics 
    Ram, Bhinva; Samanta, T; Chen, Yajie; Sterling, Alphonse C; Joshi, Jayant; Yurchyshyn, Vasyl; Chitta, L. P; Pant, Vaibhav (American Astronomical Society, 2024-12-10)
    Small-scale brightenings (SBs) are commonly observed in the transition region (TR) that separates the solar chromosphere from the corona. These brightenings, omnipresent in active region patches known as "moss" regions, ...
  • Demography of stellar radio population within 500 pc: a VLASS-gaia DR3 study 
    Ayanabha, D; Narang, Mayank; Puravankara, Manoj; Shridharan, B; Tyagi, Himanshu; Banerjee, Bihan; Nayak, Prasanta K; Surya, Arun (American Astronomical Society, 2024-12)
    In this work, we have carried out a systematic analysis of the Very Large Array Sky Survey (VLASS) quick look catalogs together with Gaia DR3 to identify the optical counterparts of 3 GHz radio emitters within 500 pc to ...
  • Insight-HXMT view of the black hole candidate swift J1727.8–1613 during its outburst in 2023 
    Chatterjee, Kaushik; Mondal, Santanu; Singh, Chandra B; Sugizaki, Mutsumi (American Astronomical Society, 2024-12-20)
    The transient Galactic black hole candidate Swift J1727.8-1613 went through an outburst for the very first time in 2023 August and lasted for almost 6 months. We study the timing and spectral properties of this source using ...

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