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Aryabhatta Research Institute of Observational Sciences

Aryabhatta Research Institute of Observational Sciences

 

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Recent Submissions

  • Sharma, Saurabh, et.al; Kumar, Brajesh; Rawat, Jeewan; Bora, Darshan S.; Belwal, Kuldeep; Dhami, Prakash; Bisht, Mohit (Journal of Astronomical Instrumentation, 2022-12)
    TIRCAM2 is the facility near-infrared Imager at the Devasthal 3.6-m telescope in northern India, equipped with an Aladdin III InSb array detector. We have pioneered the use of TIRCAM2 for very fast photometry, with the ...
  • Kumar, Brajesh; Kumar, Hitesh; Dangwal, Khushal Singh; Rawat, Himanshu; Misra, Kuntal; Negi, Vibhore; Jaiswar, Mukesh Kumar; Dukiya, Naveen; Ailawadhi, Bhavya (Journal of Astronomical Instrumentation, 2022-12)
    The 4 m International Liquid Mirror Telescope (ILMT) is a zenith-pointing optical observing facility at ARIES Devasthal observatory (Uttarakhand, India). The ¯rst light preparatory activities of the ILMT were accomplished ...
  • Joshi, Hema; Naja, Manish; Srivastava, Priyanka; Gupta, Tarun; Gogoi, Mukunda M.; Babu, S. Suresh (Frontiers in Earth Science, 2022-06)
    Continuous ground-based observations of aerosols over the Himalayan region are highly beneficial in studying aerosol trends over the complex geographic terrain. This study presents the results from continuous long-term ...
  • Yadav, R. K. S.; Jaiswal, Aditya; Dattatrey, Arvind K.; Yadav, Shobhit; Nanjappa, Nandish; Panwar, Neelam; Jaiswar, Mukesh Kumar; Reddey, Krishna; Pant, Jayshreekar; Medhi, Biman J. (Journal of Astronomical Instrumentation, 2022-12)
    In this paper, we present the instrumental characterization and performance of the 4k 4k CCD detector mounted on a 104-cm Sampurnanand telescope located at ARIES, Manora Peak Nainital, India. A detailed description of ...
  • Trust, Otto; Mashonkina, Lyudmila; Jurua, Edward; Cat, Peter De; Tsymbal, Vadim; Joshi, Santosh (Monthly Notices of the Royal Astronomical Society, 2023-09)
    We report the analysis of high-precision space-based photometric and high-resolution spectroscopic observations of HD 180347. The high-quality light curves from the Transiting Exoplanet Survey Satellite (TESS) under sectors ...
  • Choudhary, Nikki; Srivastava, Priyanka; Dutta, Monami; Mukherjee, Sauryadeep; Rai, Akansha; Kuniyal, Jagdish Chandra; Lata, Renu; Chatterjee, Abhijit; Naja, Manish; Vijayan, Narayanasamy; Mandal, Tuhin Kumar; Sharma, Sudhir Kumar (Aerosol and Air Quality Research, 2022-07)
    The present study represents the annual and seasonal concentration of PM10 over different sites (Darjeeling, Nainital, Mohal-Kullu) across the Himalayan region of India from July 2018 to December 2019. The collected ...
  • Zimbardo, G. ,et.al.; Banerjee, D. (Astronomy & Astrophysics, 2023-08)
    A few days before the first perihelion of the Solar Orbiter nominal mission, which occurred on 2022 March 26, the Metis coronagraph on board Solar Orbiter detected a coronal mass ejection (CME) that was moving away from ...
  • Yuan, Q.; Kushwaha, Pankaj; Gupta, Alok C.; Tripathi, Ashutosh; Wiita, Paul J.; Zhang, M.; Liu, X.; Lähteenmäki, Anne; Tornikoski, Merja; Tammi, Joni; Ramakrishnan, Venkatessh; Cui, L.; Wang, X.; Gu, M. F.; Bambi, Cosimo; Volvach, A. E. (The Astrophysical Journal, 2023-08)
    We perform correlation and periodicity search analyses on long-term multiband light curves of the flat-spectrum radio quasar PKS 1510−089 observed by the space-based Fermi-Large Area Telescope in γ-rays, the SMARTS and ...
  • Lim, Daye; Doorsselaere, Tom Van; Berghmans, David; Morton, Richard J.; Pant, Vaibhav; Mandal, Sudip (Astrophysical Journal Letters, 2023-07)
    Transverse oscillations that do not show significant damping in solar coronal loops are found to be ubiquitous. Recently, the discovery of high-frequency transverse oscillations in small-scale loops has been accelerated ...
  • Singh, Tanbir, et.al.; Singh, Narendra (Springer Nature, 2023-08)
    Exposure to particulate matter less than 2.5 µm in diameter (PM2.5) is a cause of concern in cities and major emission regions of northern India. An intensive field campaign involving the states of Punjab, Haryana and Delhi ...
  • Roy, Abhijit; Joshi, Jagdish C.; Cardillo, Martina; Sarkar, Ritabrata (Journal of Cosmology and Astroparticle Physics, 2023-08)
    Recently, the Fermi-LAT gamma-ray satellite has detected six Giant Molecular Clouds (GMCs) located in the Gould Belt and the Aquila Rift regions. In half of these objects (Taurus, Orion A, Orion B), the observed gamma-ray ...
  • Cho, Hojin ,et.al.; Rakshit, Suvendu (2023-08)
    The broad-line region (BLR) size–luminosity relation has paramount importance for estimating the mass of black holes in active galactic nuclei (AGNs). Traditionally, the size of the Hβ BLR is often estimated from the ...
  • Singh, Mridweeka et.al.; Misra, Kuntal (The Astrophysical Journal, 2023-08)
    We present the optical photometric and spectroscopic analysis of two Type Iax supernovae (SNe), 2018cni and 2020kyg. SN 2018cni is a bright Type Iax SN (MV,peak = −17.81 ± 0.21 mag), whereas SN 2020kyg (MV,peak = −14.52 ...
  • 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 ...
  • 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 ...
  • Teja, Rishabh Singh; Singh, Avinash; Sahu, D. K.; Anupama, G. C.; Kumar, Brajesh; Nakaoka, Tatsuya; Kawabata, Koji S; Yamanaka, Masayuki; Takey, Ali; Kawabata, Miho (The Astrophysical Journal, 2023-09)
    We present an extensive, panchromatic photometric (UV, optical, and near-IR) and low-resolution optical spectroscopic coverage of a Type IIP supernova SN 2018gj that occurred on the outskirts of the host galaxy NGC 6217. ...
  • Swastik, C.; Banyal, Ravinder K.; Narang, Mayank; Unni, Athira; Banerjee, Bihan; Manoj, P.; Sivarani, T. (The Astronomical Journal, 2023-09)
    The GAIA space mission is impacting astronomy in many significant ways by providing a uniform, homogeneous, and precise data set for over 1 billion stars and other celestial objects in the Milky Way and beyond. ...
  • Teja, Rishabh Singh; Singh, Avinash; Basu, Judhajeet; Anupama, G. C.; Sahu, D. K.; Dutta, Anirban; Swain, Vishwajeet; Nakaoka, Tatsuya; Pathak, Utkarsh; Bhalerao, Varun; Barway, Sudhanshu; Kumar, Harsh; A. J, Nayana; Imazawa, Ryo; Kumar, Brajesh; Kawabata, Koji S. (Astrophysical Journal Letters, 2023-09)
    We present early-phase panchromatic photometric and spectroscopic coverage spanning the far-ultraviolet to near infrared regime of the nearest hydrogen-rich core-collapse supernova (SN) in the last 25 yr, SN 2023ixf. ...
  • Dumka, Umesh Chandra; Kosmopoulos, Panagiotis G.; Baxevanaki, Effrosyni; Kaskaoutis, Dimitris G.; Huda, Muhammad Nurul; Khan, Md Firoz; Bilal, Muhammad; Ambade, Balram; Khanal, Sujan; Munshi, Pavel (MDPI, 2023-09)
    This study estimates the radiative forcing by biomass burning and dust aerosols over the Indian subcontinent, with emphasis on the Indo-Gangetic Plains (IGP) during the period from January 2021 to April 2021, based on ...
  • Didel, Shweta; Pandey, Jeewan C.; Srivastava, A. K.; Singh, Gurpreet (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We present the analyses of intense X-ray flares detected on the active fast rotator AB Dor using observations from the XMM– Newton. A total of 21 flares are detected, and 13 flares are analysed in detail. The total X-ray ...

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