Aryabhatta Research Institute of Observational Sciences: Recent submissions

  • 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 ...
  • Hayes, J. J. C.; Priyadarshi, A.; Kerins, E.; Awiphan, S.; McDonald, I.; A-thano, N.; Morgan, J.S.; Humpage, A.; Charles, S.; Wright, M.; Joshi, Y. C.; Jiang, Ing-Guey; Inyanya, T.; Padjaroen, T.; Munsaket, P.; Chuanraksasat, P.; Komonjinda, S.; Kittara, P.; Dhillon, V. S.; Marsh, T. R.; Reichart, D. E.; Poshyachinda, S. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We present TRANSITFIT1, a package designed to fit exoplanetary transit light curves. TRANSITFIT offers multi-epoch, multi wavelength fitting of multi-telescope transit data. TRANSITFIT allows per-telescope detrending to ...
  • Tripathi, Tushar; Gupta, Alok C.; Takey, Ali; Bachev, Rumen; Vince, Oliver; Strigachev, Anton; Kushwaha, Pankaj; Elhosseiny, E. G.; Wiita, Paul J.; Damljanovic, G.; Dhiman, Vinit; Fouad, A.; Gaur, Haritma; Gu, Minfeng; Hamed, G. E.; Kishore, Shubham; Kurtenkov, A.; Rastogi, Shantanu; Semkov, E.; Zead, I.; Zhang, Zhongli (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We present an extensive recent multiband optical photometric observations of the blazar S5 0716+714 carried out over 53 nights with two telescopes in India, two in Bulgaria, one in Serbia, and one in Egypt during 2019 ...
  • Dewangan, L. K.; Bhadari, N. K.; Maity, A. K.; Eswaraiah, C.; Sharma, Saurabh; Jadhav, O. R. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    To probe star formation processes, we present a multiscale and multiwavelength investigation of the ‘Snake’ nebula/infrared dark cloud G11.11−0.12 (hereafter, G11; length ∼27 pc). Spitzer images hint at the presence of ...
  • Mohana A, Krishna; Gupta, Alok C.; Marscher, Alan P.; Sotnikova, Yulia V.; Jorstad, S. G.; Wiita, Paul J.; Cui, Lang; Aller, Margo F.; Aller, Hugh D.; Kovalev, Yu. A.; Kovalev, Y. Y.; Liu, Xiang; Mufakharov, T. V.; Popkov, A. V.; Mingaliev, M. G.; Erkenov, A. K.; Nizhelsky, N. A.; Tsybulev, P. G.; Tsybulev, P. G.; Zhao, Wei; Weaver, Z. R.; Morozova, D. A. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We present the results of our study of cross-correlations between long-term multiband observations of the radio variability of the blazar 3C 279. More than a decade (2008–2022) of radio data were collected at seven different ...
  • Parida, Sugyan; Yadav, Abhay Pratap; Kraus, Michaela; Glatze, Wolfgang; Joshi, Yogesh Chandra; Joshi, Santosh (Monthly Notices of the Royal Astronomical Society, 2024-01)
    B[e] type stars are characterized by strong emission lines, photometric, and spectroscopic variabilities and unsteady mass-loss rates. MWC 137 is a galactic B[e] type star situated in the constellation Orion. Recent ...
  • Ghosh, Ankur; Vaishnava, C. S.; Resmi, L.; Misra, Kuntal; Arun, K. G.; Omar, Amitesh; Chakradhari, N. K. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    In some cases, the merger of two neutron stars can produce a rapidly rotating and highly magnetized millisecond magnetar. A significant proportion of the rotational energy deposited to the emerging ejecta can produce a ...
  • Jess, David B.; Grant, Samuel D.T.; Bate, William; Liu, Jiajia; Jafarzadeh, Shahin; Keys, Peter H.; Vieira, Luís E.A.; Lago, Alisson Dal; Guarnieri, Fernando L.; Christian, Damian J.; Gilliam, Doug; Banerjee, Dipankar (Solar Physics, 2023-12)
    The solar physics community is entering a golden era that is ripe with next-generation ground- and space-based facilities, advanced spectral inversion techniques, and realistic simulations that are becoming more ...
  • Kishore, Shubham; Gupta, Alok C.; Wiita, Paul J. (The Astrophysical Journal, 2024-01)
    We have analyzed the optical light curves of the blazar OJ 287 obtained with the Transiting Exoplanet Survey Satellite over about 80 days from 2021 October 13 to December 31, with an unprecedented sampling of 2 ...
  • Dhiman, Vinit; Gupta, Alok C.; Bachev, Rumen; Wiita, Paul J.; Cellone, Sergio A.; Strigachev, A.; Gaur, Haritma; Darriba, A.; Bisen, D. P.; Locatelli, G.; Mammana, L. A.; Semkov, E. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We report the first extensive optical flux and spectral variability study of the TeV blazar TXS 0506 + 056 on intranight to long-term time-scales using BVRI data collected over 220 nights between 2017 January 21 to 2022 ...
  • Kaur, Harmeen et.al; Shrama, Saurabh; Verma, Aayushi; Panwar, Neelam; Ghosh, Arpan (Journal Astrophysical Astronomy, 2023-06)
    We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the 1.3-m Devasthal Fast Optical Telescope along with archival photometric data from Pan-STARRS2/2MASS/UKIDSS ...
  • Bhagat, Shailesh B.et.al; Reddy, B. Krishna; Nanjappa, Nadish; Bangia, Tarun; Shrama, Saurabh (Journal Astrophysical Astronomy, 2023-06)
    TIFR Near Infrared Imaging Camera-II (TIRCAM2) is being used at the 3.6-m Devasthal Optical Telescope (DOT) operated by Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, Uttarakhand, India. ...
  • Tripathi, Apara; Panwar, Neelam; SHARMA, SAURABH; Kumar, Brijesh; Rastogi, Shantanu (Journal Astrophysical Astronomy, 2023-06)
    We present photometric and kinematic analyses of an intermediate-age open cluster NGC 1027 using UBV(R I)c and Gaia Early Data Release 3 (EDR3) data. Structural and fundamental parameters, such as cluster center, cluster ...

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