IIAP Publications: Recent submissions

  • Mathur, Harsh; Thulasidharen, K. C; Hemanth, P; Nagaraju, K; Rajalingam, M (World Scientific Publishing, 2023-02)
    The Kodaikanal Tower Tunnel Telescope (KTT) is a three-mirror Coelostat-based Solar telescope. An inherent variable image drift is present in the KTT which is detrimental to observations particularly to slit-based spectroscopic ...
  • Dumka, U. C; Kaskaoutis, D. G; Khatri, Pradeep; Shantikumar, N. S; Sheoran, Rahul; Jade, Sridevi; Shrungeshwara, T. S; Rupakheti, Maheswar (Elsevier B.V., 2022-02)
    We analyze long-term aerosol and precipitable water vapour (PWV) properties at two high-altitude sites (Nainital and Hanle) over the central Himalayan and western Trans-Himalayan region from 2008 to 2018. First-time ...
  • Haghighi, Rezvan Ravanfar; Chatterjee, S; Chatterjee, Vani Vardhan; Hosseinipanah, Sedigheh; Tadrisinik, Fariba (Elsevier B.V., 2022-03)
    Purpose: Several investigations are being carried since the past decade to use gold nanoparticles’ (AuNP) suspensions as contrast agents (CA) for imaging in Computed Tomography. For this, the optimal size of AuNP has ...
  • Ammenadka, Krishna Mohana; Bhattacharya, Debbijoy; Bhattacharyya, Subir; Bhatt, N; Stalin, C. S (Multidisciplinary Digital Publishing Institute, 2022-10)
    The blazar PKS 0208-512 was in the lowest 𝛾 -ray brightness state during the initial 10 years of observations with the Fermi Gamma-ray Space Telescope (Fermi), which was an order of magnitude lower than its flux state ...
  • Kalita, Surajit; Sarmah, Lupamudra; Wojnar, Aneta (Multidisciplinary Digital Publishing Institute, 2022-12)
    A simple cooling model of white dwarf stars is re-analyzed in Palatini 𝑓(𝑅) gravity. Modified gravity affects the white dwarf structures and consequently their ages. We find that the resulting super-Chandrasekhar white ...
  • Bundy, Kevin; Law, David; MacDonald, Nick; Westfall, Kyle B.; Sivarani, T; Divakar, Devika; Bershady, Matthew; Gu, Meng; Yan, Renbin; Roy, Namrata; Poppett, Claire; Drory, Niv (American Astronomical Society, 2022-09-01)
    The use of optical fibers in astronomical instrumentation offers high-multiplex and light-gathering flexibility. However, with most previous fiber spectrographs optimized for large fields of view on modest-aperture telescopes, ...
  • Shantikumar, N. S; Larson, E. J. L; Dumka, U. C; Estelles, Victor; Campanelli, M; Steve, Colwell (Elsevier B.V., 2019-03)
    We examined long-term aerosol optical depth (AOD) trends over 53 sites across the globe which comprise 49 sites from the Aerosol Robotic Network (AERONET) and 4 sites from the Sky radiometer Network (SKYNET) during 1995–2018. ...
  • Ghosh, Arpan; Sharma, Saurabh; Ninan, Joe P; Ojha, Devendra K; Bhatt, B. C; Kanodia, Shubham; Mahadevan, Suvrath; Stefansson, Gudmundur; Yadav, R. K; Gour, A. S; Pandey, Rakesh; Sinha, Tirthendu; Panwar, Neelam; Wisniewski, John P; Canas, Caleb I; Lin, Andrea S. J; Roy, Arpita; Hearty, Fred; Ramsey, Lawrence; Robertson, Paul; Schwab, Christian (American Astronomical Society, 2022-02-10)
    The Gaia Alert System issued an alert on 2020 August 28, on Gaia 20eae when its light curve showed a ∼4.25 magnitude outburst. We present multiwavelength photometric and spectroscopic follow-up observations of this source ...
  • Dutta, Rajeshwari; Kurapati, Sushma; Aditya, J. N. H. S.; Bait, Omkar; Mousumi Das; Dutta, Prasun; Indulekha, K; Nandakumar, Meera; Patra, Narendra Nath; Roy, Nirupam; Roychowdhury, Sambit (Indian Academy of Sciences, 2022-12)
    One of the major science goals of square kilometre array (SKA) is to understand the role played by atomic hydrogen (HI) gas in the evolution of galaxies throughout cosmic time. The hyperfine transition line of the hydrogen ...
  • Banerjee, Gourav; Mathew, Blesson; Paul, K. T; Subramaniam, A; Balan, Anjusha; Bhattacharyya, Suman; Anusha, R; Moosa, Deeja; Dheeraj, C. S.; Charly, Aleeda; Raghu, Megha (Indian Academy of Sciences, 2022-12)
    Variability is a commonly observed property of classical Be stars (CBe) stars. In extreme cases, complete disappearance of the Hα emission line occurs, indicating a disc-less state in CBe stars. The disc-loss and reappearing ...
  • Ching, Tao-Chung; Qiu, Keping; Li, Di; Ren, Zhiyuan; Lai, Shih-Ping; Berry, David; Pattle, Kate; Furuya, Ray; Ward-Thompson, Derek; Johnstone, Doug; Koch, Patrick M.; Liu, Sheng-Yuan; Iwasaki, Kazunari; Jeong, Il-Gyo; Konyves, Vera; Kang, Ji-hyun; Kang, Miju; Karoly, Janik; Kataoka, Akimasa; Kawabata, Koji; Kemper, Francisca; Hasegawa, Tetsuo; Kim, Jongsoo; Lu, Xing; Kim, Mi-Ryang; Kim, Shinyoung; Kim, Hyosung; Kim, Kee-Tae; Kim, Gwanjeong; Kirk, Jason; Kobayashi, Masato I. N.; Kusune, Takayoshi; Shinnaga, Hiroko; Kwon, Jungmi; Lacaille, Kevin; Mairs, Steve; Law, Chi-Yan; Lee, Sang-Sung; Lee, Hyeseung; Lee, Jeong-Eun; Lee, Chin-Fei; Lee, Yong-Hee; Li, Guangxing; Tang, Ya-Wen; Matsumura, Masafumi; Matthews, Brenda; Moriarty-Schieven, Gerald; Nagata, Tetsuya; Nakamura, Fumitaka; Lee, Chang Won; Nakanishi, Hiroyuki; Ngoc, Nguyen Bich; Ohashi, Nagayoshi; Park, Geumsook; Tomisaka, Kohji; Parsons, Harriet; Peretto, Nicolas; Priestley, Felix; Pyo, Tae-Soo; Qian, Lei; Rao, Ramprasad; Hoang, Thiem; Rawlings, Mark; Rawlings, Jonathan; Retter, Brendan; Tram, Le Ngoc; Richer, John; Rigby, Andrew; Sadavoy, Sarah; Saito, Hiro; Savini, Giorgio; Seta, Masumichi; Shimajiri, Yoshito; Tsukamoto, Yusuke; Viti, Serena; Wang, Hongchi; Wu, Jintai; Xie, Jinjin; Cho, Jungyeon; Yang, Meng-Zhe; Kwon, Woojin; Yen, Hsi-Wei; Yoo, Hyunju; Yuan, Jinghua; Yun, Hyeong-Sik; Zenko, Tetsuya; Zhang, Chuan-Peng; Zhang, Yapeng; Zhang, Guoyin; Choi, Yunhee; Zhou, Jianjun; Zhu, Lei; Bastien, Pierre; Looze, Ilse de; Andre, Philippe; Darren Dowell, C.; Eyres, Stewart; Falle, Sam; Robitaille, Jean-Francois; Loo, Sven van; Choi, Youngwoo; Eswaraiah, Chakali; Wang, Jia-Wei; Kim, Kyoung Hee; Hwang, Jihye; Archana Soam; Lyo, A-Ran; Liu, Junhao; Le Gouellec, Valentin J. M.; Arzoumanian, Doris; Whitworth, Anthony; Choi, Minho; Di Francesco, James; Poidevin, Frederick; Liu, Tie; Coude, Simon; Tahani, Mehrnoosh; Liu, Hong-Li; Onaka, Takashi; Li, Dalei; Tamura, Motohide; Chen, Zhiwei; Chrysostomou, Antonio; Tang, Xindi; Kirchschlager, Florian; Bourke, Tyler L.; Byun, Do-Young; Chen, Mike; Chen, Huei-Ru Vivien; Chen, Wen Ping; Chung, Eun Jung; Sophia Dai, Y.; Diep, Pham Ngoc; Doi, Yasuo; Duan, Yan; Li, Hua-bai; Duan, Hao-Yuan; Eden, David; Fanciullo, Lapo; Fiege, Jason; Fissel, Laura M.; Franzmann, Erica; Friberg, Per; Friesen, Rachel; Fuller, Gary; Gledhill, Tim; Lin, Sheng-Jun; Graves, Sarah; Greaves, Jane; Griffin, Matt; Gu, Qilao; Han, Ilseung; Hayashi, Saeko; Houde, Martin; Hull, Charles L. H.; Inoue, Tsuyoshi; Inutsuka, Shu-ichiro (American Astronomical Society, 2022-12-20)
    We present 850 μm dust polarization observations of the massive DR21 filament from the B-fields In STar-forming Region Observations (BISTRO) survey, using the POL-2 polarimeter and the SCUBA-2 camera on the James Clerk ...
  • Chaudhuri, R. K; Chattopadhyay, Sudip (American Institute of Physics, 2022-12)
    Exploration of the tractable size basis set that can provide reliable estimates of computed properties for systems containing heavy elements has been the subject of interest in quantum chemistry over many decades. In this ...
  • Kapoor, R. C; Orchiston, Wayne (University of Science and Technology of China, 2023-03)
    In this paper we outline the efforts made by the East India Company, the British colonial authorities, visiting astronomical expeditions and expatriate amateur astronomers to establish astronomical observatories in India ...
  • Clarke, Jonathan; Safonova, M; Sivaram, C; Pandey, Siddharth; Blank, Jennifer G. (Frontiers, 2022-11)
  • Kapoor, R. C (University of Science and Technology of China, 2022-09)
    Meteor phenomena are always fascinating and capture popular attention. This paper reports results of a search for references to and records of meteor showers observed in the Indian region, until the close of the nineteenth ...
  • Varma, Manoj; Tyagi, Anurag; Joshi, Bhushan; Yadav, Reena; Chordia, Pravin; Kumar, Ghanshyam; Sinha, Sakya; Burse, Mahesh; Padinhatteri, Sreejith; Deogaonkar, Rushikesh; Ramaprakash, A. N; Ghosh, Avyarthana; Tripathi, Durgesh; Sarkar, Janmejoy; Sankarasubramanian, K; Nagaraju, K; Vadodariya, Koushal; Kesharwani, Ravi; Khan, Aafaque; Olekar, Manjunath; Azaruddin, Mohamed (Oxford University Press on behalf of the Royal Astronomical Society, 2023-01)
    The Solar Ultraviolet Imaging Telescope (SUIT) is one of the payloads onboard the Aditya-L1 mission. It will perform full disc imaging of the Sun in the near-ultraviolet (UV) wavelength range of 200–400 nm. This provides ...
  • Sheoran, Jyoti; Pant, V; Ritesh Patel; Banerjee, D (Frontiers, 2023-02)
    The thermodynamic evolution of Coronal Mass Ejections (CMEs) in the inner corona (≤1.5 Rsun) is not yet completely understood. In this work, we study the evolution of thermodynamic properties of a CME core observed in the ...
  • Kalita, Surajit; Sarmah, Lupamudra; Wojnar, Aneta (2023-02-15)
    We analyze the effects of modified gravity on specific heats of electrons and ions, Debye temperature, crystallization process, and cooling mechanism in white dwarfs. We derive the Lane-Emden-Chandrasekhar equation and ...
  • Murthy, J; Henry, R. C; Overduin, James (Indian Academy of Sciences, 2023-12)
    We have modeled the diffuse background at the Galactic Poles in the far-ultraviolet (FUV: 1536 Å) and the near-ultraviolet (NUV: 2316 Å). The background is well-fit using a single-scattering dustmodel with an offset ...
  • Shridharan, B; Mathew, Blesson; Arun, R; Cysil, T. B (Indian Academy of Sciences, 2023-12)
    Herbig Ae/Be stars are intermediate-mass pre-main sequence stars undergoing accretion through their circumstellar disk. The optical and infrared (IR) spectra of HAeBe stars show Hi emission lines belonging to Balmer, ...

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