IIAP Publications: Recent submissions

  • First BISTRO Observations of the Dark Cloud Taurus L1495A-B10: The Role of the Magnetic Field in the Earliest Stages of Low-mass Star Formation 
    Ward-Thompson, Derek; Karoly, Janik; Pattle, Kate; Whitworth, Anthony; Kirk, Jason; Berry, David; Bastien, Pierre; Ching, Tao-Chung; Coude, Simon; Hwang, Jihye; Kwon, Woojin; Nakamura, Fumitaka; Kirchschlager, Florian; Kobayashi, Masato I. N; Koch, Patrick M; Kusune, Takayoshi; Kwon, Jungmi; Lacaille, Kevin; Law, Chi-Yan; Lee, Chang Won; Lee, Hyeseung; Hasegawa, Tetsuo; Lee, Yong-Hee; Nakanishi, Hiroyuki; Lee, Chin-Fei; Lee, Jeong-Eun; Li, Dalei; Li, Di; Li, Guangxing; Li, Hua-bai; Lin, Sheng-Jun; Liu, Hong-Li; Tram, Le Ngoc; Liu, Tie; Liu, Sheng-Yuan; Ngoc, Nguyen Bich; Liu, Junhao; Longmore, Steven; Lu, Xing; Lyo, A-Ran; Mairs, Steve; Matsumura, Masafumi; Matthews, Brenda; Tsukamoto, Yusuke; Ohashi, Nagayoshi; Onaka, Takashi; Park, Geumsook; Parsons, Harriet; Peretto, Nicolas; Archana Soam; Priestley, Felix; Pyo, Tae-Soo; Qian, Lei; Rao, Ramprasad; Viti, Serena; Rawlings, Jonathan; Rawlings, Mark; Rette, Brendan; Richer, John; Rigby, Andrew; Sadavoy, Sarah; Wang, Jia-Wei; Saito, Hiro; Savini, Giorgio; Seta, Masumichi; Wang, Hongchi; Shimajiri, Yoshito; Shinnaga, Hiroko; Tahani, Mehrnoosh; Tamura, Motohide; Tang, Ya-Wen; Tang, Xindi; Tomisaka, Kohji; Wu, Jintai; Xie, Jinjin; Yang, Meng-Zhe; Yen, Hsi-Wei; Yoo, Hyunju; Fuller, Gary; Yuan, Jinghua; Lai, Shih-Ping; Yun, Hyeong-Sik; Zenko, Tetsuya; Zhang, Guoyin; Zhang, Yapeng; Zhang, Chuan-Peng; Zhou, Jianjun; Zhu, Lei; de Looze, Ilse; Furuya, Ray; Andre, Philippe; Dowell, C. Darren; Qiu, Keping; Eden, David; Eyres, Stewart; Falle, Sam; Le Gouellec, Valentin J. M; Poidevin, Frederick; Robitaille, Jean-François; van Loo, Sven; Gledhill, Tim; Arzoumanian, Doris; Bourke, Tyler L; Byun, Do-Young; Chen, Huei-Ru Vivien; Chen, Wen Ping; Chen, Mike; Chen, Zhiwei; Cho, Jungyeon; Choi, Minho; Choi, Youngwoo; Graves, Sarah; Choi, Yunhee; Chrysostomou, Antonio; Chung, Eun Jung; Dai, Sophia; Debattista, Victor; Di Francesco, James; Diep, Pham Ngoc; Doi, Yasuo; Duan, Hao-Yuan; Duan, Yan; Greaves, Jane; Eswaraiah, Chakali; Fanciullo, Lapo; Fiege, Jason; Fissel, Laura M; Franzmann, Erica; Friberg, Per; Friesen, Rachel; Griffin, Matt; Gu, Qilao; Han, Ilseung; Hayashi, Saeko; Hoang, Thiem; Moriarty-Schieven, Gerald; Houde, Martin; Hull, Charles L. H; Inoue, Tsuyoshi; Inutsuka, Shu-ichiro; Iwasaki, Kazunari; Jeong, Il-Gyo; Johnstone, Doug; Konyves, Vera; Kang, Ji-hyun; Kang, Miju; Nagata, Tetsuya; Kataoka, Akimasa; Kawabata, Koji; Kemper, Francisca; Kim, Jongsoo; Kim, Shinyoung; Kim, Gwanjeong; Kim, Kyoung Hee; Kim, Mi-Ryang; Kim, Kee-Tae; Kim, Hyosung (American Astronomical Society, 2023-04-01)
    We present BISTRO Survey 850 μm dust emission polarization observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the James Clerk Maxwell Telescope (JCMT). We observe a roughly triangular network ...
  • Confirmation of two magnetic cataclysmic variables as polars: 1RXS J174320.1−042953 and YY Sex 
    Rawat, Nikita; Pandey, J. C; Joshi, Arti; Potter, Stephen B; Hojaev, Alisher S; De Becker, Michael; Rao, Srinivas M; Yadava, Umesh (Oxford University Press on behalf of Royal Astronomical Society, 2023-05)
    We present our analysis of new and archived observations of two candidate magnetic cataclysmic variables, namely 1RXS J174320.1−042953 and YY Sex. 1RXS J174320.1−042953 was observed in two distinctive high and low states ...
  • Multiwavelength study of radio galaxy Pictor A: detection of western hotspot in far-UV and possible origin of high energy emissions 
    Gulati, Sanna; Bhattacharya, Debbijoy; Ramadevi, M. C; Stalin, C. S; Sreekumar, P (Oxford University Press on behalf of Royal Astronomical Society, 2023-05)
    A comprehensive study of the nucleus and western hotspot of Pictor A is carried out using AstroSat observations, 13 yr of Fermi, and archival Swift observations along with other published data. We report the first detection ...
  • Optical characterization and radial velocity monitoring with Belgian and Indian telescopes (ORBIT): the eclipsing binaries EPIC 211982753 and EPIC 211915147 
    Panchal, Alaxender; Joshi, Y. C; De Cat, Peter; Lampens, Patricia; Goswami, A; Tiwari, S. N (Oxford University Press on behalf of Royal Astronomical Society, 2023-05)
    The K2 eclipsing binary (EB) candidates EPIC 211982753 (hereinafter called EPIC2753) and EPIC 211915147 (hereinafter called EPIC5147) are characterized with the help of photometric and high-resolution spectroscopic data. ...
  • Spectroscopic Study of Ba and CEMP-s Stars: Mass Distribution of AGB Progenitors 
    Goswami, P. P; Goswami, A (American Astronomical Society, 2023-04-01)
    We have performed detailed high-resolution spectroscopic analysis on seven metal-poor stars (BD+75 348, BD +09 3019, HD238020, HE0319–0215, HE0507–1653, HE0930–0018, HE1023–1504) and derived their atmospheric parameters ...
  • Unravelling optical and X-ray properties of the disc-dominated intermediate polar IGR J15094-6649 
    Joshi, Arti; Rawat, Nikita; Schwope, Axel; Pandey, J. C; Scaringi, Simone; Sahu, D. K; Rao, Srinivas M; Singh, Mridweeka (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    We present analyses of an Intermediate Polar, IGR J15094-6649, based on the archival optical data obtained from the Transiting Exoplanet Survey Satellite (TESS) and X-ray data obtained from the Suzaku, NuSTAR, and Neil ...
  • Variation of Small Scale Magnetic Fields Over a Century using Ca-K Images as Proxy 
    Singh, J; Priyal, M; Ravindra, B; Bertello, Luca; Pevtsov, Alexei (2023-04)
    A combined uniform and long-time series of Ca-K images from the Kodaikanal Observatory, Mount Wilson Observatory and Mauna Loa Solar Observatory was used to identify and study the Ca-K small-scale features and their solar ...
  • SOFIA Observations of 30 Doradus. II. Magnetic Fields and Large-scale Gas Kinematics 
    Tram, Le Ngoc; Bonne, Lars; Hu, Yue; Lopez-Rodriguez, Enrique; Guerra, Jordan A; Lesaffre, Pierre; Gusdorf, Antoine; Hoang, Thiem; Lee, Min-Young; Lazarian, Alex; Andersson, B-G; Coude, Simon; Archana Soam; Vacca, William D; Lee, Hyeseung; Gordon, Michael (American Astronomical Society, 2023-03-20)
    The heart of the Large Magellanic Cloud, 30 Doradus, is a complex region with a clear core-halo structure. Feedback from the stellar cluster R136 has been shown to be the main source of energy creating multiple parsecscale ...
  • Do Hα Stokes V Profiles Probe the Chromospheric Magnetic Field? An Observational Perspective 
    Mathur, Harsh; Nagaraju, K; Joshi, Jayant; de la Cruz Rodriguez, Jaime (American Astronomical Society, 2023-03-20)
    We investigated the diagnostic potential of the Stokes V profile of the Hα line to probe the chromospheric line-ofsight (LOS) magnetic field (BLOS) by comparing the BLOS inferred from the weak field approximation (WFA) ...
  • Estimating the Oblateness of Dark Matter Halos Using Neutral Hydrogen Velocity Dispersion 
    Mousumi Das; Ianjamasimanana, Roger; McGaugh, Stacy S; Schombert, James; Dwarakanath, K. S (American Astronomical Society, 2023-03-20)
    We derive the oblateness parameter q of the dark matter halo of a sample of gas-rich, face-on disk galaxies. We have assumed that the halos are triaxial in shape but their axes in the disk plane (a and b) are equal, so ...
  • Future high-resolution and high-cadence observations for unraveling small-scale explosive solar features 
    Sterling, Alphonse C; Moore, Ronald L; Panesar, Navdeep K; Samanta, T; Tiwari, Sanjiv K; Savage, Sabrina L (Frontiers, 2023-03)
    Solar coronal jets are frequently occurring collimated ejections of solar plasma, originating from magnetically mixed polarity locations on the Sun of size scale comparable to that of a supergranule. Many, if not most, ...
  • An Estimation of the Geometrical Structure of Polar Cap and Emission Property of Radio Pulsar: A Treatment from an Analytical Approach 
    Roy, Tridib (IOP Publishing, 2023-04)
    Pulsars are believed to be one of the most interesting objects in the universe. The emission mechanism of pulsars is still a conundrum to physicists, as there is no completely acceptable theory that can establish a consensus ...
  • Globular Cluster UVIT Legacy Survey (GlobULeS) – II. Evolutionary status of hot stars in M3 and M13 
    Kumar, Ranjan; Pradhan, Ananta C; Sahu, Snehalata; Subramaniam, A; Piridi, Sonika; Cassisi, Santi; Ojha, Devendra K (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    We present a far-ultraviolet (FUV) study of hot stellar populations in the second parameter pair globular clusters (GCs) M3 and M13, as a part of the GC UVIT Legacy Survey programme (GlobULeS). We use observations made ...
  • UVIT view of NGC 5291: Ongoing star formation in tidal dwarf galaxies at ∼ 0.35 kpc resolution 
    Rakhi, R; Santhosh, Geethika; Joseph, Prajwel; George, Koshy; Subramanian, S; Kavila, Indulekha; Postma, J; Duc, Pierre-Alain; Cote, Patrick; Cortese, Luca; Ghosh, S. K; Subramaniam, A; Tandon, Shyam; Hutchings, John; Wesley, P. Samuel; Bharadwaj, Aditya; Niroula, Neeran (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    NGC 5291, an early-type galaxy surrounded by a giant H I ring, is believed to be formed from collision with another galaxy. Several star forming complexes and tidal dwarf galaxies are distributed along the collisional ...
  • A Comprehensive Model of Morphologically Realistic Cosmic Dust Particles: An Application to Mimic the Unusual Polarization Properties of the Interstellar Comet 2I/Borisov 
    Halder, Prithish; Sengupta, S (American Astronomical Society, 2023-04-10)
    The cosmic dust particles found in space are mainly porous aggregates of smaller grains. Theoretically, these aggregates are replicated using fractal geometry, assuming a cluster of spheres. Although the light ...
  • UVIT Observations of the Small Magellanic Cloud: Point-source Catalog 
    Devaraj, A; Joseph, P; Stalin, C. S; Tandon, S. N; Ghosh, S. K (American Astronomical Society, 2023-04-01)
    Three fields in the outskirts of the Small Magellanic Cloud were observed by the UltraViolet Imaging Telescope (UVIT) on board AstroSat, between 2017 December 31 and 2018 January 1. The observations were carried out on a ...
  • Origin of Quasi-periodic Pulsation at the Base of a Kink-unstable Jet 
    Mishra, S. K; Sangal, Kartika; Kayshap, Pradeep; Jelinek, Petr; Srivastava, A. K; Rajaguru, S. P (American Astronomical Society, 2023-03-10)
    We studied a blowout jet that occurred at the west limb of the Sun on 2014 August 29 using high-resolution imaging/spectroscopic observations provided by the Solar Dynamics Observatory/Atmospheric Imaging Assembly and ...
  • Observation of Alfven Waves in an ICME-HSS Interaction Region 
    Dhamane, Omkar; Raghav, Anil; Shaikh, Zubair; Panchal, Utsav; Ghag, Kalpesh; Tari, Prathmesh; Choraghe, Komal; Bhaskar, Ankush; Telloni, Daniele; Mishra, Wageesh (Springer, 2023-03)
    The Alfvén wave (AW) is the most common fluctuation present within the solar wind emitted from the Sun. Whether or not AWs can originate after the collision of an Interplanetary Coronal Mass Ejection (ICME) and a High-Speed ...
  • Full non-LTE spectral line formation II. Two-distribution radiation transfer with coherent scattering in the atom’s frame 
    Paletou, F; Sampoorna, M; Peymirat, C (EDP Sciences, 2023-03)
    In this article we discuss a method for obtaining a numerical solution to the so-called full nonlocal thermodynamic equilibrium (nonLTE) radiation transfer problem. More specifically, the usual numerical iterative methods ...
  • Classification of MODIS fire emission data based on aerosol absorption Angstrom exponent retrieved from AERONET data 
    Shantikumar, N. S; Khatri, Pradeep; Larson, E. J. L; Dumka, Umesh Chandra; Sarangi, Chandan; Vineeth, R (Elsevier B.V., 2023-02-01)
    Biomass burning emits a large quantity of gaseous pollutants and aerosols into the atmosphere, which perturbs the regional and global climate and has significant impacts on air quality and human health. In order to understand ...

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