IIAP Publications: Recent submissions

  • The Solar Ultraviolet Imaging Telescope: detector characterization and readout electronics testing 
    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 ...
  • Evolution of the thermodynamic properties of a coronal mass ejection in the inner Corona 
    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 ...
  • Metric-affine effects in crystallization processes of white dwarfs 
    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 ...
  • Dust scattered radiation in the galactic poles 
    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 ...
  • HI line analysis of Herbig Ae/Be stars using X-Shooter spectra 
    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, ...
  • Quiescence of an outburst of a low-mass young stellar object: LDN1415-IRS 
    Singh, Koshvendra; Ojha, Devendra K.; Ninan, Joe P.; Sharma, Saurabh; Ghosh, Supriyo; Ghosh, Arpan; Bhatt, B. C; Sahu, D. K (Indian Academy of Sciences, 2023-12)
    LDN1415-IRS, a low-mass young stellar object (YSO), went into an outburst between 2001 and 2006, illuminating a surrounding nebula, LDN1415-Neb. LDN1415-Neb was found to have brightened by I=3.77 mag by April 2006. The ...
  • Solar mean magnetic field of the chromosphere 
    Vishnu, M; Nagaraju, K; Mathur, Harsh (Indian Academy of Sciences, 2023-12)
    The Solar Mean Magnetic Field (SMMF) is the mean value of the line-of-sight (LOS) component of the solar vector magnetic field averaged over the visible hemisphere of the Sun. So far, the studies on SMMF have mostly been ...
  • Indian spectroscopic and imaging space telescope (INSIST): An optics design trade-off study 
    Sriram, S; Valsan, Vineeth; Subramaniam, A; Vishnu, Unni. C; Maheswar, G; Chand, Totan (Indian Academy of Sciences, 2023-12)
    Large ground and space-based surveys in optical and near-infrared (NIR) wavelengths will revolutionize astronomy in the coming decade. Unfortunately, no ultraviolet (UV) facilities are planned to complement these surveys, ...
  • Geometrical structure and stability of buckminsterfullerene complexes containing mono- and poly-atomic molecules 
    Chaudhuri, R. K; Chattopadhyay, Sudip (Indian Academy of Sciences, 2023-09)
    Structure vis-à-vis the stability of mono- and poly-atomic buckminsterfullerene (C60 ) complexes are capable of providing intrigue information about these systems. To obtain an insight of these complexes, geometrical ...
  • The Aditya-L1 mission of ISRO 
    Tripathi, Durgesh; Chakrabarty, D; Nandi, A; Prasad, B. R; Ramaprakash, A. N; Shaji, Nigar; Sankarasubramanian, K; Satheesh Thampi, R; Yadav, V. K (Cambridge University Press on behalf of International Astronomical Union, 2023)
    The Aditya-L1 is the first space-based solar observatory of the Indian Space Research Organization (ISRO). The spacecraft will carry seven payloads providing uninterrupted observations of the Sun from the first Lagrangian ...
  • Long-term Evolution of Magnetic Field Proxies as Deduced from Archival Data 
    Banerjee, D; Bibhuti Kumar Jha; Mandal, Sudip; Chatterjee, Subhamoy; Hegde, M; KoSO Digitization Team (Cambridge University Press on behalf of International Astronomical Union, 2023)
    Regular observations of the solar magnetic field are available only for about the last five cycles. Thus, to understand the origin of the variation of the solar magnetic field, it is essential to reconstruct the magnetic ...
  • Study of the Impact of Coronal Rain on Kink Oscillations of Coronal Loops 
    Shrivastav, Arpit Kumar; Pant, V (Cambridge University Press on behalf of International Astronomical Union, 2023)
    Coronal rain occurs in thermally unstable coronal loops, and comprises cool plasma condensations, falling towards the solar surface, guided by the magnetic field. Sometimes the coronal rain clumps are seen to be subjected ...
  • A UVIT Look at Star Formation in Nearby Interacting/Merging Galaxies 
    Mousumi Das (Cambridge University Press on behalf of International Astronomical Union, 2023)
    The interactions and mergers of gas rich galaxies are known to produce star formation which often leads to nuclear activity as well. The star formation is ideally mapped using FUV and NUV emission, since UV traces star ...
  • SN 2018gj: A Short Plateau Type II Supernova with Persistent Blueshifted Ha Emission 
    Teja, Rishabh Singh; Singh, Avinash; Sahu, D. K; Anupama, G. C; Kumar, Brajesh; Nakaoka, Tatsuya; Kawabata, Koji S; Yamanaka, Masayuki; Takey, Ali; Kawabata, Miho (American Astronomical Society, 2023-09-10)
    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. ...
  • Field blue straggler stars: discovery of white dwarf companions to blue metal-poor stars using UVIT/AstroSat 
    Panthi, Anju; Subramaniam, A; Vaidya, Kaushar; Jadhav, Vikrant V; Sharmila Rani; Sivarani, T; Pandey, Sindhu (Oxford University Press on behalf of Royal Astronomical Society, 2023-10)
    Blue metal-poor (BMP) stars are the main-sequence stars that appear bluer and more luminous than normal turn-off stars of metal-poor globular clusters. They are believed to be either field blue straggler stars (FBSS) formed ...
  • Decoding the compositions of four bright r-process-enhanced stars 
    Saraf, Pallavi; Prieto, Carlos Allende; Sivarani, T; Bandyopadhyay, A; Beers, Timothy C.; Susmitha, A (Oxford University Press on behalf of Royal Astronomical Society, 2023-10)
    There has been a concerted effort in recent years to identify the astrophysical sites of the r-process that can operate early in the galaxy. The discovery of many r-process-enhanced (RPE) stars (especially by the R-process ...
  • Spectroscopic study of Herbig Ae/Be stars in the Galactic anti-centre region from LAMOST DR5 
    Nidhi, S; Mathew, Blesson; Shridharan, B; Arun, R; Anusha, R; Kartha, Sreeja S (Oxford University Press on behalf of Royal Astronomical Society, 2023-10)
    We study a sample of 119 Herbig Ae/Be stars in the Galactic anti-centre direction using the spectroscopic data from large sky area multi-object fiber spectroscopic telescope survey program. Emission lines of hydrogen ...
  • Far-ultraviolet to Near-infrared Observations of SN 2023ixf: A High-energy Explosion Engulfed in Complex Circumstellar Material 
    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; Nayana, A. J; Imazawa, Ryo; Kumar, Brajesh; Kawabata, Koji S (American Astronomical Society, 2023-09-01)
    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. We ...
  • Precise Transit Photometry Using TESS: Updated Physical Properties for 28 Exoplanets around Bright Stars 
    Saha, Suman (American Astronomical Society, 2023-09)
    The Transiting Exoplanet Survey Satellite (TESS) follow-up of a large number of known transiting exoplanets provides a unique opportunity to study their physical properties more precisely. Being a space-based telescope, ...
  • Post-outburst Evolution of Bona Fide FU Ori-type V2493 Cygnus: A Spectro-photometric Monitoring 
    Ghosh, Arpan; Sharma, Saurabh; Ninan, Joe P; Ojha, Devendra K; Bhatt, B. C; Sahu, D. K; Baug, Tapas; Yadav, R. K; Irawati, Puji; Gour, A. S; Panwar, Neelam; Pandey, Rakesh; Sinha, Tirthendu; Verma, Aayushi (American Astronomical Society, 2023-09-01)
    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 2021 ...

Search DSpace


Browse

My Account