IIAP Publications: Recent submissions

  • Coherent Curvature Radio Emission and Polarization from Pulsars 
    Gangadhara, R. T; Han, J. L; Wang, P. F (IOP Publishing, 2021-04-20)
    We have developed a collective plasma radio emission model for the radio pulsars based on the implications of the tangent model. The secondary pair (electron–positron) plasma particles get arranged into a phased array like ...
  • Effects of thermal emission on Chandrasekhar's semi-infinite diffuse reflection problem 
    Sengupta, Soumya (IOP Publishing, 2021-04-20)
    The analytical results of Chandrasekhar's semi-infinite diffuse reflection problem is crucial in the context of the stellar or planetary atmosphere. However, the atmospheric emission effect was not taken into account in ...
  • Relation between Quiescence and Outbursting Properties of GX 339-4 
    Bhowmic, Riya; Debnath, Dipak; Chatterjee, Kaushik; Nagarkoti, Shreeram; Chakrabarti, S. K; Sarkar, Ritabrata; Chatterjee, Debjit; Jana, Arghajit (IOP Publishing, 2021-04-01)
    Galactic black hole candidate GX 339-4 underwent several outbursting phases in the past two and a half decades at irregular intervals of 2–3 years. The nature of these outbursts in terms of the duration, number of peaks, ...
  • Gas infalling motions in the envelopes of very low luminosity objects 
    Kim, Mi-Ryang; Lee, Chang Won; Maheswar, G; Myers, Philip C; Kim, Gwanjeong (IOP Publishing, 2021-04-01)
    We present the results of a single-dish survey toward 95 very low luminosity objects (VeLLOs) in optically thick (HCN 1−0) and thin (N2H+ 1−0) lines performed for the purpose of understanding the physical processes ...
  • A Fock space coupled cluster based probing of the single- and double-ionization profiles for the poly-cyclic aromatic hydrocarbons and conjugated polyenes 
    Chaudhuri, R. K; Chattopadhyay, Sudip (American institute of Physics, 2021-03-21)
    Sequential formation of a poly-cyclic aromatic hydrocarbon (PAH) dication in the H I regions of the interstellar medium (ISM) is proposed to be a function of internal energy of the doubly ionized PAHs, which, in turn, is ...
  • Spectroscopic Investigation of Nebular Gas (SING): general objectives and preliminary optical layout 
    Sachkov, M. E; Chandra, B; Murthy, J; Shmagin, V. E; Prabha, Sh; Prakash, A; Nair, B. G; Safonova, M. V; Rai, R; Mohan, R (Institute of Astronomy of the Russian Academy of Sciences, 2020-12)
    The ultraviolet spectral subdiapasons, both near UV (180─300 nm) and far UV (115─180 nm), are highly requested by astrophysicists. The successful space missions like IUE, HST, GALEX and others provided scientists with ...
  • The pencil code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained 
    The Pencil Code Collaboration; Brandenburg, Axel; Johansen, Anders; Bourdin, Philippe A; Dobler, Wolfgang; Lyra, Wladimi; Rheinhardt, Matthias; Bingert, Sven; Haugen, Nils Erland L; Mee, Antony; Gent, Frederick; Babkovskaia, Natalia; Yang, Chao-Chin; Heinemann, Tobias; Dintrans, Boris; Mitra, Dhrubaditya; Candelares, Simon; Warnecke, Jörn; Käpylä, Petri J; Li, Xiang-Yu; Krüger, Jonas; Aarnes, Jørgen R; Sarson, Graeme R; Oishi, Jeffrey S; Schober, Jennifer; Schreiber, Andreas; Chatterjee, Piyali; Käpylä, Maarit J; Plasson, Raphaël; Sandin, Christer; Karchniwy, Ewa; Rodrigues, Luiz Felippe S; Hubbard, Alexander; Guerrero, Gustavo; Snodin, Andrew; Losada, Illa R; Pekkilä, Johannes; Qian, Chengeng (2021-02-21)
    The Pencil Code is a highly modular physics-oriented simulation code that can be adapted to a wide range of applications. It is primarily designed to solve partial differential equations (PDEs) of compressible hydrodynamics ...
  • Stellar and interstellar parameters from large photometric surveys 
    Malkov, O; Karpov, S; Kovaleva, D; Murthy, J; Sichevsky, S; Sytov, A; Zhao, G; Zhukov, A; Zakharo, A (NAS RA Byurakan Astrophysical Observatory, 2020-12)
    The parameterization of stars is a well known problem and used for various purposes in astronomy. We have shown that multicolor photometric data from large modern surveys can be used for parameterization of stars. With ...
  • Time-distance helioseismology of deep meridional circulation 
    Rajaguru, S. P; Antia, H. M (Springer, 2020)
    A key component of solar interior dynamics is the meridional circulation (MC), whose poleward component in the surface layers has been well observed. Time-distance helioseismic studies of the deep structure of MC, however, ...
  • SunPy: A Python package for Solar Physics 
    Mumford, S. J; Freij, Nabil; Christe, Steven; Ireland, Jack; Mayer, Florian; Hughitt, V. K; Shih, Albert Y; Ryan, Daniel F; Liedtke, Simon; Perez-Suarez, David; Chakraborty, Pritish; Arbolante, Quinn; Gomillion, Reid; Kothar, Yash; Sharma, Yash; Stevens, Abigail L; Price-Whelan, Adrian; Mehrotra, Ambar; Kustov, Arseniy; Stone, Brandon; Dang, Trung Kien; Arias, Emmanuel; Kustov; Stone, Brandon; Dang, Trung Kien; Arias, Emmanuel; Dover, Fionnlagh Mackenzie; Verstringe, Freek; Gulshan Kumar; Mathur, Harsh; and 21 co-authors; Vishnunarayan, K I; Inglis, Andrew; Pattnaik, Punyaslok; Sipocz, Brigitta; Rishabh Sharma; Leonard, Andrew; Stansby, David; Hewett, Russell; Hamilton, Alex; Hayes, Laura; Panda, Asish; Earnshaw, Matt; Choudhary, Nitin; Kumar, Ankit; Chanda, Prateek; Haque, Md Akramul; Kirk, Michael S; Mueller, Michael; Konge, Sudarshan; Srivastava, Rajul; Jain, Yash; Bennett, Samuel; Baruah, Ankit; Barnes, Will; Charlton, Michael; Maloney, Shane; Chorley, Nicky; Himanshu; Modi, Sanskar; Mason, James Paul; Naman9639; Rozo, Jose Ivan Campos; Manley, Larry; Chatterjee, Agneet; Evans, John; Malocha, Michael; Bobra, Monica G; Ghosh, Sourav; Airmansmith97; Stanczak, Dominik; De Visscher, Ruben; Verma, Shresth; Agrawal, Ankit; Buddhika, Dumindu; Sharma, Swapnil; Park, Jongyeob; Bates, Matt; Goel, Dhruv; Taylor, Garrison; Cetusic, Goran; Jacob; Inchaurrandieta, Mateo; Dacie, Sally; Dubey, Sanjeev; Sharma, Deepankar; Bray, Erik M; Rideout, Jai Ram; Zahniy, Serge; Meszaros, Tomas; Bose, Abhigyan; Chicrala, Andre; Ankit; Guennou, Chloe; D’Avella, Daniel; Williams, Daniel; Ballew, Jordan; Murphy, Nick; Lodha, Priyank; Robitaille, Thomas; Krishan, Yash; Hill, Andrew; Eigenbrot, Arthur; Mampaey, Benjamin; Wiedemann, Bernhard M; Molina, Carlos; Keşkek, Duygu; Habib, Ishtyaq; Letts, Joseph; Bazan, Juanjo (Check ?, 2020-02-14)
    The Sun, our nearest star, is a local laboratory for studying universal physical processes. Solar physics as a discipline includes studying the Sun both as a star and as the primary driver of space weather throughout the ...
  • SunPy 
    Mumford, Stuart J; Freij, Nabil; Christe, Steven; Ireland, Jack; Mayer, Florian; Shih, Albert Y; Stansby, David; Hughitt, V. Keith; Ryan, Daniel F; Liedtke, Simon; Perez-Suarez, David; Kirk, Michael S; Mueller, Michael; Konge, Sudarshan; Srivastava, Rajul; Jain, Yash; Bennett, Samuel; Baruah, Ankit; Arbolante, Quinn; Charlton, Michael; Mishra, Sashank; Verma, Shresth; Maloney, Shane; Chorley, Nicky; Himanshu; Chouhan, Aryan; Mason, James Paul; Modi, Sanskar; Sharma, Yash; Zivadinovic, Lazar; Naman9639; Rozo, Jose Ivan Campos; Lemos, Sophie; Manley, Larry; Bobra, Monica G; Chatterjee, Agneet; Ivashkiv, Kateryna; von Forstner, J. F; Bazan, Juanjo; Stern, Kris Akira; Evans, John; Jain, Sarthak; Malocha, Michael; Agrawal, Ankit; Ghosh, Sourav; Airmansmith97; Stanczak, Dominik; Singh, Rajiv Ranjan; De Visscher, Ruben; Alam, Arib; Buddhika, Dumindu; Pathak, Himanshu; Rideout, Jai Ram; Sharma, Swapnil; Park, Jongyeob; Bates, Matt; Williams, Daniel; Mishra, Pankaj; Sharma, Deepankar; Goel, Dhruv; Taylor, Garrison; Cetusic, Goran; Reite, Guntbert; Jacob; Inchaurrandieta, Mateo; Dacie, Sally; Dubey, Sanjeev; Verma, Dipanshu; Eigenbrot, Arthur; Bray, Erik M; Aaron Paul, Jeffrey; Surve, Rutuja; Zahniy, Serge; Meszaros, Tomas; Parkhi, Utkarsh; Bose, Abhigyan; Pande, Abhishek; Price-Whelan, Adrian; Ballew, Jordan; Amogh, J; Chicrala, Andre; Ankit; Guennou, Chloe; D'Avella, Daniel; Murphy, Nick; Lodha, Priyank; Robitaille, Thomas; Augspurger, Tom; Krishan, Yash; honey; Neerajkulk; Vishnunarayan, K. I; Hill, Andrew; Mampaey, Benjamin; Wiedemann, Bernhard M; Molina, Carlos; Keşkek, Duygu; Habib, Ishtyaq; Letts, Joseph; Streicher, Ole; Gomillion, Reid; Kothari, Yash; Hayes, Laura; Mridulpandey; Stevens, Abigail L; Abijith, B; Bahuleyan, Abijith; Mehrotra, Ambar; Smith, Arfon; Kustov, Arseniy; Stone, Brandon; MacBride, Conor; Arias, Emmanuel; Chakraborty, Pritish; Tollerud, Erik; Dover, Fionnlagh Mackenzie; Verstringe, Freek; Kumar, Gulshan; Mathur, Harsh; Inglis, Andrew; Pattnaik, Punyaslok; Sipocz, Brigitta; Sharma, Rishabh; Leonard, Andrew; Hewett, Russell; Hamilton, Alex; Manhas, Abhijeet; Panda, Asish; Earnshaw, Matt; Barnes, Will; Choudhary, Nitin; Kumar, Ankit; Singh, Raahul; Chanda, Prateek; Akramul Haque, Md (Check ?, 2021-02-22)
  • Oxygen abundances of carbon-enhanced stellar population in the halo 
    Susmitha, A; Sivarani, T; Ojha, D. K; Ninan, Joe P; Bandyopadhyay, A; Surya, A; Athira, U (Springer, 2020-12)
    The large fraction of carbon-enhanced metal-poor (CEMP) stars at lower metallicities makes them an interesting class of objects to be probed further in greater detail. They show different abundance patterns of neutron-capture ...
  • Geometry of nova ejecta 
    Pavana, M; Anupama, G. C; Ramya, M. Anche; Kamath, U. S; Selva Kumar, G (Cambridge University Press, 2020)
    We present photo-ionization and morpho-kinematic analyses of the ejecta of novae. The sample consists of ten novae belonging to the Fe II, He/N and hybrid classes. The Fe II class of novae in the sample have bipolar cone-like ...
  • Diagnosing chromospheric magnetic field through simultaneous spectropolarimetry in Hα and Ca II 854.2 nm 
    Nagaraju, K; Sankarasubramanian, K; Rangarajan, K. E (Cambridge University Press, 2020)
    Measurement of magnetic field in this layer is challenging both from point of view of observations and interpretation of the data. We present in this work about spectropolarimetric observations of a pore, simultaneously ...
  • Multi-wavelength analysis of CME-driven shock and Type II solar radio burst band-splitting 
    Lata Soni, Shirsh; Ebenezer, E; lal Yadav, Manohar (Springer, 2021-03)
    It is now well established that Coronal Mass Ejections (CMEs) may produce shocks in near Sun and interplanetary medium. A Type-II radio burst is characterized by shock and associated emission with very slow frequency drift ...
  • Orbital solutions derived from radial velocities and time delays for four Kepler systems with A/F-type (candidate) hybrid pulsators⋆ 
    Lampens, P; Vermeylen, L; Fremat, Y; Sodor, A; Skarka, M; Samadi-Ghadim, A; Bognar, Zs; Lehmann, H; De Cat, P; Goswami, A; Dumortier, L (EDP Sciences, 2021-03)
    Context. The presence of A/F-type Kepler hybrid stars extending across the entirety of the δ Scuti – γ Doradus instability strips and beyond remains largely unexplained. In order to better understand these particular stars, ...
  • Variation of chromospheric features as a function of latitude and time using Ca-K spectroheliograms for solar cycles 15 - 23: Implications for meridional flow 
    Devi, Pooja; Singh, J; Chandra, Ramesh; Priyal, Muthu; Joshi, Reetika (Springer, 2021-03)
    We have analyzed the Ca-K images obtained at Kodaikanal Observatory as a function of latitude and time for the period of 1913 - 2004 covering Solar Cycles 15 to 23. We have classified the chromospheric activity into plage, ...
  • Interacting system NGC 7805/6 (Arp 112) and its tidal dwarf galaxy candidate 
    Fu, Zhen-Xing; Sengupta, Chandreyee; Ramya, S; Pradhan, Bikram; Singh, Mridweeka; Misra, K; Scott, Tom. C; Ma, Yin-Zhe (IOP Publishing, 2021-02)
    We present results from our Giant Metrewave Radio Telescope (GMRT) Hi, Himalayan Chandra Telescope (HCT) Hα, 1 m Sampurnanand Telescope (ST) and 1.3 m Devasthal Fast Optical Telescope (DFOT) deep optical observations of ...
  • Comet tales from India: Donati's Comet of 1858 (C/1858 L1 Donati) 
    Kapoor, R. C (National Astronomical Research Institute of Thailand, 2021-03)
    On 02 June 1858 at the Observatory of Florence, Giambattista Donati (1826–1873) discovered a faint nebulous patch what was destined to become one of the most brilliant comets in history. Named after him, Donati’s Comet ...
  • High-redshift narrow-line Seyfert 1 galaxies: a candidate sample 
    Rakshit, S; Stalin, C. S; Kotilainen, Jari; Shin, Jaejin (IOP Publishing, 2021-03)
    The study of narrow-line Seyfert 1 galaxies (NLS1s) is now mostly limited to low redshift (z < 0.8) because their definition requires the presence of the Hβ emission line, which is redshifted out of the spectral coverage ...

Search DSpace


Browse

My Account