IIAP Publications: Recent submissions

  • A new three-band, two beam astronomical photo-polarimeter 
    Srinivasulu, G; Raveendran, A. V; Muneer, S; Mekkaden, M. V; Jayavel, N; Somashekar, M. R; Sagayanathan, K; Ramamoorthy, S; Rosario, M.; Jayakumar, K (Astronomical Society of India, 2014-09)
    We designed and built a new astronomical photo-polarimeter that can measure linear polarization simultaneously in three spectral bands. It has a Calcite beamdisplacement prism as the analyzer. The ordinary and extra-ordinary ...
  • JUDE: an ultraviolet imaging telescope pipelineâ 
    Murthy, J; Rahna, P. T; Sutaria, F. K; Safonova, M; Gudennavar, S. B; Bubbly, S. G (Elsevier B.V, 2017-07)
    The Ultraviolet Imaging Telescope (UVIT) was launched as part of the multi-wavelength Indian AstroSat mission on 28 September, 2015 into a low Earth orbit. A 6-month performance verification (PV) phase ended in March ...
  • Kiso supernova survey (KISS): survey strategy 
    Morokuma, T; Tominaga, N; Tanaka, M; Mori, K; Matsumoto, E; Kikuchi, Y; Shibata, T; Sako, S; Aoki, T; Doi, M; Kobayashi, N; Maehara, H; Matsunaga, N; Mito, H; Miyata, T; Nakada, Y; Soyano, T; Tarusawa, K; Miyazaki, S; Nakata, F; Okada, N; Sarugaku, Y; Richmond, M. W; Akitaya, H; Aldering, G; Arimatsu, K; Contreras, C; Horiuchi, T; Hsiao, E. Y; Itoh, R; Iwata, I; Kawabata, K. S; Kawai, N; Kitagawa, Y; Kokubo, M; Kuroda, D; Mazzali, P; Miswava, T; Moritani, Y; Morrell, N; Okamoto, R; Pavlyuk, N; Phillips, M. M; Pian, E; Sahu, D. K; Saito, Y; Sano, K; Stritzinger, M. D; Tachibana, Y; Taddia, F; Takaki, K; Tateuchi, K; Tomita, A; Tsvetkov, D; Ui, T; Ukita, N; Urata, Y; Walker, E; Yoshii, T (Published by Oxford University Press on behalf of the Astronomical Society of Japan, 2014-12)
    The Kiso Supernova Survey (KISS) is a high-cadence optical wide-field supernova (SN) survey. The primary goal of the survey is to catch the very early light of a SN, during the shock breakout phase. Detection of SN shock ...
  • Effects of dark matter in star formation 
    Arun, K; Gudennavar, S; Prasad, A; Sivaram, C (Springer, 2019-02)
    The standard model for the formation of structure assumes that there existed small fluctuations in the early universe that grew due to gravitational instability. The origins of these fluctuations are as yet unclear. In ...
  • Implications of Possible Alternate Scenarios for Short and Long Duration GRBs 
    Sivaram, C; Arun, K; Kiren, O. V (Bentham Open, 2014-12)
    Gamma-ray bursts (GRB) are the most luminous physical phenomena in the universe, consisting of flashes of gamma rays that last from seconds to hours. In this paper we look at possible alternate scenarios for both short and ...
  • Multi-frequency, multi-epoch study of MrK 501: hints for a two-component nature of the emission 
    Shukla, A; Chitnis, V. R; Singh, B. B; Acharya, B. S; Anupama, G. C; Bhattacharjee, P; Britto, R. J; Mannheim, K; Prabhu, T. P; Saha, L; Vishwanath, P. R (IOP Publishing, 2015-01-01)
    Since the detection of very high energy (VHE) γ -rays from Mrk 501, its broadband emission of radiation was mostly and quite effectively modeled using the one zone emission scenario. However, broadband spectral and flux ...
  • An Embedded active nucleus in the OH megamaser galaxy IRAS 16399-0937 
    Sales, Dinalva A; Robinson, A; Axon, D. J; Gallimore, J; Kharb, P; Curran, R. L; O'Dea, C.; Baum, S; Elitzur, M; Mittal, R (IOP Publishing Ltd, 2015-01-20)
    We present a multiwavelength study of the OH megamaser galaxy IRAS16399–0937, based on new Hubble Space Telescope (HST)/Advanced Camera for Surveys F814W and Hα+[N II] images and archive data from HST, Two Micron All Sky ...
  • The mystery of the cosmic diffuse ultraviolet background radiation 
    Henry, R. C; Murthy, J; Overduin, James; Tyler, Joshua (IOP Publishing Ltd, 2015-01-01)
    The diffuse cosmic background radiation in the Galaxy Evolution Explorer far-ultraviolet (FUV, 1300-1700 Å) is deduced to originate only partially in the dust-scattered radiation of FUV-emitting stars: the source of a ...
  • Evaluation of the effective temperature of sunspots using molecular parameters of AlF 
    Balachandra Kumar, K; Raja, V; Karthikeyan, B; Bagare, S. P; Rajamanickam, N (Hindawi Publishing Corporation, 2015-07-07)
    The physical conditions of celestial objects can be analyzed using the spectrum of atoms or molecules present in the object. The present work focuses on the spectroscopic analysis of astrophysically significant molecule ...
  • Correlations between the CME acceleration, other CME parameters and flare energy 
    Suryanarayana, G. S (Elsevier B.V., 2019-04)
    While the Coronal Mass Ejections (CMEs) without associated flares are known to accelerate and decelerate being moderated by the Lorentz force, gravity and the drag force due to solar wind, the flare association is known ...
  • Disk of the small magellanic cloud as traced by cepheids 
    Subramanian, S; Subramaniam, A (EDP Sciences, 2015-01)
    Context. The structure and evolution of the disk of the Small Magellanic Cloud (SMC) are traced by studying the Cepheids. Aims. We aim to estimate the orientation measurements of the disk, such as the inclination, i, and ...
  • H I kinematics of the Large Magellanic Cloud revisited: Evidence of possible infall and outflow 
    Indu, G; Subramaniam, A (EDP Sciences, 2015-01)
    Aims. The neutral atomic Hydrogen (H I) kinematics of the Large Magellanic Cloud (LMC) is revisited in light of two new proper motion estimates. Methods. We analysed the intensity weighted H I velocity maps of the Australia ...
  • Chemical analysis of CH stars – II. Atmospheric parameters and elemental abundances 
    Drisya, K; Goswami, A (Oxford University Press on behalf of the Royal Astronomical Society, 2015-01-21)
    We present detailed chemical analyses for a sample of 12 stars selected from the CH star catalogue of Bartkevicius. The sample includes two confirmed binaries, four objects that are known to show radial velocity variations ...
  • A search for diffuse bands in fullerene planetary nebulae: evidence of diffuse circumstellar bands 
    Diaz-Luis, J. J; Garcia-Hernandez, D. A; Kameswara Rao, N; Manchado, A; Cataldo, F (EDP Sciences, 2015-01)
    Large fullerenes and fullerene-based molecules have been proposed as carriers of diffuse interstellar bands (DIBs). The recent detection of the most common fullerenes (C60 and C70) around some planetary nebulae (PNe) now ...
  • New Evidence for a Coronal Mass Ejection-driven High Frequency Type II Burst near the Sun 
    Anshu Kumari; Ramesh, R; Kathiravan, C; Gopalswamy, N (IOP Publishing, 2017-07)
    We report observations of the high frequency type II radio burst (≈430–30 MHz) that occurred in the solar corona on 2015 November 4. The drift rate of the burst, estimated close to the start frequency of its fundamental ...
  • The VMC survey – XIII. type II cepheids in the large magellanic cloud 
    Ripepi, V; Moretti, M. I; Marconi, M; Clementini, G; Cioni, M. -R. L; de Grijs, R; Emerson, J. P; Groenewegen, M. A. T; Ivanov, V. D; Muraveva, T; Piatti, A. E; Subramanian, S (Oxford University Press on behalf of the Royal Astronomical Society, 2015-01-21)
    The VISTA (Visible and Infrared Survey Telescope for Astronomy) survey of the Magellanic Clouds System (VMC) is collecting deep Ks-band time-series photometry of the pulsating variable stars hosted in the system formed by ...
  • Kiloparsec-scale radio emission in Seyfert and LINER galaxies 
    Singh, V; Ishwara-Chandra, C. H; Wadadekar, Yogesh; Beelen, Alexandre; Kharb, P (Oxford University Press on behalf of the Royal Astronomical Society, 2015-01-01)
    Seyfert and LINER galaxies are known to exhibit compact radio emission on ∼10–100 pc scales, but larger Kiloparsec-Scale Radio structures (KSRs) often remain undetected in sub-arcsec high-resolution observations. We ...
  • Rare Finding of a 100 Kpc Large, Double-lobed Radio Galaxy Hosted in the Narrow-line Seyfert 1 Galaxy SDSS J103024.95+551622.7 
    Rakshit, S; Stalin, C. S; Hota, A; Konar, C (IOP Publishing, 2018-12)
    Among the many varieties of active galactic nuclei (AGNs) known, narrow-line Seyfert 1 (NLSy1) galaxies are a puzzling class, particularly after the discovery of γ-ray emission in a handful of them using observations from ...
  • On an apparent change of Wave-length in Solar Iron Lines 
    Evershed, J (Oxford University Press on behalf of the Royal Astronomical Society, 1948)
  • Note on spectroheliograms taken with different parts of the Hα line 
    Royds, T (Oxford University Press on behalf of the Royal Astronomical Society, 1925-03)

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