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Browsing IIAP Publications by Title

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  • Influence of rotation on pulsar emission 
    Thomas, R. M. C; Gangadhara, R. T (Anita Publications, 2004-12)
    We analyze the motion of charged particles in rotating pulsar magnetosphere using the equation of motion, which was proposed earlier. We consider the projected magnetic field lines onto a 2D plane perpendicular to the ...
  • Influence of Rotation on Pulsar Radiation Characteristics 
    Ahmadi, P; Gangadhara, R. T (The American Astronomical Society, 2002-02)
    We present a relativistic model for pulsar radio emission by including the effect of rotation on coherent curvature radiation by bunches. We find that rotation broadens the width of the leading component compared to the ...
  • Influence of solar activity on the rainfall over India ILWS Workshop 2006 
    Hiremath, K. M (Quest Publications for ILWS, 2006)
    We use 130 years of Indian rainfall for studying correlative effects due to solar cycle and activity phenomena, viz., the occurrences of sunspot activity and the irradiance variations. Among all the seasons of the Indian ...
  • The Influence of Solar Activity on the Rainfall over India: Cycle-to-Cycle Variations 
    Hiremath, K. M (Indian Academy of Sciences, 2006-09)
    We use 130 years data for studying correlative effects due to solar cycle and activity phenomena on the occurrence of rainfall over India. For the period of different solar cycles, we compute the correlation coefficients ...
  • Influence of solar wind variability of the recurrence of droughts 
    Venkatakrishnan, P (D. Reidel Publishing Co, 1982-11)
    The observed effects of solar flares and interplanetary sector crossings seem to indicate that particle precipitation in the earth's upper atmosphere decreases cyclonic activity in the troposphere. As an extrapolation to ...
  • Influence of the polar cap current on pulsar polarization 
    Dinesh Kumar; Gangadhara, R. T (IOP Publishing, 2012-07-20)
    We have developed a model for the polarization of curvature radiation by taking into account the polar-cap-currentinduced perturbation on the dipolar magnetic field. We present the effects of the polar cap current on the ...
  • Influence of the satellite Io on Jupiter`s Decametric radio emission 
    Gopala Rao, U. V (Indian National Science Academy, 1967)
    An analysis of the influence of the satellite Io on Jupiter`s decametric radio emission was carried out utilizing observations recorded at Kodaikanal and Boulder. The influence is found to be complicated and is different ...
  • Influence of the solar activity on the Indian Monsoon rainfall 
    Hiremath, K. M; Mandi, P. I (Elsevier, 2004-10)
    We use 130 years data for studying correlative effects due to solar cycle and activity phenomena on the occurrence of the Indian Monsoon rainfall. We compute the correlation coefficients and significance of correlation ...
  • Influence of Thomson Electron Scattering Redistribution on Spectral Line Polarization Formed in Spherically Symmetric Extended and Expanding Atmospheres 
    Sampoorna, M; Megha, A; Supriya, H. D (American Astronomical Society, 2022-09-20)
    Scattering of line photons by ambient electrons in thermal motion in the stellar atmosphere modifies the wings of both intensity and linear polarization profiles of the spectral lines. The aim of the present paper is to ...
  • Influence of variable permeability on combined free and forced convection about inclined surfaces in porous media 
    Chandrasekhara, B. C; Namboodiri, P. M. S (Elsevier, 1985-01)
    The analysis is carried out for mixed convection about inclined surfaces in a saturated porous media incorporating the variation of permeability and thermal conductivity due to packing of particles. Similarity solutions ...
  • Information flow due to controlled interference in entangled systems 
    Srikanth, R (Indian Academy of Sciences, 2002-08)
    We point out that controlled quantum interference corresponds to measurement in an incomplete basis and implies a nonlocal transfer of classical information. A test of whether such a generalized measurement is permissible ...
  • The infrared imaging spectrograph (IRIS) for TMT: latest science cases and simulations 
    Wright, S. A; Walth, G; Do, T; Marshal, D; Larkin, J. E; Moore, A. M; Adamkovics, M; Andersen, D; Armus, L; Barth, A; Cote, Patrick; Cooke, J; Chisholm, E. M; Davidge, T; Dunn, J. S; Dumas, C; Ellerbroek, B. L; Ghez, A. M; Hao, J; Hayano, Y; Liu, M; Lopez-Rodriguez, E; Lu, J. R; Mao, S; Marois, C; Pandey, S. B; Phillip, A. C; Schoeck, M; Subramaniam, A; Subramanian, S; Suzuki, R; Tan, J. C; Terai, T; Treu, T; Simard, L; Weiss, J. (SPIE-The International Society for Optical Engineering, 2016-07)
    The Thirty Meter Telescope (TMT) first light instrument IRIS (Infrared Imaging Spectrograph) will complete its preliminary design phase in 2016. The IRIS instrument design includes a near-infrared (0.85 - 2.4 micron) ...
  • Infrared observations of UV CAS 
    Kameswara Rao, N (The Observatory, 1980-10)
  • Infrared Photometer system for Astronomical Observations 
    Shivanandan, K; Scaria, K. K; Nair, R. M; Rajamohan, R; Sivaraman, K. R (Indian Institute of Astrophysics, Bangalore, 1987)
    An infrared photometer system has been developed for photometry of astronomical sources in the spectral band 1 to 5 microns. The characteristics of the system and preliminary engineering tests using the 1- m optical ...
  • Infrared polarisation study of Lynds 1340: A case of RNO 8 
    Rai, Archita; Ganesh, Shashikiran (Indian Academy of Sciences, 2023-06)
    This paper describes the polarisation study of a Lynds cloud, LDN 1340, α = 2h32m and δ = 73◦00 corresponding to galactic coordinates of = 130◦.07 and b = 11◦.6, with emphasis on the RNO 8 area. The cloud has been ...
  • Infrared properties of planetary nebulae with [WR] and wels central stars 
    Muthumariappan, C; Parthasarathy, M (Oxford University Press on behalf of the Royal Astronomical Society, 2020-03)
    We report the infrared (IR) properties of planetary nebulae (PNe) with Wolf–Rayet (WR) type and wels central stars known to date and compare them with the IR properties of a sample of PNe with H-rich central stars. We use ...
  • Infrared Solar Radiation Measurement during Total Solar Eclipse 
    Jain, S. L; Arya, B. C; Singh, S. K; Tripathi, O. P; Hamid, A (Indian Institute of Astrophysics, Bangalore, 1997)
    The occurrence of Total Solar Eclipse on October 24, 1995 provided an unique opportunity to conduct some experiments using IR sun photometers in the spectral range 0.75 micrometer to 1.6 micrometer and 205 to 14.5 micrometer ...
  • Infrared Space Observatory Spectra of R Coronae Borealis Stars. I. Emission Features in the Interval 3-25 Microns 
    Lambert, D. L; Kameswara Rao, N; Pandey, G; Ivans, I. I (American Astronomical Society, 2001-07)
    Infrared Space Observatory 3-25 μm spectra of the R Coronae Borealis stars V854 Cen, R CrB, and RY Sgr are presented and discussed. Sharp emission features coincident in wavelength with the well-known unidentified emission ...
  • Inhibition of convective collapse of solar magnetic flux tubes by radiative diffusion 
    Venkatakrishnan, P (Nature Publishing Group, 1986-07)
    Proctor and Weiss (1982) have indicated that the interaction of convection with a magnetic field leads to an intermittent distribution of magnetic flux. Such a process can lead to 'equipartition fields' of 700 G which ...
  • Initial masses 
    Mallik, D. C. V (International Astronomical Union, 1989)

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