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  • Solar tides in the F2 region over Kodaikanal 
    Thiruvengadathan, A (Manager of Publications Civil Lines Delhi, 1955-08)
  • Solar Type IIIb Radio Bursts as Tracers for Electron Density Fluctuations in the Corona 
    Mugundhan, V; Hariharan, K; Ramesh, R (Springer, 2017-11)
    We present an estimation of the electron density modulation index ( δN Nee ) for the first time using solar type IIIb radio burst observations. The mean value of δN Nee is calculated to be ≈ 0.006 ± 0.002 over the ...
  • The Solar Ultra-Violet Imaging Telescope (SUIT) Onboard Intelligence for Flare Observations 
    Varma, Manoj; Padinhatteri, Sreejith; Sinha, Sakya; Tyagi, Anurag; Burse, Mahesh; Yadav, Reena; Kumar, Ghanshyam; Ramaprakash, Anamparambu; Tripathi, Durgesh; Sankarasubramanian, K; Nagaraju, K; Vadodariya, Koushal; Tadepalli, Srikar; Deogaonkar, Rushikesh; Olekar, Manjunath; Azaruddin, Mohamed; Unnikrishnan, Amrita (Springer, 2023-02)
    Aditya-L1 is India’s first observatory-class solar space mission to study the Sun from the Lagrange L1 point. The Solar Ultra-Violet Imaging Telescope (SUIT) is one of the payloads onboard Aditya-L1. SUIT is an off-axis ...
  • Solar Ultraviolet Flux Variation in the Biological Band during the Total Solar Eclipse of October 24, 1995 
    Niranjan, K; Thulasiraman, S; Reddy, Y. S (Indian Institute of Astrophysics, Bangalore, 1997)
    Solar UV B Flux measurements have been made at four discrete wavelengths of 290, 300, 310 and 320 nm during and around the solar eclipse day of 24th October 1995. The Diurnal variation of the UV flux has shown the recovery ...
  • The Solar Ultraviolet Imaging Telescope on-board Aditya-L1 
    Murthy, J; Rahna, P. T; Sutaria, F. K; Safonova, M; Gudennavar, S. B; Bubbly, S. G (Current Science Association, 2017-08)
    The Solar Ultraviolet Imaging Telescope (SUIT) is an instrument onboard the Aditya-L1 spacecraft, the first dedicated solar mission of the Indian Space Research Organization (ISRO), which will be put in a halo orbit at the ...
  • The solar ultraviolet imaging telescope onboard Aditya-L1 
    Ghosh, Avyarthana; Chatterjee, Subhamoy; Khan, Aafaque R; Tripathi, Durgesh; Ramaprakash, A. N; Banerjee, D; Chordia, P; Gandorfer, Achim; Krivova, N.A; Nandy, D; Rajarshi, Chaitanya; Solanki, S. K; Sriram, S (SPIE-The International Society for Optical Engineering, 2016-07)
    The Solar Ultraviolet Imaging Telescope (SUIT) is an instrument onboard the Aditya-L1 spacecraft, the first dedicated solar mission of the Indian Space Research Organization (ISRO), which will be put in a halo orbit at the ...
  • 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 ...
  • Solar UV variability 
    Subbaraya, B. H (Astronomical Society of India, 1998)
    The ultraviolet part of the solar spectrum is unique. Sandwiched between the relatively stable visible radiation and the highly variable energetic radiation short of 1000Ǻ, the EUV and the X-rays, it exhibits a small but ...
  • Solar variability in the CaII K during solar cycles 21 and 22 
    Sivaraman, K. R; Gupta, S. S; Kariyappa, R; Aleem, P. S. M; Sundararaman, K (Astronomical Society of India, 1993)
    We have monitored the sun in the light of the CaII K line and obtained the disc integrated profiles for the years 1974-91. From these profiles we have estimated the variability of the sun as a star as seen in the various ...
  • Solar wave-length displacements observed at the Japan eclipse 
    Royds, T (Royal Astronomical Society, 1936-06-19)
  • Solar wind : structure and dynamics 
    Vats, H. O; Iyer, K. N; Oza, R. M; Mehta, M; Deshpande, M. R; Kojima, M (Astronomical Society of India, 1998)
    The interplanetary scintillation (IPS) observations can be used for the determination of structure and dynamics of the solar wind. The parameters of the plasma irregularities of the solar wind are usually derived by ...
  • Solar wind associated with near equatorial coronal Hole 
    Hegde, M; Hiremath, K. M; Doddamani, V. H; Gurumath, S. R (2015-09)
    Present study probes temporal changes in the area and radiative flux of near equatorial coronal hole associated with solar wind parameters such as wind speed, density, magnetic field and temperature. Using high temporal ...
  • Solar wind flow associated with stream-free sector boundaries at 1 AU 
    Sastri, J. H (Kluwer Academic Publishers, 1987-09)
    The correlations between the plasma characteristics of the solar wind flow in the vicinity (± 12 hr) of stream-free sector boundaries near Earth are examined using the composite data base of interplanetary plasma for the ...
  • Solar X-ray bursts 
    Rausaria, R. R (Indian Institute of Astrophysics, Bangalore, 1988)
    The experimental results of X-ray bursts about spectral characteristics, spatial distribution and directivity measurements carried out with PVO/ISEE-3 spacecraft imaging instruments of HXIS and Hard X-ray burst spectrometers ...
  • Solar X-Ray Spectral Irradiance Variability 
    Ramesh, K. B; Sundararaman, K (Springer, 2006-04)
    Solar spectral irradiance at X-ray wavelengths show large variations over a period of solar cycle. We use X-ray irradiance data in three narrow spectral regimes deduced from Yohkoh SXT measurements to study coronal irradiance ...
  • Solar-Cycle Characteristics in Kodaikanal Sunspot Area: North-South Asymmetry, Phase Distribution and Gnevyshev Gap 
    Ravindra, B; Chowdhury, Partha; Javaraiah, J (Springer Nature, 2021-01)
    Solar activity is asymmetric in the two hemispheres in almost all cycles. This asymmetry is observed both in cycle amplitude and period. We have used about 90 years of sunspot-area data from the Kodaikanal Solar Observatory ...
  • Solar-Cycle-Related Variations in the Solar Differential Rotation and Meridional Flow: A Comparison 
    Javaraiah, J; Ulrich, R. K (Springer, 2006-09)
    We have analysed a large set of sunspot group data (1874 2004) and find that the meridional flow strongly varies with the phase of the solar cycle, and the variation is quite different in the northern and the southern ...
  • Solar-like oscillations in HD 181420: data analysis of 156 days of CoRoT data 
    Barban, C; Deheuvels, S; Baudin, F; Appourchaux, T; Auvergne, M; Ballot, J; Boumier, P; Chaplin, W. J; Garcia, R. A; Gaulme, P; Michel, E; Mosser, B; Regulo, C; Roxburgh, I. W; Verner, G; Baglin, A; Catala, C; Samadi, R; Bruntt, H; Elsworth, Y; Mathur, S (EDP Sciences, 2009-10)
    Context. The estimate of solar-like oscillation properties, such as their frequencies, amplitudes and lifetimes, is challenging because of their low amplitudes and will benefit from long and uninterrupted observing runs. ...
  • Solar-like oscillations in low-luminosity red giants: first results from Kepler 
    Bedding, T. R; Huber, D; Stello, D; Elsworth, Y. P; Hekker, S; Kallinger, T; Mathur, S; Mosser, B; Preston, H. L; Ballot, J; Barban, C; Broomhall, A. M; Buzasi, D. L; Chaplin, W. J; Garcia, R. A; Gruberbauer, M; Hale, S. J; De Ridder, J; Frandsen, S; Borucki, W. J; Brown, T; Christensen-Dalsgaard, J; Gilliland, R. L; Jenkins, J. M; Kjeldsen, H; Koch, D; Belkacem, K; Bildsten, L; Bruntt, H; Campante, T. L; Deheuvels, S; Derekas, A; Dupret, M. A; Goupil, M. J; Hatzes, A; Houdek, G; Ireland, M. J; Jiang, C; Karoff, C; Kiss, L. L; Lebreton, Y; Miglio, A; Montalban, J; Noels, A; Roxburgh, I. W; Sangaralingam, V; Stevens, I. R; Suran, M. D; Tarrant, N. J; Weiss, A (IOP Publishing, 2010-04)
    We have measured solar-like oscillations in red giants using time-series photometry from the first 34 days of science operations of the Kepler Mission. The light curves, obtained with 30-minute sampling, reveal clear ...
  • Solar-like oscillations with low amplitude in the CoRoT target HD 181906 
    Garcia, R. A; Regulo, C; Samadi, R; Ballot, J; Barban, C; Benomar, O; Chaplin, W. J; Gaulme, P; Appourchaux, T; Mathur, S; Mosser, B; Toutain, T; Verner, G. A; Auvergne, M; Baglin, A; Baudin, F; Boumier, P; Bruntt, H; Catala, C; Deheuvels, S; Elsworth, Y; Jimenez-Reyes, S. J; Michel, E; Perez Hernandez, F; Roxburgh, I. W; Salabert, D (EDP Sciences, 2009-10)
    Context: The F8 star HD 181906 (effective temperature ~6300K) was observed for 156 days by the CoRoT satellite during the first long run in the centre direction. Analysis of the data reveals a spectrum of solar-like acoustic ...

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