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Browsing IIAP Publications by Title

Browsing IIAP Publications by Title

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  • Saquet, E; Emelyanov, N; Robert, V; Arlot, J. -E; Anbazhagan, P; Baillie, K; Bardecker, J; Berezhnoy, A. A; Bretton, M; Campos, F; Capannoli, L; Pomazan, A; Popescu, M; Pratt, A; Raskhozhev, V. N; Resch, J.-M; Robilliard, D; Roschina, E; Rothenberg, E; Rottenborn, M; Rusov, S. A; Talbot, J; Saby, F; Saya, L. F; Selvakumar, G; Signoret, F; Slesarenko, V. Y; Sokov, E. N; Soldateschi, J; Sonka, A; Soulie, G; Tejfel, V. G; Thuillot, W; Timerson, B; Toma, R; Torsellini, S; Trabuco, L. L; Traverse, P; Tsamis, V; Unwin, M; Carry, B; Van Den Abbeel, F; Vandenbruaene, H; Vasundhara, R; Velikodsky, Y. I; Vienne, A; Vilar, J; Vugnon, J. -M; Wuensche, N; Zeleny, P; Castet, M; Charbonnier, Y; Chernikov, M. M; Christou, A; Colas, F; Coliac, J. -F; Dangl, G; Dechambre, O; Delcroix, M; Dias-Oliveira, A; Drillaud, C; Duchemin, Y; Dunford, R; Ellington, C; Fabre, P; Filippov, V. A; Finnegan, J; Foglia, S; Font, D; Gaillard, B; Galli, G; Garlitz, J; Gasmi, A; Gaspar, H. S; Gault, D; Gazeas, K; George, T; Gorda, S. Y; Gorshanov, D. L; Gualdoni, C; Guhl, K; Halir, K; Hanna, W; Henry, X; Herald, D; Houdin, G; Ito, Y; Izmailov, I. S; Jacobsen, J; Jones, A; Kamoun, S; Kardasis, E; Karimov, A. M; Khovritchev, M. Y; Kulikova, A. M; Laborde, J; Lainey, V; Lavayssiere, M; Guen, P. Le; Leroy, A; Loader, B; Lopez, O. C; Lyashenko, A. Y; Lyssenko, P. G; Machado, D. I; Maigurova, N; Manek, J; Marchini, A; Midavaine, T; Montier, J; Morgado, B. E; Naumov, K. N; Nedelcu, A; Newman, J; Ohlert, J. M; Oksanen, A; Pavlov, H; Petrescu, E (Oxford University Press on behalf of the Royal Astronomical Society, 2018-03)
    During the 2014–2015 mutual events season, the Institut de M ́ ecanique C ́ eleste et de Calcul des ́ Eph ́ em ́ erides (IMCCE), Paris, France, and the Sternberg Astronomical Institute (SAI), Moscow, Russia, ...
  • Emelyanov, N; Arlot, J-E; Anbazhagan, P; Andre, P; Bardecker, J; Canaud, G; Coliac, J. F; De Elias Cantalapiedra, J; Ellington, C. K; Fernandez, J. M; Forbes, M; Gazeas, K; Gault, D; George, T; Gourdon, F; Herald, D; Huber, D; Iglesias-Marzoa, R; Izquierdo, J; Jorba Lloveras, R; Kerr, S; Lasala, A; Le Guen, P; Leroy, A; Lutz, M; Maley, P; Mannchen, T; Mari, J. M; Maury, A; Newman, J; Palafouta, S; Prieto Gallego, J; Roger, P; Roschli, D; Selvakumar, G; Serra, V; Stuart, P; Turchenko, M; Vasundhara, R; Velasco, E (Oxford University Press on behalf of Royal Astronomical Society, 2022-11)
    2021 wasthe year ofJupiter’s equinox, that isthe Sun and the Earth passed through the equatorial plane of the planet and therefore the orbital planes of its main satellites. This occurrence made it possible to observe ...
  • Arlot, J. -E; Thuillot, T; Ruatti, C; Akasawa, A; Baroni, S; Beisker, W; Berthier, J; Blanco, C; Boonstra, J; Bourgeois, J; Bulder, H; Casas, R; Castano, J. G; Colas, F; Collins, D; Cuypers, J; Czech, W; D'Ambrosio, V; Denzau, H; Descamps, P; Dimitrescu, A; Dinakarian, N; Dourneau, G; Enriquez, J. M; Fernandez, J. M; Fernandez-Barba, D; Flatres, T; Goncalves, M; Guhl, K; Helmer, G; Hirose, T; Irsmambetova, T. R; Krobusek, B. A; Lecacheux, J; Le Campion, J.-F; Lou, M; Mallama, A; Nelson, P; Okura, N; Park, J; Pauwels, T; Pluchino, S; Priban, V; Rapaport, M; Sacré, J.-J; Salvaggio, F; Sanchez, M. A; Sanchez-Bajo, F; Stefanescu, G; Tanga, P; Tejfel, V. G; Trisan, J. L; Trunkovsky, E. M; Vandenbulcke, G; Vasundhara, R; Vass, G; Vingerhoets, P; Vu, D. T; Wilds, R. T (EDP Sciences, 2006-05)
    In 1997 the Sun and the Earth passed through the equatorial plane of Jupiter and therefore through the orbital planes of its main satellites. During this period, mutual eclipses and occultations occurred and were observed. ...
  • Gokhale, M. H; Venkatakrishnan, P (Indian Academy of Sciences, 1978-11)
    A kinematical model is necessary for understanding the gross structure of the coronal magnetic field and its slow evolution in consistency with the small scale structure of the photospheric fields. Here we have developed ...
  • Ramachandran, G; Oo, Y. Y; Shilpashree, S. G (IOP Publishing, 2006-05)
    A model independent irreducible tensor formalism, developed earlier for np fusion, is extended to discuss photodisintegration of the deuteron at astrophysical energies. It is shown that target analyzing powers at teta = ...
  • Sagar, R; Cannon, R. D; Hawkins, M. R. S (Royal Astronomical Society, 1988-05)
    The colour-magnitude diagram for NGC 1851 is presented to a limit of V = 21.0 mag, approximately 2 mag below the main-sequence turn-off point, on the basis of UBV photoelectric photometry and electronographic BV photometry. ...
  • Doss, A. T; Bhatnagar, A; Natarajan, V (Kodaikanal Observatory, 1972-07)
    The measurement and analysis of the spectra of Nova Delphini (1967) obtained at Kodaikanal is presented. An estimate of the photospheric temperature of the nuclear star of the nova is also made
  • Bhattacharyya, J. C (Kodaikanal Observatory, 1966-12)
    Photoelectric light curves in B and V of the W Ursa majoris star YY Eridani have been determined. Gradual lengthening of the period has been observed
  • Ashoka, B. N; Pukalenthi, S (Konkoly Observatory, 1986-06)
  • Sanwal, N. B; Sarma, M. B. K; Vivekanand Rao, P; Parthasarathy, M (Osmania University, 1990-03)
    The short-period eclipsing binary V Crateris is observed in the B and V colors of Johnson and Morgan's UBV system with attention given to the results from comparison and check stars. Magnitude differences are listed, and ...
  • Ramani, M; Cowsik, R; Singh, J; Shukla, A. K (Wg. Cdr.); Ravi Shekar (Sqn. Ldr.); Narayana, P. V. S (Fg. Offr); Shaji, P. K (Fg. Offr.); Paul, S. K (Fg. Offr.); Shelkey, S. N (J.W.O); Babu, K. R (J.W.O); Kamble, V. B (Indian Institute of Astrophysics, Bangalore, 1997)
    The teams of the Indian Air Force participated actively in the programme. They made several supersonic flights to follow shadow zone of the moon on earth along the path of totality, thereby extending thte duration of ...
  • Surendiranath, R; Kameswara Rao, N (Blackwell Publishing, 1995-08)
    A photoionization code has been developed incorporating provision for the presence of dust mixed with gas. M4-18 has been modelled utilizing optical CCD spectra and other observations ranging from UV to radio wavelengths. ...
  • Mondal, Anindita; Das, Ramkrishna; Anupama, G. C; Mondal, Soumen (Oxford University Press on behalf of the Royal Astronomical Society, 2020-02)
    Using observed and published spectra in the optical region, we have studied a handful of novae and symbiotic stars that show novae-like variability in the quiescence phase. We present results for the novae ...
  • Bose, S; Kumar, B; Misra, K; Matsumoto, K; Brajesh Kumar; Singh, M; Fukushima, D; Kawabata, M (Oxford University Press on behalf of the Royal Astronomical Society, 2016-01)
    We present broad-band photometric and polarimetric observations of two Type II supernovae (SNe) 2013hj and 2014G. SN 2014G is a spectroscopically classified Type IIL event, which we also confirm photometrically because ...
  • Raveendran, A. V; Kameswara Rao, N (Springer, 1988)
  • Mekkaden, M. V (The European Southern Observatory, 1998-12)
    The photometric and polarimetric observations of the isolated T Tauri star TW Hya are presented. It is found that a period 2.196 days derived from the present data satisfies all the available photometry. The steep increase ...
  • Raveendran, A. V; Ashoka, B. N; Kameswara Rao, N (D. Reidel Publishing Co, 1986)
    Fourier analysis of the light curves of R CrB in the V band near maximum shows that in addition to several significant short periods there is a modulation of the visual light with a period around 1170 days, similar to that ...
  • Sahu, D. K; Anupama, G. C; Anto, P (Oxford University Press on behalf of the Royal Astronomical Society, 2013-04-01)
    We present optical UBVRI photometry and medium-resolution spectroscopy of a transitional Type Ia supernova, SN 2009an, over the period −6 to +150 d from the B maximum. With a Δm15(B) = 1.514 ± 0.132, SN 2009an declines ...
  • Gangopadhyay, A; Turatto, Massimo; Benetti, Stefano; Misra, K; Brajesh Kumar; Cappellaro, Enrico; Pastorello, Andrea; Tomasella, Lina; Vanni, Sabrina; Fiore, Achille; Morales-Garoffolo, A; Elias-Rosa, Nancy; Singh, Mridweeka; Dastidar, R; Ochner, Paolo; Tartaglia, Leonardo; Brijesh Kumar; Pandey, S. B (Oxford University Press on behalf of the Royal Astronomical Society, 2020-11)
    We present an extensive (∼1200 d) photometric and spectroscopic monitoring of the Type IIn supernova (SN) 2012ab. After a rapid initial rise leading to a bright maximum (MR = −19.39 mag), the light curves show a plateau ...
  • Sahu, D. K; Anupama, G. C; Srividya, S; Muneer, S (Blackwell Publishing, 2006-09)
    We present optical photometry and spectroscopy of the Type IIP supernova SN 2004et that occurred in the nearby galaxy NGC 6946. The observations span a time range of 8–541 d after explosion. The late time bolometric ...

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