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Browsing by Author "Ganesh, S"

Browsing by Author "Ganesh, S"

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  • Authenticating the presence of a relativistic massive black hole binary in OJ 287 using Its general relativity centenary flare: improved orbital parameters 
    Dey, L; Valtonen, M. J; Gopakumar, A; Zola, S; Hudec, R; Pihajoki, P; Ciprini, S; Matsumoto, K; Sadakane, K; Kidger, M; Nilsson, K; Mikkola, S; Sillanpaa, A; Takalo, L. O; Lehto, H. J; Berdyugin, A; Piirola, V; Jermak, H; Baliyan, K. S; Pursimo, T; Caton, D. B; Alicavus, F; Baransky, A; Blay, P; Boumis, P; Boyd, D; Campas Torrent, M; Campos, F; Carrillo Gomez, J; Chandra, S; Chavushyan, V; Dalessio, J; Debski, B; Drozdz, M; Er, H; Erdem, A; Escartin Perez, A; Fallah Ramazani, V; Filippenko, A. V; Gafton, E; Ganesh, S; Garcia, F; Gazeas, K; Godunova, V; Gomez Pinilla, F; Maheswar, G; Haislip, J. B; Harmanen, J; Hurst, G; Janik, J; Jelinek, M; Joshi, A; Kagitani, M; Karjalainen, R; Kaur, N; Keel, W. C; Kouprianov, V. V; Kundera, T; Kurowski, S; Kvammen, A; LaCluyze, A. P; Lee, B. C; Liakos, A; Lindfors, E; Lozano de Haro, J; Mugrauer, M; Naves Nogues, R; Neely, A. W; Nelson, R. H; Ogloza, W; Okano, S; Pajdosz-Smierciak, U; Pandey, J. C; Perri, M; Poyner, G; Provencal, J; Raj, A; and 27 co-authors (IOP Publishing, 2018-10-10)
    Results from regular monitoring of relativistic compact binaries like PSR 1913+16 are consistent with the dominant (quadrupole) order emission of gravitational waves (GWs). We show that observations associated with the ...
  • Constraints on the evolution of the Triton atmosphere from occultations: 1989–2022 
    Sicardy, B; Tej, A; Gomes-Júnior, A. R; Romanov, F. D; Bertrand, T; Ashok, N. M; Lellouch, E; Morgado, B. E; Assafin, M; Desmars, J; Camargo, J. I. B; Kilic, Y; Ortiz, J. L; Vieira-Martins, R; Braga-Ribas, F; Ninan, J. P; Bhatt, B. C; Pramod Kumar, S; Swain, V; Sharma, S; Saha, A; Ojha, D. K; Pawar, G; Deshmukh, S; Deshpande, A; Ganesh, S; Jain, J. K; Mathew, S. K; Kumar, H; Bhalerao, V; Anupama, G. C; Barway, Sudhanshu; Brandeker, A; Floren, H. G; Olofsson, G; Bruno, G; Mao, Y. M; Ye, R. H; Zou, Q. Y; Sun, Y. K; Shen, Y. Y; Zhao, J. Y; Grishin, D. N; Romanova, L. V; Marchis, F; Fukui, K; Kukita, R; Benedetti-Rossi, G; Santos-Sanz, P; Dhyani, N; Gokhale, A; Kate, A (EDP Sciences, 2024-02)
    Context. In about 2000, the south pole of Triton experienced an extreme summer solstice that occurs every ∼650 years, when the subsolar latitude reached about 50°S. Bracketing this epoch, a few occultations probed the ...
  • Coordinated TeV gamma-ray and optical polarization study of BL Lac object Mkn 501 
    Joshi, U. C; Baliyan, K. S; Ganesh, S; Deshpande, M. R; Bhattacharyya, S; Kaul, R. K; Kaul, C. L; Bhat, C. L (Astronomical Society of India, 2000)
    Coordinated TeV gamma-ray and optical polarization observations of the BL Lac object Mkn 501, carried out during 1997 with the TACTIC imaging Cerenkov telescope of the BARC and the 1.2 m Gurushikhar optical/IR telescope ...
  • ISOGAL: A deep survey of the obscured inner Milky Way with ISO at 7 mu m and 15 mu m and with DENIS in the near-infrared 
    Omont, A; Gilmore, G. F; Alard, C; Aracil, B; August, T; Baliyan, K; Beaulieu, S; Begon, S; Bertou, X; Blommaert, J. A. D. L; Borsenberger, J; Burgdorf, M; Caillaud, B; Cesarsky, C; Chitre, A; Copet, E; de Batz, B; Egan, M. P; Egret, D; Epchtein, N; Felli, M; Fouque, P; Ganesh, S; Genzel, R; Glass, I. S; Gredel, R; Groenewegen, M. A. T; Guglielmo, F; Habing, H. J; Hennebelle, P; Jiang, B; Joshi, U. C; Kimeswenger, S; Messineo, M; Miville-Deschenes, M. A; Moneti, A; Morris, M; Ojha, D. K; Ortiz, R; Ott, S; Parthasarathy, M; Perault, M; Price, S. D; Robin, A. C; Schultheis, M; Schuller, F; Simon, G; Soive, A; Testi, L; Teyssier, D; Tiphene, D; Unavane, M; van Loon, J. T; Wyse, R (EDP Sciences, 2003-06)
    The ISOGAL project is an infrared survey of specific regions sampling the Galactic Plane selected to provide information on Galactic structure, stellar populations, stellar mass-loss and the recent star formation history ...
  • Low resolution spectroscopy of ISOGAL sources: Search for early-type stars with infrared excess 
    Schultheis, M; Parthasarathy, M; Omont, A; Cohen, M; Ganesh, S; Sevre, F; Simon, G (E D P Sciences, 2002-05)
    An analysis of low resolution spectra and infrared data of 29 ISOGAL-DENIS sources with mid-IR excess is presented. Eight ISOGAL sources from our sample with 7-15 mu m excesses are found to be B and A-type stars, some of ...
  • Monitoring of AGNs for variability from MIRO 
    Baliyan, K. S; Joshi, U. C; Ganesh, S (Astronomical Society of India, 2005-06)
    As a long term programme, a sample of blazars is being monitored from Mt Abu Infrared Observatory (MIRO). Blazars are the radio-loud AGNs with polarized, highly luminous and rapidly variable non-thermal continuum emission ...
  • Multiwavelength study of the inner regions of the Milky Way Galaxy 
    Ganesh, S; Joshi, U. C; Baliyan, K. S; Omont, A; Simon, G (Astronomical Society of India, 2005-06)
    The inner regions of the Milky Way have received a lot of attention in recent years. Multiwavelength observations have been made at varying spatial, temporal and spectral resolutions. We have studied the inner regions of ...
  • A near infrared polarimeter for astrophysical studies 
    Joshi, U. C; Manian, K. S. B; Chauhan, J. S; Shah, V; Chitre, A; Ganesh, S; Deshpande, M. R (Astronomical Society of India, 1997)
    A state-of the-art near infrared photo polarimeter was designed and developed at Physical Research Laboratory, Ahmedabad, India to undertake the study of star forming regions, symbiotic stars and AGB stars etc. The instrument ...
  • Near Infrared polarimeter for extended sources 
    Manian, K. S. B; Shah, V; Thomas, M; Joshi, U. C; Ganesh, S (Astronomical Society of India, 1999)
    A state of art near IR polarimeter was designed and developed at Physical Research Laboratory, Ahmedabad and the polarimeter is operational for the last three years. During the last one year a new mode of operation has ...
  • Near Infrared Survey of the Galactic Nuclear Bulge Region 
    Baliyan, K. S; Ganesh, S; Joshi, U. C; Glass, I. S (Astronomical Society of India, 2003)
    Inner 300 pc of the Galactic Center region is surveyed with the SIR-IUS camera mounted on the InfraRed Survey Facility (IRSF) telescope of the SAAO, during June-July 2002, resulting in the deepest near infrared view of the ...
  • PRLNIC3 observations of star forming cloud L1340 
    Ganesh, S; Joshi, U. C; Baliyan, K. S; Shah, C. R; Jain, J. K; Rajpurohit, G. S; Sanchawala, K; Saha, A. B (Astronomical Society of India, 2001)
    Due mainly to high extinction in optical, the structure of our galaxy, Milky Way, is not very well understood. The Galactic disk and bulge contain a host of heavily reddened open clusters which are deeply embedded within ...
  • Spectroscopic observations of first ISOGAL sources 
    Ojha, D. K; Sivarani, T; Parthasarathy, M; Omont, A; Ganesh, S; Simon, G (Astronomical Society of India, 2000)
    Infrared Space Observatory Galactic (ISOGAL) survey at 7 and 15 μm of ~ 22 deg2 of the inner galactic disk and bulge, has detected several hundred thousand sources. Combining ISOGAL survey with I, J, H, Ks data of DENIS ...
  • Study of variability in BL Lac objects 
    Baliyan, K. S; Ganesh, S; Joshi, U. C; Shah, C. R; Vadher, N. M; Deshpande, M. R (Astronomical Society of India, 2001)
    We have monitored some of the BL Lac objects, such as OJ287, Mrk 421, Mrk 501 etc from Mt Abu Infrared Observatory, using optical photopolarimeter, CCD and NICMOS-3 IR array mounted at the Cassegrain focus of the 1.2 m ...
  • Variability study of Mrk-421 in near IR bands from Mt. Abu observatory 
    Joshi, U. C; Baliyan, K. S; Ganesh, S (Astronomical Society of India, 2002)
    Mrk421 is the nearest, and brightest blazar detected in almost all the spectral windows, including high energy gamma-rays. It exhibits short and long timescale variations at all frequency bands. Though it has been observed ...

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