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  • Hsieh, H. H.; Fitzsimmons, A.; Joshi, Y.; Christian, Damian; Pollacco, D. L. (2010)
    We present wide-field imaging of the 2007 outburst of Comet 17P/Holmes obtained serendipitously by SuperWASP-North on 17 nights over a 42-night period beginning on the night (2007 October 22–23) immediately prior to the ...
  • Dumka, U. C.; Satheesh, S. K.; Pant, P.; Hegde, P.; Moorthy, K. K. (2006)
    During a comprehensive aerosol field campaign as a part of the ISRO-GBP, extensive measurements of radiative fluxes at the surface were made during December 2004 at Manora Peak, in the Shivalik ranges of the Central ...
  • Singh, M.; Sanwal, B. B.; Stalin, C. S. (2001)
    CCD photometric observations of the Wolf-Rayet galaxies NGC 1741, IIZw40 and IRAS 01003-2238 were taken with 104 cm telescopes of the U. P. State Observatry BainiTal using 1024 х 1024 CCD camera in B V R I and Hα filters. ...
  • Dumka, Umesh Chandra; Kosmopoulos, Panagiotis G.; Baxevanaki, Effrosyni; Kaskaoutis, Dimitris G.; Huda, Muhammad Nurul; Khan, Md Firoz; Bilal, Muhammad; Ambade, Balram; Khanal, Sujan; Munshi, Pavel (MDPI, 2023-09)
    This study estimates the radiative forcing by biomass burning and dust aerosols over the Indian subcontinent, with emphasis on the Indo-Gangetic Plains (IGP) during the period from January 2021 to April 2021, based on ...
  • Uddin, W.; Verma, V. K. (2000)
    We report here a study of 8 solar surges observed in Hα emission on the west solar limb (active region NOAA 6368) on 26, 27 and 28 November 1990. Three surges were observed on 26 November of durations 35, 86 and 40 min at ...
  • Verma, V. K.; Pande, M. C. (1982)
    Time-lapse photographic observations with 0.7Å passband H-alpha filter and the morphological behaviour of the surge prominence recorded on 1981 November 19 have been described. The surge was recorded both in the ascending ...
  • Panwar, Neelam; Jose, Jessy; Rishi, C (Journal Astrophysical Astronomy, 2023-06)
    Actively accreting young stellar objects show Hα emission line in their spectra. We present the results of survey for Hα emission-line stars in the star-forming region IC 5070 taken with 2-m Himalyan Chandra Telescope. ...
  • Karmakar, Subhajeet; Naik, Sachindra; Pandey, Jeewan C.; Savanov, Igor S. (Monthly Notices of the Royal Astronomical Society, 2023-01)
    We present an in-depth study of a large and long duration (>1.3 d) X-ray flare observed on an RS CVn-type eclipsing binary system SZ Psc using observations from Swift observatory. In the 0.35–10 keV energy band, the peak ...
  • Rawat, Nikita; Pandey, J. C.; Joshi, Arti; Scaringi, Simone; Yadava, Umesh (Monthly Notices of the Royal Astronomical Society, 2022-12)
    Based on the X-ray observations from XMM–Newton and Swift, and optical observations from Transiting Exoplanet Survey Satellite (TESS) and AAVSO, we present temporal and spectral properties of probable intermediate polar ...
  • Rossi, A.; Pandey, S. B. (EDP, 2011)
    We present the results of a comprehensive study of the gamma-ray burst 080928 and of its afterglow. GRB 080928 was a long burst detected by Swift/BAT and Fermi/GBM. It is one of the exceptional cases where optical emission ...
  • Mondal, S., et al. (2010-05)
    The Taiwanese–American Occultation Survey (TAOS) project has collected more than a billion photometric measurements since 2005 January. These sky survey data—covering timescales from a fraction of a second to a few hundred ...
  • Bianaco, F. B., et al. (including Mondal, S.) (2010-04)
    We have analyzed the first 3.75 years of data from the Taiwanese American Occultation Survey (TAOS). TAOS monitors bright stars to search for occultations by Kuiper Belt objects (KBOs). This data set comprises 5×10⁵ star ...
  • Dumka, U. C., et al. (Elsevier, 2013)
    Time variability of black carbon (BC) aerosols over different timescales (daily, weekly and annual) is studied over a tropical urban location Hyderabad in India using seven channel portable Aethalometer. The results for ...
  • Shrama, Saurabh, et.al; Panwar, Neelam; Verma, Aayushi; Ghosh, Arpan; Chand, Tarak (Journal Astrophysical Astronomy, 2023-06)
    We have performed a detailed analysis on the Teutsch 76 (T76) open cluster using the deep near infrared (NIR) observations taken with the TANSPEC instrument mounted on the 3.6m Devasthal optical telescope along with the ...
  • Kumar, Rajiv (ARIES, Nainital, 2016-03)
    The goal of this thesis is to understand the black hole accretion process, out ows and jets, and predict its observational properties. In the study of accretion disc, the highly non-linear process involves a transport ...
  • Sagar, R. (Indian Academy of Sciences, 2013)
    Optical Astronomy is as old as human life itself since the human eye can also func- tion as a telescope, a detector and an analyser. However, the importance, potential, and power of optical telescopes in discovering and ...
  • Srivastva, R. K.; Padalia, T. D. (1974)
    The geometrical element of the system GH pegasi and a slightly improved period of 2ᵈ.556136 have been given.
  • Padalia, T. D.; Srivastava, R. K. (1975)
    The photoelectric elements of the system EI cephei have been determined U,B,V colours. The absolute dimensions have been determined and some evolutionary aspects have been discussed.A modified period of 8ᵈ.439334 has been ...
  • Kandpal, C. D. (1975)
    Photoelectric elements of the system TW Cas have been determined in U,B and V filters. A refined period of 1ᵈ.428 324 77 has been given though no change in period is noticed. Spectroscopic elements given by struve have ...
  • Hrudkova, M.; Skillen, I.; Benn, C. R.; Gibson, N. P.; Pollacco, D.; Nesvorny, D.; Augusteijn, T.; Tulloch, S. M.; Joshi, Y. C. (2010)
    We report a transit timing study of the transiting exoplanetary system HD 189733. In total, we observed 10 transits in 2006 and 2008 with the 2.6-m Nordic Optical Telescope, and two transits in 2007 with the 4.2-m William ...

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