IIA Institutional Repository: Recent submissions

  • Multiwavelength Study of the NGC 281 Region 
    Sharma, S; Pandey, A. K; Pandey, J. C; Chauhan, N; Ogura, K; Ojha, D. K; Borrissova, J; Mito, H; Verdugo, T; Bhatt, B. C (Astronomical Society of Japan, 2012-10)
    We present a multiwavelength study of the NGC 281 complex which contains the young cluster IC 1590 at the center, using deep wide-field optical UBV Ic photometry, slitless spectroscopy along with archival data sets in ...
  • Optical studies of novae 
    Anupama, G. C; Kamath, U. S (Astronomical Society of India, 2012-09)
    We review the observational characteristics of classical and recurrent novae in the optical region, in the context of observational programmes carried out using telescopes at the Vainu Bappu Observatory (VBO) and the ...
  • Concept study of an « Extremely Large Hyper Telescope » (ELHyT) with 1200m sparse aperture for direct imaging at 100 micro-arcsecond resolution 
    Labeyrie, A; Mourard, D; Allouche, F; Charkraborthy, R; Dejonghe, J; Arun Surya; Bresson, Y; Aime, C; Mary, D; Carlotti, A (SPIE--The International Society for Optical Engineering, 2012-09)
    The hypertelescope construction initiated in the Southern Alps (Labeyrie et al., this conference) has provided some preliminary operating experience indicating that larger versions, up to perhaps 1200m, are probably ...
  • Construction of a 57m hypertelescope in the southern Alps 
    Labeyrie, A; Allouche, F; Mourard, D; Bolgar, F; Chakraborthy, R; Maillot, J; Palitzyne, N; Poletti, J. R; Rochaix, J. P; Prud homme, R; Rondi, A; Roussel, M; Arun Surya (SPIE--The International Society for Optical Engineering, 2012-09)
    For information-rich direct images at high resolution, hypertelescopes combine light from a sparse array of many subapertures, using pupil densi cation. Among the possible architectures, the Arecibo-like spherical class has ...
  • Optical Photometric and Polari metric investigation of NGC 1931 
    Pandey, A. K; Eswaraiah, C; Sharma, S; Samal, M. R; Chauhan, N; Chen, W. P; Jose, J; Ojha, D. K; Yadav, Ram Kesh; Chandola, H. C (IOP Publishing, 2013-02-05)
    We present optical photometric and polarimetric observations of stars toward NGC 1931 with the aim of deriving cluster parameters such as distance, reddening, age, and luminosity/mass function as well as understanding dust ...
  • Outline of work for the lunar section 
    Mitchell, J (Astronomical Society of India, 1910-11)
  • Meteors 
    Rakshit, B. M (Astronomical Society of India, 1910-11)
  • Report of the meeting of the society held on tuesday the 26th October 1910 
    Tomkins, H. G; Burn, W. G (Astronomical Society of India, 1910-11)
  • Origin of the society 
    Letton, C. T., ed., (Astronomical Society of India, 1910-11)
  • A study of the performance parameters of the High Altitude Gamma Ray (HAGAR) telescope system at Ladakh in India 
    Saha, L; Chitnis, V. R; Vishwanath, P. R; Kale, S; Shukla, A; Acharya, B. S; Anupama, G. C; Bhattacharjee, P; Britto, R. J; Prabhu, T. P; Singh, B. B (Elsevier Science B.V., 2013-02)
    We present results of Monte Carlo simulations for the High Altitude Gamma Ray (HAGAR) telescope array which detects very high energy gamma rays from astronomical sources. This telescope array, located at Hanle at an altitude ...
  • Work to begin in Ladakh on world's largest solar telescope 
    Sunderarajan, P (The Hindu, 2013-01-07)
    NEW DELHI: Work on the world's largest solar telescope is likely to commence in the Ladakh region of Jam mu and Kashmir by the end of this year.
  • A Bangalorean helped physicist calculate time 
    Kundu, Rhik (The Times of India, 2013-01-02)
    Bangalore: American physicist David J Wineland, who along with French scientist Serge Haroche won the 2012Nobel Prize for his works in quantum physics, has a Bangalore connection. This link, incidentally, contributed ...
  • Indian firms to supply parts for billion-dollar telescope 
    Sunderarajan, P (The Hindu, 2013-01-24)
    Several Indian companies are gearing up to play a major role in the construction of the $ 1.2 billion Thirty Metre Telescope, which will be the world’s most advanced ground-based observatory that will be operating in optical ...
  • India to be central part of thirty metre telescope project 
    Koshy, Jacob P. (The Live Mint & Wallstreet Journal, 2013-01-22)
    India is likely to make key parts, develop software and partly fund the development of the so-called Thirty Meter Telescope (TMT), the largest of its kind that is being planned atop Mauna Kea, Hawaii, one of the tallest ...
  • Construction of 30-meter optical telescope to begin next year 
    Press Trust of India (Business Standard, 2013-01-22)
    Construction of the world's largest optical telescope by a five-nation consortium including India is expected to start next year with Indian scientists making significant contribution in developing its key components.
  • Construction Of 30-meter optical telescope to begin next year 
    Indian Economy (Indian Economy, 2013-01-23)
    New Delhi: A five-nation consortium including India is expected to start the construction of the world's largest telescope next year with Indian scientists making significant contribution in developing its key components.
  • SUBARU/HDS Study of HE 1015−2050: Spectral Evidance of R Coronae Borealis Light Decline 
    Goswami, A; Aoki, Wako (IOP Publishing, 2013-02-01)
    Hydrogen deficiency and a sudden optical light decline of about 6-8 mag are two principal characteristics of R Coronae Borealis (RCB) stars. The high latitude carbon star HE 1015–2050 was identified as a hydrogen-deficient ...
  • भारतीय खगोल वेधशाला हैनले, लद्दाख 
    भट्ट, बी. सी (NISCAIR-CSIR, 2012-12)
  • RRI-GBT multi-band receiver: motivation, design, and development 
    Maan, Yogesh; Deshpande, Avinash A; Chandrashekar, Vinutha; Chennamangalam, Jayanth; Raghavendra Rao, K. B; Somashekar, R; Anderson, Gary; Ezhilarasi, M. S; Sujatha, S; Kasturi, S; Sandhya, P; Bauserman, Jonah; Duraichelvan, R; Amiri, Shahram; Aswathappa, H. A; Barve, Indrajit V; Sarabagopalan, G; Ananda, H. M; Beaudet, Carla; Bloss, Marty; Dhamnekar, Deepa B; Egan, Dennis; Ford, John; Krishnamurthy, S; Mehta, Nikhil; Minter, Anthony H; Nagaraja, H. N; Narayanaswamy, M; O'Neil, Karen; Raja, Wasim; Sahasrabudhe, Harshad; Shelton, Amy; Srivani, K. S; Venugopal, H. V; Viswanathan, Salna T (IOP Publishing, 2013-01)
    We report the design and development of a self-contained multi-band receiver ( MBR ) system, intended for use with a single large aperture to facilitate sensitive and high time-resolution observations simultaneously in 10 ...
  • Coronal Rotation from XBPs Observed with Hinode/XRT 
    Kariyappa, R; DeLuca, E (Astronomical Society of the Pacific, 2012-05)
    We have selected a large number of X-ray bright points (XBPs) over synoptic soft X-ray full-disk images observed using Al-Mesh with X-Ray Telescope (XRT) onboard the Hinode spacecraft during July-December, 2008. We have ...

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