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  • Muthumariappan, C; Amrutha, B. M; Selvakumar, G (Elsevier B.V., 2023-01-01)
    We report dusty photo-ionization models for two Planetary Nebulae NGC 2452 and IC 2003, which have [WR] type central stars, using 1D photo-ionization code Cloudy17.02. We used the medium resolution optical spectra and ...
  • Heywood, I; Rammala, I; Camilo, F; Cotton, W. D; Yusef-Zadeh, F; Abbott, T. D; Adam, R. M; Adams, G; Aldera, M. A; Asad, K. M. B; Bauermeister, E. F; Bennett, T. G. H; Bester, H. L; Bode, W. A; Botha, D. H; Botha, A. G; Brederode, L. R. S; Buchner, S; Burger, J. P; Cheetham, T; de Villiers, D. I. L; Dikgale-Mahlakoana, M. A; du Toit, L. J; Esterhuyse, S. W. P; Fanaroff, B. L; February, S; Fourie, D. J; Frank, B. S; Gamatham, R. R. G; Geyer, M; Goedhart, S; Gouws, M; Gumede, S. C; Hlakola, M. J; Hokwana, A; Hoosen, S. W; Horrell, J. M. G; Hugo, B; Isaacson, A. I; Jozsa, G. I. G; Jonas, J. L; Joubert, A. F; Julie, R. P. M; Kapp, F. B; Kenyon, J. S; Kotze, P. P. A; Kriek, N; Kriel, H; Krishnan, V. K; Lehmensiek, R; Liebenberg, D; Lord, R. T; Lunsky, B. M; Madisa, K; Magnus, L. G; Mahgoub, O; Makhaba, A; Makhathini, S; Malan, J. A; Manley, J. R; Marais, S. J; Martens, A; Mauch, T; Merry, B. C; Millenaar, R. P; Mnyandu, N; Mokone, O. J; Monama, T. E; Mphego, M. C; New, W. S; Ngcebetsha, B; Ngoasheng, K. J; Ockards, M. T; Oozeer, N; Otto, A. J; Passmoor, S. S; Patel, A. A; Peens-Hough, A; Perkins, S. J; Ramaila, A. J. T; Ramanujam, N. M. R; & 30 Co-authors (American Astronomical Society, 2022-02-01)
    The inner ∼200 pc region of the Galaxy contains a 4 million M⊙ supermassive black hole (SMBH), significant quantities of molecular gas, and star formation and cosmic-ray energy densities that are roughly two orders of ...
  • Javaraiah, J (Astronomical Society of India, 2003)
    Using the daily Mt. Wilson velocity data during 1986-1994, we found 1.3 ± 0.1 yr periodicity - is dominant in the Sun's surface `mean' rotation rate (A ) during 1986-1994 (solar cycle 22). A 153 ± 5 - day periodicity found ...
  • Saxena, A. K; Jayarajan, A. P; Kumar, K (Indian Institute of Astrophysics, Bangalore, 1980)
    The design and features of 1.5m vacuum coating plant an in house facility at the Kavalur Observatory for periodic aluminizing of astronomical optics are described. A typical performance data is given.
  • Bardoloi, I; Duorah, K; Duorah, H. L; Barua, M. M (Astronomical Society of India, 1996)
    The COMPTEL telescope aboard the CGRO satellite has revealed highly significant 1.8 MeV emission lines from the Galactic plane region of the Milky Way Galaxy. The observed concentrated emission region may contain a single ...
  • The Hindu (The Hindu, 1981-10-01)
  • Anupama, G. C; Maheswar, G; Sriram, S; Sivarani, T; Parihar, P. S; Nagabhushana, S; Angchuk, D; Barway, Sudhanshu; Bhatt, B. C; Banyal, R. K; Basheer, Alikhan; Prasanna, Deshmukh; Divakar, D. K; Dorjai, T; Goswami, A; Govinda, K. V; Jorphail, S; Kamath, U. S; Kemkar, P. M. M; Mahay, T. T; Muneer, S; Muthumariappan, C; Shantikumar, N. S; Pandey, G; Reddy, B. E; Sahu, D. K; Sandeep, D. S; Ramya, S; Stalin, C. S; Subramanian, S; Tsewang, Stanzin; Subramaniam, A (Indian Academy of Science, 2022-06)
    An observatory class national large optical-IR telescope (NLOT), is proposed to be built and located in the country. The telescope consists of a 10–12 m segmented primary. In order to cater to a diversity of observational ...
  • Morel, S; Saha, S. K (Anita Publications, 2005)
  • Ramesh, R; Sundararajan, M. S; Sastry, Ch. V (Springer, 2006-02)
    A low frequency (40 150 MHz) radioheliograph for observations of the solar corona is in operation for the last few years at the Gauribidanur radio observatory, about 100 km north of Bangalore. The array has 32 antenna ...
  • Rajaguru, S. P; Ravindra, B (Indian Institute of Astrophysics, 2024-04)
  • The Times of India (The Times of India, 2019-10-23)
  • Daniel, R. R (Astronomical Society of India, 1975-09)
  • Daniel, R. R (Astronomical Society of India, 1979-12)
  • Indian Institute of Astrophysics (Indian Institute of Astrophysics, 2006)
  • Deccan Herald (Deccan Herald, 1999-08-03)
  • Anupama, G. C; Prabhu, T. P (Indian Academy of Sciences, 1989-09)
    Results are reported from visual spectroscopy of the recurrent nova RS Oph, obtained with a Cassegrain spectrograph on the 102-cm reflector at Vainu Bappu Observatory in February-May 1985 (days 32-108 postoutburst). The ...
  • Mekkaden, M. V (Konkoly Observatory, 1987-07-03)
  • Singh, J (Indian Institute of Astrophysics, 1997)
    As we know, we owe the discovery of solar corona to the observation of total solar eclipse. Inspite of all that has been learned, coronal studies still remain the most important aspect of scientific investigation during ...
  • Kameswara Rao, N; Lambert, D. L; Adams, M. T; Doss, D. R; Gonzalez, G; Hatzes, A. P; James, C. R; Johns-Krull, C. M; Luck, R. E; Pandey, G; Reinsch, K; Tomkin, J; Woolf, V. M (The Royal Astronomical Society, 1999-12)
    A set of high-resolution optical spectra of R CrB acquired before, during and after its 1995-96 decline is discussed. All of the components reported from earlier declines are seen. This novel data set provides new information ...

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