Browsing by Title

Sort by: Order: Results:

  • Electronic transitions of aluminium monoxide. 
    Murty, P. S (North Holland Publishing Company, 1978-04)
    In view of the renewed interest in the electronic spectra of the AlO molecule, which is of both astrophysical and aeronomical interest, a systematic analysis of the available spectral data is carried out. A valid and ...
  • Electrostatic oscillations in the presence of grain-charge perturbations in dusty plasmas 
    Varma, R. K; Shukla, P. K; Krishan, V (The American Physical Society, 1993-05)
    The properties of electrostatic oscillations and instability phenomena are studied, accounting for the time-dependent variation of the grain electric charge due to wave motions in an unmagnetized dusty plasma. It is found ...
  • Elemental abundance survey of the galactic thick disc 
    Reddy, B. E; Lambert, D. L; Prieto, Carlos Allende (Blackwell Publishing, 2006-04)
    We have performed an abundance analysis for F- and G- dwarfs of the Galactic thick-disc component. A sample of 176 nearby (d≤ 150 pc) thick-disc candidate stars was chosen from the Hipparcos catalogue and subjected to a ...
  • Elemental Abundances and Atmospheric Parameters of Seven F-G Supergiants 
    Giridhar, S; Ferro, A; Parrao, L (Astronomical Society of the Pacific, 1997-10)
    Spectroscopic abundance determinations for a sample of seven F-G stars have been carried out. The majority of them have large galactic latitudes. One objective in deriving spectroscopic abundances is to differentiate evolved ...
  • Elemental abundances in CEMP stars: r– and s–process elements 
    Goswami, A; Athiray, S. P; Drisya, K (Springer, 2010)
    A number of Carbon-Enhanced Metal-poor (CEMP) stars are known to exhibit enhancement of both r – and s – process elements. An understanding of the relative contributions from r – and s – process would provide insight into ...
  • Elemental abundances in the solar corona as measured by the X-ray solar monitor onboard Chandrayaan-1 
    Narendranath, S; Sreekumar, P; Alha, L; Sankarasubramanian, K; Huovelin, J; Athiray, P. S (Springer, 2014-05)
    The X-ray Solar Monitor (XSM) on the Indian lunar mission Chandrayaan-1 was flown to complement lunar elemental abundance studies by the X-ray fluorescence experiment C1XS. XSM measured the ≈ 1.8 – 20 keV solar X-ray ...
  • Elementary classes 
    Tomkins, H. G (Astronomical Society of India, 1913-03)
  • The elements of the comet Wolfe, 1916 b 
    Ridsdale, A. C (Astronomical Society of India, 1916)
  • The eleventh and twelfth data releases of the sloan digital sky survey: final data from SDSS-III 
    Alam, S; Albareti, F. D; Prieto, C. A; Anders, F; Anderson, S. F; Anderton, T; Andrews, B. H; Armengaud, E; Aubourg, E; Bailey, S; Basu, S; Bautista, J. E; Beaton, R. L; Beers, T. C; Bender, C. F; Berlind, A. A; Beutler, F; Bhardwaj, V; Bird, J. C; Bizyaev, D; Blake, C. H; Blanton, M. R; Blomqvist, M; Bochanski, J. J; Bolton, A. S; Bovy, J; Bradley, A. S; Brandt, W. N; Brauer, D. E; Brinkmann, J; Brown, P. J; Brownstein, J. R; Burden, A; Burtin, E; Busca, N. G; Cai, Z; Capozzi, D; Rosell, A. C; Carr, M. A; Carrera, R; Chambers, K. C; Chaplin, W. J; Chen, Y-C; Chiappini, C; Chojnowski, S. D; Chuang, C-H; Clerc, N; Comparat, J; Covey, K; Croft, R. A. C; Cuesta, A. J; Cunha, K; da Costa, L. N; Da Rio, N; Davenport, J. R. A; Dawson, K. S; De Lee, N; Delubac, T; Deshpande, R; Dhital, S; Dutra-Ferreira, L; Dwelly, T; Ealet, A; Ebelke, G. L; Edmondson, E. M; Eisenstein, D. J; and 237 coauthors; Sivarani, T (IOP Publishing, 2015-07-20)
    The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fiber-fed optical spectrograph, a new ...
  • Ellipsometry of Coelostat Coatings Using a Babinet Compensator: Simulation of the Experimental Accuracy 
    Sankarasubramanian, K; Venkatakrishnan, P (Kluwer Academic Publishers, 1996-08)
    The precise measurement of solar magnetic fields requires an accurate measurement of the Muller matrix of the optical components in the path of the light beam, which again requires a careful measurement of the optical ...
  • An Embedded active nucleus in the OH megamaser galaxy IRAS 16399-0937 
    Sales, Dinalva A; Robinson, A; Axon, D. J; Gallimore, J; Kharb, P; Curran, R. L; O'Dea, C.; Baum, S; Elitzur, M; Mittal, R (IOP Publishing Ltd, 2015-01-20)
    We present a multiwavelength study of the OH megamaser galaxy IRAS16399–0937, based on new Hubble Space Telescope (HST)/Advanced Camera for Surveys F814W and Hα+[N II] images and archive data from HST, Two Micron All Sky ...
  • Embedded clusters in giant extragalactic H II regions, 1: BVRH-alpha photometry 
    Mayya, Y. D (The American Astronomical Society, 1994-10)
    Photometry in BVR continuum bands and in the emission line of H-alpha+(N II) are presented for a sample of H II complexes in disk, spiral arm and nuclear regions of galaxies NGC 1365, 1566, 2366, 2903, 2997, 3351, 4303, ...
  • Embedded Clusters in Giant Extragalactic H II Regions. II. Evolutionary Population Synthesis Model 
    Mayya, Y. D (The American Astronomical Society, 1995-06)
    A stellar population synthesis model, suitable for comparison with Giant Extragalactic H II Regions (GEHRs), is constructed incorporating the recent developments in modeling stellar evolution by Maeder and co- workers and ...
  • Embedded Clusters in Giant Extragalactic HII Regions.III.Extinction and Star Formation 
    Mayya, Y. D; Prabhu, T. P (American Astronomical Society, 1996-03)
    A study of star formation is carried out on 35 giant extragalactic H II regions (GEHRs) in seven galaxies using optical photometric data in BVR broad bands and in the emission line of Hα. Interstellar extinction, metallicity ...
  • Embedded star clusters in the W51 giant molecular cloud 
    Nanda Kumar, M. S; Kamath, U. S; Davis, C. J (Royal Astronomical Society, 2004-10)
    We present sub-arcsecond (0.35-0.9 arcsec), near-infrared J-, H- and K-band photometric observations of six fields along the W51 giant molecular cloud (W51 GMC). Our observations reveal four new, embedded clusters and ...
  • Emergence of Twisted Magnetic Flux Related Sigmoidal Brightening 
    Sundararaman, K; Ramesh, K. B; Selvendran, R; Aleem, P. S. M; Hiremath, K. M (Indian Academy of Sciences, 2000-12)
  • Emerging trends of optical interferometry in astronomy 
    Saha, S. K (Astronomical Society of India, 1999)
    The current status of the high spatial resolution imaging interferometry in optical astronomy is reviewed in the light of theoretical explanation, as well as of experimental constraints that exist in the present day ...
  • Emission Altitude from Relativistic Phase Shift Due to Plasma Corotation in Pulsars 
    Gangadhara, R. T (The Royal Swedish Academy of Sciences, 2006)
    The radio emission from a relativistic plasma in a pulsar magnetosphere experiences a relativistic phase shift due to spin and difference in the emission altitude. Using the single pulse data of PSR B0329 + 54 at 325 MHz ...
  • Emission altitudes in radio pulsars with triple profiles 
    Kapoor, R. C; Shukre, C. S (2005)
    We propose here an independent method to understand emission altitudes in radio pulsars showing triple profiles. The centers of core and conal components in triple profiles are often non coincident in longitude. Treating ...
  • Emission band and continuum photometry of Comet West (1975n) - II. Emission profiles of the neutral coma, lifetimes of molecules and distribution of the molecules and dust within the coma 
    Bappu, M. K. V; Parthasarathy, M; Sivaraman, K. R; Babu, G. S. D (Royal Astronomical Society, 1980-09)

Search DSpace

Browse

My Account