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Browsing by Author "Omont, A"

Browsing by Author "Omont, A"

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  • 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 ...
  • 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 ...
  • Obscured and powerful AGN and starburst activities at z ~ 3.5 
    Polletta, M; Omont, A; Berta, S; Bergeron, J; Stalin, C. S; Petitjean, P; Giorgetti, M; Trinchieri, G; Srianand, R; McCracken, H. J; Pei, Y; Dannerbauer, H (EDP Sciences, 2008-12)
    Aims. Short phases of coeval powerful starburst and AGN activity during the lifetimes of the most massive galaxies are predicted by various models of galaxy formation and evolution. In spite of their recurrence and high ...
  • Optical / IR Follow-up of ISOGAL survey 
    Ojha, D. K; Omont, A; Simon, G. (Astronomical Society of India, 1998)
  • 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 ...

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