IIA Institutional Repository

Browsing IIAP Publications by Subject "ASTRONOMICAL SPECTROSCOPY"

Browsing IIAP Publications by Subject "ASTRONOMICAL SPECTROSCOPY"

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  • The chemical composition of the high velocity POST AGB star HD 56126(F5I) 
    Parthasarathy, M; Lario, P. G; Pottasch, S. R (EDP Sciences, 1992-10)
    From an analysis of high-resolution spectra of the IRAS source HD 56126 (F5I), it is found that its photospheric abundances of C, O, S are nearly solar and N is overabundant by about -0.2 dex. The abundance of Fe and related ...
  • X-ray observations of the Seyfert 1 galaxy MCG 2-58-22 
    Ghosh, K. K; Soundararajaperumal, S (University of Chicago Press, 1992-10)
    Results of the detailed X-ray (0.1-10 keV) spectral analysis of the Seyfert 1 galaxy, MGC 2-58-22, are presented based on the Exosat observations on 1984 November 16-26. X-ray spectra of this source were obtained from the ...
  • X-ray spectra of Seyfert galaxies 
    Ghosh, K. K; Soundararajaperumal, S (Blackwell Publishing, 1992-11)
    A spectra analysis of eight Seyfert galaxies shows that while seven have soft excesses in their spectra, with no low-energy absorption, ESO 140-G43 exhibits low energy absorption, and may have weak soft excess that is ...

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