Browsing by Subject "Galaxies:ISM"

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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 ...
H(alpha) Imaging of the Hickson Compact Group 62

Valluri, M; Anupama, G. C (American Astronomical Society, 1996-10)

We report results of a search for optical emission line gas in the Hickson compact group 62. From narrow band (Hα) imaging observations we estimate 10^4^ M_sun_ of ionized hydrogen gas within the central regions of three ...
On the injection spectrum of relativistic electrons in high-redshift radio galaxies

Gopal-Krishna; Mhaskey, Mukul; Mangalam, A (IOP Publishing, 2012-01-01)

We point out that the remarkable linearity of the ultra-steep radio spectra of high redshift radio galaxies re ects a previously reported general trend for powerful radio galaxies, according to which the spectral curvature ...

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