HST /COS SPECTRA OF THREE QSOs THAT PROBE THE CIRCUMGALACTIC MEDIUM OF A SINGLE SPIRAL GALAXY: EVIDENCE FOR GAS RECYCLING AND OUTFLOW

(ProQuest: ... denotes formulae and/or non-USASCII text omitted)We have used the Cosmic Origins Spectrograph (COS) to obtain far-UV spectra of three closely spaced QSO sight lines that probe the circumgalactic medium (CGM) of an edge-on spiral galaxy, ESO 157-49, at impact parameters of 74 and ... k...

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Veröffentlicht in:	The Astrophysical journal 2013-03, Vol.765 (1), p.1-17
Hauptverfasser:	Keeney, Brian A, Stocke, John T, Rosenberg, Jessica L, Danforth, Charles W, Ryan-Weber, Emma V, Shull, J Michael, Savage, Blair D, Green, James C
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION SPECTRA ABSORPTION SPECTROSCOPY ASTRONOMY ASTROPHYSICS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY CARBON IONS Clouds COSMIC GASES GALAXIES IMPACT PARAMETER Ionization LYMAN LINES Mathematical models Metallicity METALS PHOTOIONIZATION QUASARS RED SHIFT Silicon SILICON IONS Spectral lines Spiral galaxies ULTRAVIOLET SPECTRA
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