The Multi-Phase Absorption Systems Toward PG1206+459

Details The Multi-Phase Absorption Systems Toward PG1206+459 The Multi-Phase Absorption Systems Toward PG1206+459

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003assl..281..173d&link_type=abstract

The IGM/Galaxy Connection: The Distribution of Baryons at z=0, ASSL Conference Proceedings Vol. 281. Edited by Jessica L. Rosenb

Computer Science

Scientific paper

We present the high-resolution ultraviolet HST/STIS (R = 30,000) spectrum of the three MgII-selected absorption systems at z = 0.9254, 0.9276, and 0.9343 along the line of sight toward quasar PG1206+459. The association between host galaxies and the three MgII absorption systems is discussed. In system A, complex structures are resolved in the NV profiles, which indicates that this system is unlikely to represent a traditional disk/corona. In system B, the NV profiles are smooth and broad, without apparent structure. This suggests that system B could be associated with a coronal structure that is similar to the Milky Way.

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