TY - JOUR
T1 - Emission-line spectroscopy of Damped Lyαa systems
T2 - the case of ses 1543+593/HS 1543+5921
AU - Schulte-Ladbeck, Regina E.
AU - König, Brigitte
AU - Miller, Christopher J.
AU - Hopkins, Andrew M.
AU - Drozdovsky, Igor O.
AU - Turnshek, David A.
AU - Hopp, Ulrich
PY - 2005/6/1
Y1 - 2005/6/1
N2 - We report HST/STIS spectroscopy and Gemini/GMOS-N imaging of the Damped Lyα (DLA) system toward HS 1543+5921 caused by the host star-forming galaxy (SFG) SBS 1543+593. The Gemini image shows new morphological details of this well-resolved DLA galaxy. In combination with previous optical spectra, the new UV spectra enable us to compare, for the first time, ionized and neutral gas-phase α-element abundances derived from emission- and absorption-line spectroscopy, in a bona fide DLA galaxy. The abundances we determine using emission-line diagnostics agree with those from absorption-line diagnostics. We present our results on a metallicity versus redshift diagram that combines local H II regions and SFGs with high-redshift DLAs, and discuss implications for the chemical evolution of galaxies.
AB - We report HST/STIS spectroscopy and Gemini/GMOS-N imaging of the Damped Lyα (DLA) system toward HS 1543+5921 caused by the host star-forming galaxy (SFG) SBS 1543+593. The Gemini image shows new morphological details of this well-resolved DLA galaxy. In combination with previous optical spectra, the new UV spectra enable us to compare, for the first time, ionized and neutral gas-phase α-element abundances derived from emission- and absorption-line spectroscopy, in a bona fide DLA galaxy. The abundances we determine using emission-line diagnostics agree with those from absorption-line diagnostics. We present our results on a metallicity versus redshift diagram that combines local H II regions and SFGs with high-redshift DLAs, and discuss implications for the chemical evolution of galaxies.
KW - Galaxies: abundances
KW - Quasars: absorption lines
UR - http://www.scopus.com/inward/record.url?scp=22544469451&partnerID=8YFLogxK
U2 - 10.1086/431324
DO - 10.1086/431324
M3 - Review article
AN - SCOPUS:22544469451
SN - 0004-637X
VL - 625
SP - L79-L82
JO - Astrophysical Journal
JF - Astrophysical Journal
IS - 2
ER -