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Extreme galactic wind and star formation at low and high redshift

Published online by Cambridge University Press:  01 December 2004

S. Lípari ,
Y. Taniguchi ,
E. Mediavilla ,
H. Dottori ,
R. Terlevich ,
M. Ajiki ,
Y. Shioya ,
R. J. Diaz ,
B. Garcia-Lorenzo  and
J. Acosta-Pulido
...Show all authors
S. Lípari
Affiliation:
Cordoba Observatory and CONICET, Laprida 854, 5000 Cordoba, Argentina Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories
Y. Taniguchi
Affiliation:
Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories Astronomical Institute, Tohoku University, Aoba, Sendai 980-8578, Japan
E. Mediavilla
Affiliation:
Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories Instituto de Astrofisica de Canarias, 38205 La Laguna, Tenerife, Spain
H. Dottori
Affiliation:
Instituto de Fisica, Univ. F. R. Grande do Sul, CP 15051, P. Alegre, Brazil
R. Terlevich
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, United Kingdom
M. Ajiki
Affiliation:
Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories Astronomical Institute, Tohoku University, Aoba, Sendai 980-8578, Japan
Y. Shioya
Affiliation:
Astronomical Institute, Tohoku University, Aoba, Sendai 980-8578, Japan
R. J. Diaz
Affiliation:
Cordoba Observatory and CONICET, Laprida 854, 5000 Cordoba, Argentina Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories
B. Garcia-Lorenzo
Affiliation:
Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories Instituto de Astrofisica de Canarias, 38205 La Laguna, Tenerife, Spain
J. Acosta-Pulido
Affiliation:
Instituto de Astrofisica de Canarias, 38205 La Laguna, Tenerife, Spain
W. Zheng
Affiliation:
Visiting astronomer at GEMINI, SUBARU, KECK II, ESO, LA PALMA, BALEGRE, CASLEO Observatories Department of Physics & Astronomy, Univ. of Johns Hopkins, Baltimore, USA
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Abstract

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From a long-term study of IR mergers/QSOs (at low redshift), we report detailed spectroscopic evidences for outflow (OF)and starburst features. We found extreme velocity OF (EVOF) in IRAS 01003-2238, 11119+3257, 13218+0552, 14394+5332, 15130-1958 and 15462-0450. The EVOF were detected mainly in objects with strong starburst plus obscured IR QSOs. Meanwhile, the low velocity OF components were detected in objects with starburst and LINER processes. HST images of IR+BAL+Fe II QSOs show in practically all of these objects “arc or shell” features probably associated to galactic-winds. In addition, results from a study of two-dimensional (2D) fibre spectroscopy of IR mergers/QSOs with galactic winds are presented. Comparing our data base for IR mergers/QSOs with two sample of nearby mergers we found in both samples a high proportion (75 per cent) of IR mergers with galactic winds.

From a very deep imaging and spectroscopic survey of Lyα emitters (LAEs) at z=5.7 we present the results of a study of sample of 20 LAEs candidates. Two of these objects have been already confirmed as LAE at z = 5.7. We detected in one of these LAE (at z=5.687), spectral features probably associated with the more distant galactic wind observed to date.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
POSTERS
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 529 - 530
Copyright
© 2004 International Astronomical Union