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Extreme galactic wind and star formation at low and high redshift

  • S. Lípari (a1) (a2), Y. Taniguchi (a2) (a3), E. Mediavilla (a2) (a4), H. Dottori (a5), R. Terlevich (a6), M. Ajiki (a2) (a3), Y. Shioya (a3), R. J. Diaz (a1) (a2), B. Garcia-Lorenzo (a2) (a4), J. Acosta-Pulido (a4) and W. Zheng (a2) (a7)...

Abstract

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

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Extreme galactic wind and star formation at low and high redshift

  • S. Lípari (a1) (a2), Y. Taniguchi (a2) (a3), E. Mediavilla (a2) (a4), H. Dottori (a5), R. Terlevich (a6), M. Ajiki (a2) (a3), Y. Shioya (a3), R. J. Diaz (a1) (a2), B. Garcia-Lorenzo (a2) (a4), J. Acosta-Pulido (a4) and W. Zheng (a2) (a7)...

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