Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.335...91g&link_type=abstract
Astrophysics and Space Science, Volume 335, Issue 1, pp.91-96
Astronomy and Astrophysics
Astrophysics
Stars: Atmospheres, Stars: Early-Type, Stars: Winds, Outflows, Galaxies: Local Group, Ultraviolet: Stars, Ultraviolet: Spectroscopy
Scientific paper
The spectrographs on-board the World Space Observatory (WSO) will provide access to the 1020-1800 Å wavelength range with unprecedented sensitivity. Previous observatories operating in the 1150-2000 Å range (such as IUE and HST-STIS) have proved extremely useful to study the winds of OB type stars, which leave their most prominent imprints in the far ultraviolet range. The addition of the λ < 1200 Å wavelengths is critical as it contains important diagnostic lines for mass loss and shocks in the wind, as found by FUSE-based analyses. WSO will enable quantitative spectroscopic analyses of blue massive stars in the Local Group beyond the Magellanic Clouds. The results will lead to the characterization of their winds as a function of metallicity, and shed new light on current urging questions regarding radiation driven winds.
Garcia Miriam
Herrero Artemio
Najarro Francisco
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