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Astron. Astrophys. Suppl. Ser. 132, 21-27

Photographic surface photometry of the Southern
Milky Way

IX. High-resolution surface photometries at 217nm and 280nm

L. Schmidtobreick - W. Schlosser - P. Koczet - S. Wiemann - M. Jütte

Send offprint request: L. Schmidtobreick

Astronomisches Institut der Ruhr-Universität Bochum, D-44780 Bochum, Germany

Received January 15, 1997; accepted March 9, 1998


We present the first surface photometries of the Southern Milky Way ($100^\circ \le l \ge 270^\circ$; $-40^\circ \le b \le 40^\circ$)at 217nm and 280nm. The resolution is $0\hbox{$.\!\!^\circ$}25\times 0\hbox{$.\!\!^\circ$}25$.They are based on photographs obtained with the shuttle-borne GAUSS-Camera as part of the German Spacelab Mission D-2. These photometries are the extensions of the earth-bound U,B,V,R photometries (Kimeswenger et al. 1993 = Paper VII; Hoffmann et al. 1997 = Paper VIII) to the ultraviolet. The data processing was modified to adapt it to the new data. Both photometries are strongly affected by interstellar extinction especially of local dark clouds. Hence, they provide a comprehensive overview of scattering caused light emission in our Galaxy.

Key words: Galaxy (the): structure -- Galaxy (the): open clusters and associations -- techniques: photometry -- interstellar medium: dust -- interstellar medium: reflection nebulae -- ultraviolet: general

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