define projection for Raster data

Hi all,
 

I have a very simple problem, I just want to define a projection for raster
data. However I have no experience with spatial analysis with R, so maybe
someone could give me a hint:
 
My data are radiation raster data for Austria, in .asc-format .
I have the following information:
 
Map projection: geographic (latitude/longitude), ellipsoid WGS84
North: 49N
South: 46:30N
West:  9:30E
East:   17:30E
Resolution 1'30''
 
...giving a total of 100 rows and 320 columns.

Is this information enough to get the right projection and if yes, how do I
define it in R?
 
Thank you so much and kind regards
Dieter Mayr from Vienna

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