2nd Digitized Sky Survey (Red)
Short name[s] used to specify survey:
DSS2R, DSS2 Red
This survey comprises the POSS2 Red data from the north and
rescanned 1" scans of UKSTU red data in the south.
The native projection of these data is described as a high-order polynomial
distortion of a gnomonic projection using the same terms as the DSS.
|Provenance|| Data taken by ROE, AAO, and CalTech, Compression
and distribution by Space Telescope Science Institute.
There are multiple copyright holders depending
upon the source plate or plates.
See full copyright
notices The coverage link below describes the
coverage for each element of the surveys when the original plate used is
not included in the SkyView files.|
|Frequency|| 445 THz
|Bandpass|| 422-564 THz
|Coverage|| All-sky, but some data not yet be processed.
|PixelUnits|| Pixel values are given as scaled densities
|Resolution|| Depends on plate. Typically 3".
Some information on the DSS2 is given in
McLean, 2000, The Second Generation Guide Star Catalog.
Characteristics of the DSS surveys are summarized in