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Query Form

Attribute nameAttribute typeDocstringUnitVO-UCD
CD1_1floatValue at (1,1) of pixel coordinate translation matrix pos.wcs.cdmatrix
CD1_2floatValue at (1,2) of pixel coordinate translation matrix pos.wcs.cdmatrix
CD2_1floatValue at (2,1) of pixel coordinate translation matrix pos.wcs.cdmatrix
CD2_2floatValue at (2,2) of pixel coordinate translation matrix pos.wcs.cdmatrix
CRPIX1floatReference pixel in Xpixel pos.wcs.crpix
CRPIX2floatReference pixel in Ypixel pos.wcs.crpix
CRVAL1floatPhysical value of the reference pixel Xdeg pos.wcs.crval
CRVAL2floatPhysical value of the reference pixel Ydeg pos.wcs.crval
CTYPE1strPixel coordinate system and projection of first axis (X) pos.wcs.ctype
CTYPE2strPixel coordinate system and projection of second axis (Y) pos.wcs.ctype
object_idoidtypeThe object identifier

The object identifier is an attribute shared by all persistent
instances. It is the prime key, by which object identity is established

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