| Description: SIAP service for HST preview images. Supported instruments: WFPC2 ACS NICMOS FOC. |
| Completely compliant |
| Service URL |
| Input Parameter | Required | Present |
|---|---|---|
| Regular parameters: | ||
| POS | MUST | Yes |
| SIZE | MUST | Yes |
| INTERSECT | MAY | No |
| NAXIS | MAY | No |
| CFRAME | MAY | No |
| EQUINOX | MAY | No |
| CRPIX | MAY | No |
| CRVAL | MAY | No |
| CDELT | MAY | No |
| ROTANG | MAY | No |
| PROJ | MAY | No |
| FORMAT | MUST | Yes |
| Service specific parameters | ||
| min_wave | MAY | Yes |
| min_operator | MAY | Yes |
| min_unit | MAY | Yes |
| max_wave | MAY | Yes |
| max_operator | MAY | Yes |
| max_unit | MAY | Yes |
| fwhm | MAY | Yes |
| fwhm_operator | MAY | Yes |
| fwhm_unit | MAY | Yes |
| Field UCD | Required | Present | Required datatype |
Actual datatype |
|---|---|---|---|---|
| Regular fields: | ||||
| VOX:Image_Title | MUST | Yes | char | char |
| INST_ID | SHOULD | Yes | char | char |
| VOX:Image_MJDateObs | SHOULD | Yes | double | double |
| POS_EQ_RA_MAIN | MUST | Yes | double | double |
| POS_EQ_DEC_MAIN | MUST | Yes | double | double |
| VOX:Image_Naxes | MUST | Yes | int | int |
| VOX:Image_Naxis | MUST | Yes | int | int |
| VOX:Image_Scale | MUST | Yes | double | double |
| VOX:Image_Format | MUST | Yes | char | char |
| VOX:STC_CoordRefFrame | SHOULD | No | char | |
| VOX:STC_CoordEquinox | MAY | No | double | |
| VOX:WCS_CoordProjection | SHOULD | Yes | char | char |
| VOX:WCS_CoordRefPixel | SHOULD | Yes | double | double |
| VOX:WCS_CoordRefValue | SHOULD | Yes | double | double |
| VOX:WCS_CDMatrix | SHOULD | Yes | double | double |
| VOX:BandPass_ID | SHOULD | Yes | char | char |
| VOX:BandPass_Unit | SHOULD | Yes | char | char |
| VOX:BandPass_RefValue | SHOULD | Yes | double | double |
| VOX:BandPass_HiLimit | SHOULD | Yes | double | double |
| VOX:BandPass_LoLimit | SHOULD | Yes | double | double |
| VOX:Image_PixFlags | SHOULD | Yes | char | char |
| VOX:Image_AccessReference | MUST | Yes | char | char |
| Service specific fields: | ||||
| time.expo | MAY | YES | double | |
| phys.angSize;instr.fov | MAY | YES | double | |
| instr.resolution | MAY | YES | double | |
| pos.posAng;obs.image | MAY | YES | double | |
| pos.posAng | MAY | YES | double | |
| meta.ref;instr.fov | MAY | YES | char | |