You may submit queries using any of the fields listed below. The "Column Label" is the name displayed on the search forms and in search results. The "Column Name" is the actual column name in the table and needs to be specified in GET requests. See the HSC API web page for information on submitting GET requests.
Last update: June 13, 2019
| Column Name | Column Label | Description | Examples/Valid Values | Data Type | Units |
|---|---|---|---|---|---|
| CatID | CatID | Unique identifier for each catalog entry | Range: 1 to 101789844 | integer | none |
| MatchID | MatchID | identifier for the match | Range: 1 to 29198484 | integer | none |
| MemID | MemID | Unique identifier for each source of a match | Range: 1 to 329 | integer | none |
| SourceID | SourceID | Source identifier from white light (detection) image | Range 2102514166 to 6515445493 | integer | none |
| Det | Det | Is source detected in this observation ? | Y or N | string | none |
| MatchRA | MatchRA(J2000) | Right Ascension for the match | Range 0.2120 to 359.8895 | ra | deg |
| MatchDec | MatchDec(J2000) | Declination for the match | Range: -87.4125 to 89.3596 | dec | deg |
| SourceRA | SourceRA(J2000) | Right Ascension for this source detection | Range 0.2120 to 359.8895 | ra | deg |
| SourceDec | SourceDec(J2000) | Declination for this source detection | Range: -87.4125 to 89.3596 | dec | deg |
| D | D | Distance from source position to the match position in milliarcseconds (mas) | Range: 0 to 633.0053 | float | mas |
| Dsigma | Dsigma | Std dev of the distance (D) between source and match positions in miliarcseconds (mas) | Range: 0 to 397.3183 | float | mas |
| AbsCorr | AbsCorr | Was absolute astrometry correction made ? | N to Y | boolean | |
| Ximage | Ximage | X position of source in image coordinates | Range: 1.5680 to 8296.7314 | float | pixels |
| Yimage | Yimage | Y position of source in image coordinates | Range: 1.9720 to 8506.4209 | float | pixels |
| ImageName | ImageName | HLA image Name | string | none | |
| Instrument | Instrument | Name of instrument | Examples: ACS | string | none |
| Mode | Mode | Observing mode | Example: ACCUM | string | none |
| Detector | Detector | Detector | Example: ACS/WFC | string | none |
| Aperture | Aperture | Aperture | Example: WFC1 | string | none |
| ExposureTime | ExpTime | Exposure time | Range: 0.1100 to 26400 | float | sec |
| StartTime | StartTime | Observation start time | Range 1989-11-30 11:00:16 to 2014-06-11 20:40:50 | datetime | days |
| StartMJD | StartMJD | Observation start time in MJD | 47860.4585 to 56819.8617 | double | days |
| StopTime | StopTime | Observation stop time | Range: 1993-12-29 22:08:37 to 2014-06-12 01:49:03 | datetime | days |
| StopMJD | StopMJD | Observation stop time in MJD | 49350.9227 to 56820.0757 | double | days |
| Wavelength | Wavelength | Pivot wavelength in Angstroms | Range: 1322 to 16641.6000 | float | Angstrom |
| Filter | Filter | Filter | Examples: F625W | string | none |
| TargetName | Target Name | Target Name for this observation | Examples: NGC6341 | string | none |
| FluxAper2 | FluxAper2 | Count rate with an aperture radius 0.3 arcsec (WFPC2), 0.15 arcsec (ACS, WFC3/UVIS) and 0.45 arcsec (WFC3/IR) | Range: 0.0000 to 8451500 | float | counts/s |
| MagAper2 | MagAper2 | Magnitude with an aperture radius 0.3 arcsec (WFPC2), 0.15 arcsec (ACS, WFC3/UVIS) and 0.45 arcsec (WFC3/IR) | Range: 3.1120 to 1002.7530 | float | ABMAG |
| MagAuto | MagAuto | Estimated total magnitude using Source Extractor algorithm | Range: 2.2648 to 103.2580 | float | ABMAG |
| PropID | PropID | HST proposal number | 1070 to 13623 | integer | none |
| CI | CI | Normalized (by detector and filter) value of Concentration Index, defined as difference between magnitude in small and large apertures | 0.4000 to 93.5510 | float | ABMAG |
| KronRadius | KronRadius | Mean value of the Kron Radius from Source Extractor | 0 to 171.9027 | float | pixels |
| Flags | Flags | Bit encoded flag: bit 0 (value 0) = point source, (value 1) = extended, bits 1 or 2 (values 2 or 4) = saturated | 0 to 4 | integer | none |
| Column Name | Column Label | Description | Examples/Valid Values | Data Type | Units |