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MAST API
Tools for programmatically querying the MAST Portal.
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| Column Name | Column Label | Description | Examples/Valid Values | Data Type | Units |
|---|---|---|---|---|---|
| calib_level | Calibration Level | Calibration level | 0 = raw, 1 = uncalibrated, 2 = calibrated, 3 = science product, 4 = contributed science product | integer | |
| dataRights | Data Rights | Data Rights | valid values: public,exclusive_access,restricted | string | |
| dataURL | Data URL | Data URL | string | ||
| dataproduct_type | Product Type | Type of product | Valid values: IMAGE, SPECTRUM, SED, TIMESERIES, VISIBILITY, EVENTLIST, CUBE, CATALOG, ENGINEERING, NULL | string | |
| distance | Distance (") | Angular separation between searched coordinates and center of obsevation | float | arcsec | |
| em_max | Max. Wavelength | Maximum Wavelength | float | nm | |
| em_min | Min. Wavelength | Minimum Wavelength | float | nm | |
| filters | Filters | Instrument filters | F469N, NUV, FUV, LOW DISP, MIRROR | string, multi-value separator ';' | |
| instrument_name | Instrument | Instrument Name | E.g. WFPC2/WFC, UVOT, STIS/CCD | string | |
| intentType | Observation Type | Whether observation is for science or calibration. | Valid values: science, calibration | string | |
| jpegURL | jpegURL | Preview Image URL | https://archive.stsci.edu/hst/previews/N4QF/N4QF18090.jpg | string | |
| mtFlag | Moving Target | Moving Target Flag | If True, observation contains a moving target, if False or absent observation may or may not contain a moving target | boolean | |
| objID | Object ID | Plane ID of observation at given calibration level | Long integer, e.g. 2012969445 | integer | |
| obs_collection | Mission | Collection | E.g. SWIFT, PS1, HST, IUE | string, multi-value separator ';' | |
| obs_id | Observation ID | Observation identifier, given by mission | U24Z0101T, N4QF18030 | string | |
| obs_title | Observation Title | Observation description from proposal | Age-dating Star Clusters in M101 | string | |
| obsid | Product Group ID | Database identifier for obs_id | Long integer, e.g. 2007590987 | integer | |
| project | Project | Processing project | E.g. HST, HLA, EUVE, hlsp_legus | string, multi-value separator ';' | |
| proposal_id | Proposal ID | Proposal ID | E.g. EGCJC, 11360, 9401 | string | |
| proposal_pi | Principal Investigator | Principal investigator's last name | Chander, Chu, Malkin | string | |
| proposal_type | Proposal Type | Type of telescope proposal | Eg. 3PI, GO, GO/DD, HLA, GII, AIS | string | |
| provenance_name | Provenance Name | Provenance name, or source of data | E.g. TASOC, CALSTIS, PS1 | string | |
| s_dec | Dec | Observation Declination | May be displayed in the Portal as hh:mm:ss.sss, but should be searched as decimal | float | deg |
| s_ra | RA | Observation Right Ascension | May be displayed in the Portal as hh:mm:ss.sss, but should be searched as decimal | float | deg |
| s_region | s_region | STC/S Footprint | Will be ICRS circle or polygon. E.g. CIRCLE ICRS 17.71740689 -58.40043015 0.625 | string | ICRS Shape |
| sequence_number | Sequence Number | Sequence number, e.g. Kepler quarter or TESS sector | integer | ||
| srcDen | Number of Catalog Objects | Number of cataloged objects found in observation | float | ||
| t_exptime | Exposure Length | Exposure time | float | sec | |
| t_max | End Time | Observation end datetime | May be displayed in the Portal as YYY-MM-DD HH:MM, but should be searched as MJD | float | MJD |
| t_min | Start Time | Observation start datetime | May be displayed in the Portal as YYY-MM-DD HH:MM, but should be searched as MJD | float | MJD |
| t_obs_release | Release Date | Dataset release date | May be displayed in the Portal as YYY-MM-DD HH:MM, but should be searched as MJD | float | MJD |
| target_classification | Target Classification | Type of target | Ex. COMET;COMET BEING ORBITED BY THE ROSETTA SPACECRAFT;SOLAR SYSTEM | string, multi-value separator ';' | |
| target_name | Target Name | Target Name | Ex. COMET-67P-CHURYUMOV-GER-UPDATE | string | |
| wavelength_region | Waveband | Energy Band | EUV, XRAY, OPTICAL | string, multi-value separator ';' |
1.8.9.1
