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User Specified Search Field
You may search on any column listed below. Where reasonable, the table lists the range of valid values or a set of sample values. A description of the column is also given. Note 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.
From a MAST search form, simply select the column "label" in the forms pulldown menu and type in the qualification in the adjacent box. Note that if you specify constraints on the same column in more than one form element, they will all be included in the query and you may not get results you expect. In a HTTP GET request, specify the column "name" in the service request. (See the MAST Services web page for information on sumbitting GET requests.)
| Column Name | Column Label | Description | Examples/Valid Values | Data Type |
|---|---|---|---|---|
| ktc_k2_id | K2 ID | Non-unique K2 ID identifying corresponding entry in EPIC or the custom aperture file. Note multiple observations can be made with the same Kepler ID. Also used in naming data files. | 201122454 to 210282474 | long |
| sci_data_set_name | Dataset Name | Dataset name associated with exposure in the form ktwo[k2_id]_[timestamp]-Cnn where nn is the Campaign number. | KTWO200000811-C00 | char |
| sci_campaign | Campaign | A sequential number indicating the campaign in which the exposure was made. | 0 to 1 | long |
| objtype | Object type | Type of object based on EPIC values ("star" or "extended" or "null". | star, extended. Many are null. | float |
| sci_data_rel | Data Release | Describes the latest data release for a particular exposure. | 2 to 3 | long |
| sci_ra | RA (J2000) | Right Ascension in decimal degrees as extracted from the ingested FITS file headers | 90.2197 to 181.3963 | double |
| sci_dec | Dec (J2000) | Declination in decimal degrees (from the FITS file headers of ingested files) | -5.9736 to 28.9768 | double |
| ktc_target_type | Target Type | 2-character Target type | Currently all LC (long cadence). | char |
| sci_archive_class | Archive Class | archive class in science table used to distinguish long and short cadence light curves and target pixel files | only KTL. | char |
| refnum | Ref | Current number of known papers referencing this dataset. | currently all null | long |
| sci_start_time | Actual Start Time | Start time from LC_START FITS keyword (?) | 2014-03-12 00:33:13 to 2014-05-30 16:09:26 | char |
| sci_end_time | Actual End Time | End time from LC_END FITS keyword | 2014-05-27 16:33:30 to 2014-08-20 20:04:55 | char |
| ktc_investigation_id | Investigation ID | Investigation ID assigned by the Kepler project describing a particular GO or project observing program. | GO0001, GO0001_GO0032, etc. (Note wild cards are added automatically before and after the user-entered ID(s).) | char |
| pmRA | RA PM | RA proper motion | -647.7000 to 404 | float |
| e_pmRA | RA PM Err | RA proper motion uncertainty | 0.5000 to 50 | float |
| pmDEC | Dec PM | Dec proper motion | -532 to 305 | float |
| e_pmDEC | Dec PM Err | Dec proper motion uncertainty | 0.3800 to 50 | float |
| plx | Plx | Hipparcos parallax(mas) | -2.1800 to 54.7000 | float |
| e_plx | Plx Err | Hipparcos parallax uncertainty (mas) | 0.5800 to 3.8700 | float |
| umag | U Mag | U-band magnitude accurate to 0.04 magnitude | 15.1510 to 25.8450 | float |
| e_umag | U Mag Err | U-band magnitude iuncertainty | 0.0040 to 1.2640 | float |
| bmag | B Mag | B-band magnitude accurate to 0.04 magnitude | 7.8680 to 18.9750 | float |
| e_bmag | B Mag Err | B-band magnitude iuncertainty | 0.0100 to 1.1460 | float |
| vmag | V Mag | V-band magnitude accurate to 0.04 magnitude | 7.2760 to 17.5780 | float |
| e_vmag | V Mag Err | V-band magnitude uncertainty | 0.0100 to 0.5100 | float |
| gmag | G Mag | G-band magnitude | 9.2480 to 23.2310 | float |
| e_gmag | G Mag Err | G-band magnitude uncertainty | 0.0030 to 0.9000 | float |
| rmag | R Mag | R-band magnitude | 8.7070 to 19.9630 | float |
| e_rmag | R Mag Err | R-band magnitude uncertainty | 0.0020 to 0.3500 | float |
| imag | I Mag | I-band magnitude | 7.3940 to 19.6480 | float |
| e_imag | I Mag Err | I-band magnitude uncertainty | 0.0020 to 0.5000 | float |
| zmag | Z Mag | Z-band magnitude accurate to 0.03 magnitude | 12.7580 to 22.8270 | float |
| e_zmag | Z Mag Err | Z-band magnitude uncertainty | 0.0030 to 0.9430 | float |
| jmag | J Mag | 2MASS J-band magnitude. | 5.6400 to 16.7620 | float |
| e_jmag | J Mag Err | 2MASS J-band magnitude uncertainty. | 0.0170 to 0.2060 | float |
| hmag | H Mag | 2MASS H-band magnitude. | 5.4280 to 16.1400 | float |
| e_hmag | H Mag Err | 2MASS H-band magnitude uncertainty. | 0.0170 to 0.2160 | float |
| kmag | K Mag | 2MASS K-band magnitude. | 4.9180 to 15.3060 | float |
| e_kmag | K Mag Err | 2MASS K-band magnitude uncertainty. | 0.0150 to 0.2070 | float |
| kp | KEP Mag | Kepler magnitude. See the EPIC manual to see how it is calculated. | 7.1710 to 21.1000 | float |
| kepflag | Kep Flag | Kepler magnitude flag describes how Kewpler magnitude is defined. See the EPIC manual for more information. | gri is only value currently | char |
| stpropflag | stpropflag | Stellar Properties Flag | null for now | char |
| hip | Hip ID | Hipparcos catalog ID, | 54541 to 58433 | long |
| tyc | Tyc ID | Tycho-2 catalog ID | example: 1877-1406-1 | char |
| sdss | SDSS ID | SDSS DR9 identifier | currently all null | char |
| ucac | UCAC ID | UCAC-4 catalog ID | example: 567-025402 | char |
| twoMass | 2MASS ID | 2MASS catalog ID, a sexagesimal, equatorial position-based source name in the form: hhmmssss+ddmmsss[ABC...] | example: 06162816+2318506 | char |
| mflg | 2MASS Flag | string containing 2MASS flags. | example: AAA-222-111-000-0-0 | char |
| sci_generation_date | Processing Date | Date file was ingested into archive | 2014-11-05 15:20:31 to 2014-12-20 07:18:39 | char |
| sci_crowdsap | crowding | The ratio of target flux to total flux in optimal aperture. This value is not to be confused with the Crowding values given on the Target Search page which give predictive values. | currently all null | float |
| sci_contamination | contamination | 1.0 - the crowding value | currently all null | float |
| sci_flfrcsap | flux fraction | The fraction of target flux obtained in the optimal aperture averaged for the specified data. The flux fraction in any given cadence will differ from this mean value. This value is not to be confused with the Flux Fraction value given on the Target Search page which gives a predictive values. | currently all null | float |
| sci_Cdpp3_0 | cdpp3 | The RMS Combined Differential Photometric Precision (CDPP) time series calculated by the Kepler pipeline for a transit duration of length 3-hrs over a single quarter, in units of parts per million. | currently all null | float |
| sci_Cdpp6_0 | cdpp6 | RMS Combined Differential Photometric Precision (CDPP) on 6.0-hour time scales in units of parts per million. | currently all null | float |
| sci_Cdpp12_0 | cdpp12 | RMS Combined Differential Photometric Precision (CDPP) on 12-hour time scales in units of parts per million. | currently all null | float |
| sci_module | Module | Module number. | 2 to 24 | long |
| sci_output | Output | Ouput number. | 1 to 4 | long |
| sci_channel | Channel | Channel number. | 1 to 84 | long |
| prox | Nearest Neighbor | Distance to nearest 2MASS neighbor (arcsec) | 14 to 18.1000 | float |
| nomad | Nomad ID | string containing NOMAD-1 identifiers (for sources with supplemented NOMAD1 proper motions) | currently all null | char |
| k2_hlsp | High-Level Science Products | Number of High Level Science Products (HLSP) available from MAST | 1 | long |
| type | VARCAT Type | string classifying light curve as an Eclipsing Binary (EB), Periodic (P), Quasi-Periodic (QP) or Aperiodic (AP). | char | |
| range | VARCAT Range | The lightcurves were binned into 10-point bins and the median of each bin found. The range given is the maximum bin less the minimum, in flux units relative to the overall data median. | 0.0400 to 4929.5900 | float |
| period | VARCAT Period | The most significant peak from a Lomb-Scargle peri-odogram, for objects classified as P or QP. For eclipsing binaries the peak was found using Phase-Dispersion Minimisation (see paper). | 0 to 59.9249 | float |
| amplitude | VARCAT Amplitude | The semi-amplitude of the lightcurve at the stated period, for objects classified P or QP. | 0 to 238.5100 | float |
| proposal_info | VARCAT Proposal Information | K2 GO proposals relating to the object (although most entries are null). | char | |
| Column Name | Column Label | Description | Examples/Valid Values | Data Type |
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