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This document describes the details of metadata provided in KASI Science Data Archive https://data.kasi.re.kr).
| Key | Type | Description |
|---|
| 1 | DATAID | String | KMTNet observation ID |
| 2 | OBJECT | String | Name of target |
| 3 | RA | Double | Right ascension of the image center |
| 4 | DEC | Double | Declination of the image center |
| 5 | FILTER | String | Filter name |
| 6 | EXPTIME | Integer | Exposure time (seconds) |
| 7 | DATE-OBS | String | UTC Date and Time at start of observation |
| 8 | PROJID | String | KMTNet proposal ID |
| 9 | IMAGETYP | String | Type of observation |
| 10 | ICSBUILD | String | ICS software build |
| 11 | DATAURL | String | Data download URL |
| 12 | SECZ | Double | Secant of ZD (Airmass) at start of obs |
| 13 | ST | String | Local Sidereal Time at start of obs |
| 14 | STOPEN | String | Master IC reports shutter open time |
| 15 | MIDJD | String | Julian day at the middle of observation |
| 16 | OBSERVAT | String | Observatory site |
| Key | Type | Description |
|---|
| 1 | OBS-ID | String | MIRIS observation ID |
| 2 | OBJECT | String | Target of observation |
| 3 | RA-CNT | Double | Right ascension of the image center in the FK5 coordinate system (UNIT: deg) |
| 4 | DEC-CNT | Double | Declination of the image center in the FK5 coordinate system (UNIT: deg) |
| 5 | OBS-FILT | String | Filter used for the observation |
| 6 | EXPTIME | Integer | Effective exposure time (UNIT: sec) |
| 7 | DATE-OBS | String | date and time at the start of observation |
| 8 | PROPOSAL | String | MIRIS observation proposal ID |
| 9 | DATATYPE | String | Type of data |
| 10 | PIPEVER | String | Version of data reduction software |
| 11 | DATAURL | String | Data download URL |
| 12 | MIDJD | Double | Julian day at the middle of observation |
| 13 | OBSERVER | String | MIRIS observation proposer |
| 14 | PA-IM | Double | Position angle of image column (UNIT: deg) |
| 15 | IMWIDTH | Double | Length of the row crossing the image center (UNIT: deg) |
| 16 | IMHEIGHT | Double | Length of the column crossing the image center (UNIT: deg) |
| 17 | PIXSCALE | Double | Angular scale of a pixel (UNIT: deg) |
| 18 | NOTE | String | Note on the observation or the data |
For the details of MIRIS, especially the bandpass functions, please refer to the <a href="http://miris.kasi.re.kr/miris/">Homepage</a> and the paper, <a href="https://doi.org/10.1086/678130">Han et al. (2014)</a>.
| Key | Type | Description |
|---|
| 1 | arch_code | String | Data ID |
| 2 | source_name | String | Target of observation |
| 3 | ra_hms | String | Right ascension (hr min sec) |
| 4 | dec_dms | String | Declination (deg min sec) |
| 5 | ra_deg | Double | RA (deg) |
| 6 | dec_deg | Double | Declination (deg) |
| 7 | exp_code | String | Experiment code |
| 8 | title | String | Title of observation |
| 9 | band | String | Frequency band |
| 10 | polarization | String | Types of polarization |
| 11 | data_rate | String | Data rate |
| 12 | start_date_ut | String | UTC Date and Time at start of observation |
| 13 | end_date_ut | String | UTC Date and Time at end of observation |
| 14 | file_vex | String | Observation schedule file |
| 15 | sites | String | List of observation sites |
| 16 | img_url | String | URL of view image |
| 17 | data_url | String | URL of data download |
| 18 | view_url | String | URL of detail information |
| 19 | data_type | String | VLBI or SD(single dish) |
| 20 | comment | String | Comment |
주) "location":{ "type":"Point", "coordinates":[ ra_deg - 180 , dec_deg ] }값은
메타테이터 설명에는 없지만 데이터 생성시에는 포함됨.