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Table: desi_edr.tile
(The bold columns are indexed columns)
Column Name | Description | Datatype |
---|---|---|
bgs_efftime_bright | Effective exposure time for nominal bright conditions inferred for BGS targets | REAL |
efftime_etc | Effective exposure time for nominal conditions inferred from ETC data | REAL |
efftime_gfa | Effective exposure time for nominal conditions derived from exposure GFA data | REAL |
efftime_spec | Effective exposure time for nominal conditions derived from the TSNR2 fits to the spectroscopy | REAL |
elg_efftime_dark | Effective exposure time for nominal dark conditions inferred for ELG targets | REAL |
exptime | Length of time shutter was open | REAL |
faflavor | Fiberassign flavor name | VARCHAR |
faprgrm | Fiberassign program name | VARCHAR |
goaltime | Goal for total effective exposure time for the tile | SMALLINT |
goaltype | The intended observing conditions for the tile | VARCHAR |
lastnight | Most recent night with a good exposure | INTEGER |
lrg_efftime_dark | Effective exposure time for nominal dark conditions inferred for LRG targets | REAL |
lya_efftime_dark | Effective exposure time for nominal dark conditions inferred for LYA targets | REAL |
mintfrac | Minimum fraction of GOALTIME acceptable for considering a tile complete | REAL |
nexp | Number of exposures used in EFFTIME estimates | SMALLINT |
obsstatus | Observing conditions bitmask | VARCHAR |
program | DESI program type - BRIGHT, DARK, or BACKUP | VARCHAR |
random_id | Random ID in the range 0.0 => 100.0 (not unique) | REAL |
survey | Survey name | VARCHAR |
tiledec | DEC of tile given in fiberassign file | REAL |
tileid | Unique DESI tile ID | INTEGER |
tilera | RA of tile given in fiberassign file | REAL |