{
    "aliases": {}, 
    "cgroups": [
        [
            "auto001", 
            {
                "columns": [
                    [
                        "_id", 
                        "u8"
                    ], 
                    [
                        "obj_id", 
                        "u8"
                    ], 
                    [
                        "ra",   #The mean RA of all detections of the object
                        "f8"
                    ], 
                    [
                        "dec", #The mean DEC of all detections of the object
                        "f8"
                    ], 
                    [
                        "posstdev", # The standard deviation of positional errors in all detections
                        "f4"
                    ], 
                    [
                        "ra_ok",    #The mean RA of all *good* detections of the object
                        "f8"
                    ], 
                    [
                        "dec_ok",   #The mean DEC of all *good* detections of the object
                        "f8"
                    ], 
                    [
                        "posstdev_ok", # The standard deviation of positional errors in all *good* detections
                        "f4"
                    ], 
                    [
                        "ndet",     #The total number of detections of this object in all filters
                        "i2"
                    ], 
                    [
                        "ndet_ok",  #The total number of all good detections of this object in all filters.
                        "i2"
                    ], 
                    [
                        "nmag",     #The total number of detections of this object in each filter
                        "5i2"
                    ], 
                    [
                        "nmag_ok",  #The total number of *good* detections of this object in each filter
                        "5i2"
                    ], 
                    [
                        "mean",     #The mean flux in each filter
                        "5f4"
                    ], 
                    [
                        "stdev",    #The standard deviation of good detections of this object's flux in each filter
                        "5f4"
                    ], 
                    [
                        "err",      #The formal uncertainty in the inverse variance weighted mean
                        "5f4"
                    ], 
                    [
                        "median",  #The median flux in each filter
                        "5f4"
                    ], 
                    [
                        "q25",      #The 25th percentile flux in each filter
                        "5f4"
                    ], 
                    [
                        "q75",       #The 75th percentile flux in each filter
                        "5f4"
                    ], 
                    [
                        "ndet_ap",  #Same as ndet but for aperture magnitudes (not recommended for stars, use psf magnitudes instead). 
                        "i2"
                    ], 
                    [
                        "ndet_ap_ok", #Same as ndet_ok but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "i2"
                    ], 
                    [
                        "nmag_ap", #Same as nmag but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5i2"
                    ], 
                    [
                        "nmag_ap_ok", #Same as nmag_ok but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5i2"
                    ], 
                    [
                        "mean_ap",  #Same as mean but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "stdev_ap", #Same as stdev but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "err_ap",   #Same as err but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "median_ap", #Same as median but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "q25_ap", #Same as q25 but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "q75_ap",   #Same as q75 but for aperture magnitudes (not recommended for stars, use psf magnitudes instead)
                        "5f4"
                    ], 
                    [
                        "maglimit",     #The magnitude limit of the deepest exposure in which a given object was taken, at the given location in the exposure
                        "5f4"
                    ], 
                    [
                        "epochrange",   #The difference in time (in days) between the first and last detection of an object
                        "f8"
                    ], 
                    [
                        "epochrange_ok", #The difference in time (in days) between the first and last *good* detection of an object
                        "f8"
                    ], 
                    [
                        "epochmean",    # Mean epoch (MJD) of detections of this object
                        "f8"
                    ], 
                    [
                        "epochmean_ok", # Mean epoch (MJD) of *good* detections of this object
                        "f8"
                    ]
                ], 
                "commit_hooks": [
                    [
                        "Updating neighbors", 
                        0, 
                        "lsd.tasks", 
                        "build_neighbor_cache"
                    ]
                ], 
                "primary_key": "_id", 
                "spatial_keys": [
                    "ra", 
                    "dec"
                ]
            }
        ]
    ], 
    "commit_hooks": [
        [
            "Updating neighbors", 
            0, 
            "lsd.tasks", 
            "build_neighbor_cache"
        ]
    ], 
    "dt": 1, 
    "fgroups": {}, 
    "filters": {
        "complevel": 5, 
        "complib": "blosc", 
        "fletcher32": false
    }, 
    "level": 6, 
    "name": "ucal_fluxqz", 
    "nrows": 0, 
    "t0": 54335
}