The following table describes the format of each light curve file,
with filenames equal to the 'DBID' value in the first column of
DB_QSO_S82.dat.
For each
observation (ie. each row in the lightcurve file), each band is imaged
at slightly different times, hence the different MJD for each band.
Field (Column) | Format | Units | Label | Explanations |
---|---|---|---|---|
1 | D | days | MJD_u | Modified Julian Date for u-band observation |
2 | F6.3 | mag | u | Apparent u-band magnitude (1) |
3 | F5.3 | mag | u_err | u-band error |
4 | D | days | MJD_g | Modified Julian Date for g-band observation |
5 | F6.3 | mag | g | Apparent g-band magnitude (1) |
6 | F5.3 | mag | g_err | g-band error |
7 | D | days | MJD_r | Modified Julian Date for r-band observation |
8 | F6.3 | mag | r | Apparent r-band magnitude (1) |
9 | F5.3 | mag | r_err | r-band error |
10 | D | days | MJD_i | Modified Julian Date for i-band observation |
11 | F6.3 | mag | i | Apparent i-band magnitude (1) |
12 | F5.3 | mag | i_err | i-band error |
13 | D | days | MJD_z | Modified Julian Date for z-band observation |
14 | F6.3 | mag | z | Apparent z-band magnitude (1) |
15 | F5.3 | mag | z_err | z-band error |
16 | D | deg | ra_median | Median Right Ascension in decimal degrees (J2000, 360° is subtracted from all RA values > 300°) |
17 | D | deg | decl_median | Median Declination in decimal degrees (J2000) |