Below are listed the columns of the database, and a brief description of each.
| Column | Type | Description |
| added | c*10 | Date observation added [dd-mm-yyyy] |
| instr | c*3 | Instrument (XPx/SWx/IJx/...) as for burst db |
| obsid | c*20 | Observation ID/period/SCW |
| id | i*4 | Reference ID for external (e.g. RXTE) catalog |
| tstart | r*8 | Start time (MJD) |
| tstop | r*8 | Stop time (MJD) |
| exp | r*4 | Exposure (seconds) |
| flag | i*2 | Generic "quality"" flag for this observation; various purposes |
| ra | r*4 | R.A., nominal pointing (decimal hours) |
| dec | r*4 | Dec., nominal pointing (decimal degrees) |
| name | c*30 | Name of target, where relevant (from source catalog) |
| angle | r*4 | Off-axis angle (arcmin) |
| vigcorr | r*4 | Vignetting correction applied to data (if any). For RXTE data, we prefer to generate the response appropriately for the source |
| nburst | i*2 | Number of bursts detected in the observation |
| count | r*4 | Background-subtracted mean rate for target source (count/s/cm2) |
| counte | r*4 | Uncertainty on mean rate for target source (count/s/cm2) |
| sig | r*4 | Significance at which the source is detected |
| model | c*64 | Spectral model (xspec syntax?) |
| chisqr | r*4 | (Mean) reduced chi-sqr of spectral fits (where >1 instrument) |
| chisqre | r*4 | Standard deviation of chi-sqr from spectral fits, if relevant |
| flux | r*4 | Mean flux (3-25 keV, 10^-9 erg/cm^2/s) |
| fluxe | r*4 | Error on flux |
| emin | r*4 | Minimum of energy band for fit [keV] |
| emax | r*4 | Maximum of energy band for fit [keV] |
| gamma | r*4 | Gamma (ratio of persistent flux to mean peak flux of radius-expansion bursts); after vppl88 |
| par1 | r*4 | Spectral parameter 1 (depending upon spectral model) |
| par1e | r*4 | Error on spectral parameter 1; set to -1 if parameter is frozen |
| par2 | r*4 | Spectral parameter 2 |
| par2e | r*4 | Error on spectral parameter 2 |
| par3 | r*4 | Spectral parameter 3 |
| par3e | r*4 | Error on spectral parameter 3 |
| par4 | r*4 | Spectral parameter 4 |
| par4e | r*4 | Error on spectral parameter 4 |
| par5 | r*4 | Spectral parameter 5 |
| par5e | r*4 | Error on spectral parameter 5 |
| par6 | r*4 | Spectral parameter 6 |
| par6e | r*4 | Error on spectral parameter 6 |
| par7 | r*4 | Spectral parameter 7 |
| par7e | r*4 | Error on spectral parameter 7 |
| par8 | r*4 | Spectral parameter 8 |
| par8e | r*4 | Error on spectral parameter 8 |
| par9 | r*4 | Spectral parameter 9 |
| par9e | r*4 | Error on spectral parameter 9 |
| sc | r*4 | Soft colour |
| sce | r*4 | Soft colour uncertainty |
| hc | r*4 | Hard colour |
| hce | r*4 | Hard colour uncertainty |
| s_z | r*4 | S_Z value, giving position in the colour-colour diagram |
| notes | c*255 | Notes |