Here are the columns of the MINBAR database, and a brief description of each.
Note that the details (e.g. units) may not be up to date; the definitive description is in the paper (Table 10)
Column | Type | Description |
added | c*10 | Date burst added [dd-mm-yyy] |
instr | c*3 | Instrument (XTE/WFC/JMX/...) |
obsid | c*20 | Observation ID |
id | i*4 | Reference ID for external (e.g. RXTE) catalog |
time | r*8 | Burst start time (t_25) [MJD] |
type | i*2 | Burst type (1=thermonuclear, 2=accretion instability, 3=superburst, 4=GRB)) |
baryshift | r*4 | Add to time to get the arrival time at SS barycentre [s] |
ra | r*4 | "R.A. of origin, where known [decimal hours, J2000]" |
dec | r*4 | "Dec of origin, where known [decimal degrees, J2000]" |
name | c*22 | Likely source origin (name refers to separate source catalog) |
mult | i*2 | Number of instruments which have observed this event |
angle | r*4 | Angle from the pointing axis [arcmin] |
vigcorr | r*4 | Vignetting correction factor (e.g. for off-axis bursts seen by RXTE) |
pcount | r*4 | Peak count rate [count/s] |
pcounte | r*4 | 1-sigma error on peak count rate |
pflux | r*4 | Peak burst flux [count/s/cm^2] |
pfluxe | r*4 | Error on peak burst flux [count/s/cm^2] |
fluen | r*4 | Burst fluence [count/cm^2] |
fluene | r*4 | Error on fluence [count/cm^2] |
emin | r*4 | Minimum of energy band for flux & fluence (0=bolometric) [keV] |
emax | r*4 | Maximum of energy band (0 for bolometric) [keV] |
bpflux | r*4 | Maximum bolometric flux (from blackbody fit) [1e-9 erg/cm^2/s] |
bpfluxe | r*4 | Error on bolometric flux |
kT | r*4 | Blackbody temperature at flux maximum [keV] |
kTe | r*4 | Error on blackbody temperature |
rad | r*4 | Blackbody normalisation at flux maximum [(km^2/d_10kpc)^2] |
rade | r*4 | Error on blackbody normalisation |
bfluen | r*4 | Bolometric fluence (i.e. integrated bol. flux) [1e-6 erg/cm^2] |
bfluene | r*4 | Error on bolometric fluence |
nH | r*4 | Absorption column density for blackbody fit [10^22 cm^-2] |
nHe | r*4 | Error on absorption column density |
rexp | i*2 | "Radius-expansion flag (1=no, 2=yes, 3=marginal, -1=can't tell)" |
flag | i*2 | "Flag for analysis conditions, as for RXTE catalog" |
rise | r*4 | Burst rise time (=t_90-t_25) [s] |
risee | r*4 | Error on burst rise [s] |
tau | r*4 | Burst timescale (fluence/peak flux) [s] |
taue | r*4 | Error on burst timescale |
dur | r*4 | Burst duration [s] |
dure | r*4 | Error on burst duration [s] |
bnum | i*2 | Burst number within observation |
edt | r*4 | First decay constant for exponential fit to profile [s] |
edte | r*4 | Error on first decay constant |
tdel | r*4 | Separation [hr] |
trec | r*4 | (Inferred) recurrence time [hr] |
perflx | r*4 | Persistent flux at the time of the burst [1e-9 erg/cm^2/s] |
perflxe | r*4 | Error on persistent flux [1e-9 erg/cm^2/s] |
pemin | r*4 | Minimum of energy band for persistent flux [keV] |
pemax | r*4 | Maximum of energy band for persistent flux [keV] |
alpha | r*4 | Ratio of integrated persistent flux to burst fluence |
alphae | r*4 | Error on alpha value |
bc | r*4 | Bolometric correction for persistent flux |
bce | r*4 | Error on bolometric correction |
gamma | r*4 | Normalised persistent flux; following vppl88 |
sc | r*4 | Soft colour (defined at present only for RXTE bursts) |
hc | r*4 | Hard colour (ditto) |
s_z | r*4 | Position on the colour-colour diagram |
notes | c*255 | |