FTOOLS: The XRONOS Sub-package
The XRONOS sub-package of FTOOLS is a general purpose timing analysis package.
The following XRONOS tasks were included in the latest release of the HEASARC's FTOOLS package. Each task is hyperlinked to the help file distributed with the task. The same information can be obtained while running FTOOLS by typing the command fhelp {taskname}.
XRONOS Tasks
- ascii2flc
- creates a xronos input FITS file from an ASCII file
- autocor
- calculates auto correlation for a time series
- crosscor
- calculates cross correlation of two time series
- earth2sun
- change times to solar system barycenter
- efold
- creates epoch folded lightcurve, hardness and color-color plots
- efsearch
- finds best chi-squared period by folding over range of periods
- flc2ascii
- Dump xronos input or output in ASCII file readable by QDP
- lcmath
- Subtracts or adds two binned lightcurves
- lcstats
- calculates statistical variables a time series
- lcurve
- creates lightcurves, hardness and color-color plots
- listdata
- list data file on the screen
- powspec
- creates power spectrum density
- rbf2fits
- Converts the "EXOSAT rate buffer" format in FITS
- timeskew
- calculates time skewness function for a time series
- xronwin
- creates a window file suitable for xronos tasks