Since no standard data format was used by most experiments in the past (and still is), we collected data in many different formats and converted them to the standard FITS format. Furthermore, no common definition of what data fields a lightcurve file should contain existed up to now. Therefore, we have developed the simple lightcurve format (SLF) definition, which defines the data fields needed for subsequent analyzes of lightcurve data. The SLF data field structure is defined here. For the contents definition of the data fields of the FITS files we use the SLF definition.
Please report any bugs to us !
Combined lightcurve plots
Combined data files
Here, we provide combined lightcurve files in FITS format. The data fields in the fits files comply to the SLF definition. The file versions are given by their creation date. When new data will be available, this table will be extended accordingly. Direct contributions of data in electronic form are welcome (send e-mail to us).| Object | fits file | slf file (ascii) | VO Table format file |
| 1ES 1959+650 | 1es1959+650_combined_lc_v0.2.fits | 1es1959+650_combined_lc_v0.2.slf | 1es1959+650_combined_lc_v0.2.xml (VOT) |
| Mrk 421 | mrk421_combined_lc_v0.2.fits | mrk421_combined_lc_v0.2.slf | mrk421_combined_lc_v0.2.xml (VOT) |
| Mrk 501 | mrk501_combined_lc_v0.2.fits | mrk501_combined_lc_v0.2.slf | mrk501_combined_lc_v0.2.xml (VOT) |
| PKS 2155-304 | publication of large data set pending | ||
| M 87 | m87_combined_lc_v0.2.fits | m87_combined_lc_v0.2.slf | m87_combined_lc_v0.2.xml (VOT) |
SLF query interface
Tools
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The standard flux unit for GeV/TeV gamma-rays is the Crab. In order to properly convert
the fluxes, the Crab spectrum has to be known for each experiment:
The Crab as seen by Gamma-Ray experiments HEGRA CTS: dN/dE = (2.83+-0.04stat+-0.6sys)10^-11 cm-2s-1TeV-1 (E/TeV)^(-2.62+-0.02stat+-0.05sys)
Crab paper HEGRA
CrabFluxHEGRA.dat dN/dE = 3.76+-0.07 * (E/1TeV)^(2.39+-0.03) * exp(E/[14.3+-2.1TeV]) 1e-11 cm-2 s-1 TeV-1
H.E.S.S.: dN/dE = 3.45+-0.05 * (E/1TeV)^(-2.63+-0.01) 1e-11 cm-2 s-1 TeV-1
Crab paper H.E.S.S.
CrabFluxHESS.dat (taking pure powerlaw)HEGRA CT1: dN/dE = 2.08e-11 * (E/TeV)^(-2.63) cm-2 s-1 TeV-1
Whipple: dN/dE = 2.73e-11 * (E/TeV)^(-2.58) cm-2 s-1 TeV-1
MAGIC: dN/dE = (6.0+-0.2)e-10 * (E/TeV)^(-2.31-0.26*log10(E/TeV)) cm-2 s-1 TeV-1
Crab paper MAGICVERITAS: no info yet. Take Whipple spectrum CAT: dN/dE = (2.21+-0.05+-0.60)e-11 * (E/TeV)^(-2.80±0.03±0.06) cm-2 s-1 TeV-1 (500GeV -- 12.6TeV)
Piron, F. PhD Thesis - dump_fits.py a python script that dumps the contents of a fits table as ascii on stdout
- demo_read_fits_table.py
Observability
MAGIC AGN-observation schedule 2005HESS selected AGN-Observation windows 2006
Links to data archives
Integral public data archive3rd EGRET catalog
Tevcat
ASM lightcurve archive