Https://www.lst1.iac.es/wiki/index.php/Mrk421 FermiLAT Lea

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Analyzer: Lea Heckmann (heckmann@mpp.mpg.de)

Data available

Following the MJD bins of LST: https://docs.google.com/spreadsheets/d/1vUu9R7jx2tyhD4U8d4yKL4vq-ZzoFqOJag7vkeQ8RXM/edit#gid=1804310264

Settings

Energy range: 300 MeV - 1 TeV

ROI: 10 deg (+ include sources inside 20 deg)

Free index and normalization of sources: inside 5 deg & TS > 10

Remove sources with TS < 3

IRFs: P8R3_SOURCE_V3

evclass: 128

evtype: 3

catalog: 4FGL- v2

max_zenith: 90

separate front and back


Results

loglike(PL) = loglike(LP) =

loglike(PL with EBL) = loglike(LP with EBL) =

TS PL vs LP: TS EBL PL vs EBL LP:

TS PL without vs with EBL:

SEDs

Power Law:

SED Mrk421 PL Lea.png

Log Parabola:

SED Mrk421 LP Lea.png


Power Law with EBL:

SED Mrk421 EBLPL Lea.png


Log Parabola with EBL:

SED Mrk421 EBLLP Lea.png