Browse this table... |
FERMILASP - Fermi LAT Monitored Source List |
HEASARC Archive |
The tabulated fluxes are derived at the LAT Instrument Science Operations center in a 'quick look' analysis to produce results quickly to facilitate follow-up multiwavelength observations of flaring sources. The table of released fluxes will be updated as analysis and calibrations improve.
These early flux estimates do not include systematic uncertainties and do not have an absolute flux calibration. Use of these data as absolute flux measurements for constraining models or for comparison to other data is strongly discouraged at this time. In addition to overall normalization uncertainties, source fluxes may have variations of up to 10% due to currently-uncorrected dependencies of the gamma-ray detection efficiency on variations of the particle background in orbit. Please note that these results are produced using preliminary instrument response functions and calibrations. The quality and stability of these results will improve when updated calibrations become available over the coming months.
MET_Start
This parameter is the observation start time given in Mission Elapsed Time
(MET). Mission Elapsed Time is measured in seconds from 2001.0, not including
leap seconds.
MET_End
This parameter is the observation stop time given in Mission Elapsed Time
(MET). Mission Elapsed Time is measured in seconds from 2001.0, not including
leap seconds.
Time
This parameter is the observation start time, in Universal Time (UT).
End_Time
This parameter is the observation start time, in Universal Time (UT).
Name
The designation of the source. Source names beginning with ASP are flaring
sources (i.e. included in the table because the flux exceeded a threshold of
2x10-6 photons cm-2 s-1).
RA
The right ascension of the source. For cataloged sources, these are the cataloged
values from an appropriate catalog.
For new sources (names which begin with ASP), the RA is the value determined by
the ASP processing and may have significant uncertainty.
Dec
The declination of the source. For cataloged sources, these are the
cataloged values from an appropriate catalog. For new sources (names which
begin with ASP), the Dec is the value determined by
the ASP processing and may have significant uncertainty.
LII
This parameter is the Galactic Longitude, as derived from the source right
ascension and declination.
BII
This parameter is the Galactic Latitude, as derived from the source right
ascension and declination.
Flux_1_300_GeV_Limit
Upper limit flag for the 1-300 GeV band flux. The flag value is "<" (a
"less than" symbol) if the flux is a 90%-confidence limit upper limit.
Flux_1_300_GeV
This parameter is the flux in the 1-300 GeV band, in photons/s/cm^2.
Flux_1_300_GeV_Error
This parameter is the 1-sigma uncertainty in the 1-300 GeV band flux.
Flux_300_1000_MeV_Limit
Upper limit flag for the 300-1000 MeV band flux. The flag value is "<" (a
"less than" symbol) if the flux is a 90%-confidence limit upper limit.
Flux_300_1000_MeV
This parameter is the flux in the 300-1000 MeV band, in photons/s/cm^2.
Flux_300_1000_MeV_Error
This parameter is the 1-sigma uncertainty in the 300-1000 MeV band flux.
Flux_0p1_300_GeV_Limit
Upper limit flag for the 0.1-300 GeV band flux. The flag value is "<" (a
"less than" symbol) if the flux is a 90%-confidence limit upper limit.
Flux_0p1_300_GeV
This parameter is the flux in the 0.1-300 GeV band, in photons/s/cm^2.
Flux_0p1_300_GeV_Error
This parameter is the 1-sigma uncertainty in the 0.1-300 GeV band flux.
Duration
The duration (in MET seconds), calculated as MET_END - MET_START.
Test_Stat_0p1_300_GeV
The test statistic for flux variability in the
100-300000 MeV band. See Mattox et al. 1996 ApJ, 461, 396.