Description Usage Format Fields Source
The Second Catalog of Hard Fermi-LAT Sources (2FHL). Ackermann, M. et al., The Astrophysical Journal Supplement Series, 222, 5 (2016). FITS Filename: gll_psch_v08.fit, released 16 Sept 2015.
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A data frame with 42 variables on 360 sources.
2FHL JHHMM.m+DDMM, constructed according to IAU Specifications for Nomenclature; m is decimal minutes of R.A.; in the name R.A. and decl. are truncated at 0.1 decimal minutes and 1' , respectively. A Source_Name ending with "e" indicates an extended source.
Right Ascension, J2000
Declination, J2000
Galactic longitude, deg.
Galactic latitude, deg.
Position uncertainty at 68% confidence level
Test Statistic
Best fit photon number power-law index
1 sigma error on Spectral_Index
Intrinsic spectral index computed using the Dominguez et al. (2011b) EBL model
1 sigma uncertainty on the intrinsic spectral index computed using the Dominguez et al. (2011b) EBL model
Intrinsic spectral index computed using the Gilmore et al. (2012) EBL model
1 sigma uncertainty on the intrinsic spectral index computed using the Gilmore et al. (2012) EBL model
Integral photon flux from 50 GeV to 2 TeV, photon cm^-2 s^-1
1 sigma uncertainty on integral flux from 50 GeV to 2 TeV, photon cm^-2 s^-1
Energy flux from 50 GeV to 2 TeV, erg cm^-2 s^-1
1 sigma error on energy flux from 50 GeV to 2 TeV, erg cm^-2 s^-1
Integral photon flux from 50 to 171 GeV, cm^-2 s^-1
(lower) 1 sigma error on integral photon flux from 50 to 171 GeV, cm^-2 s^-1, set to NaN if 1 sigma interval contains 0
(upper) 1 sigma error on integral photon flux from 50 to 171 GeV, cm^-2 s^-1
Square root of Test Statistic between 50 and 171 GeV
Integral photon flux from 171 to 585 GeV, cm^-2 s^-1
(lower) 1 sigma error on integral photon flux from 171 to 585 GeV, cm^-2 s^-1, set to NaN if 1 sigma interval contains 0
(upper) 1 sigma error on integral photon flux from 171 to 585 GeV, cm^-2 s^-1
Square root of Test Statistic between 171 and 585 GeV
Integral photon flux from 585 GeV to 2 TeV, cm^-2 s^-1
(lower) 1 sigma error on integral photon flux from 585 GeV to 2 TeV, cm^-2 s^-1, set to NaN if 1 sigma interval contains 0
(upper) 1 sigma error on integral photon flux from 585 GeV to 2 TeV, cm^-2 s^-1
Square root of Test Statistic between 585 GeV and 2 TeV
Predicted number of photons from the source
Highest photon energy, GeV
Probability that the HEP is coming from the source, >=0.85
Region of interest number
Name of the most likely associated source
Probability of association from the Bayesian method
Probability of association from the likelihood ratio method
Class designation for most likely association. Capital letters indicate firm identifications; lower-case letters indicate associations: Pulsar (psr), Pulsar wind nebula (pwn), Supernova remnant (snr), Supernova remnant/Pulsar wind nebula (spp), High-mass binary (hmb), Binary (bin), Star-forming region (sfr), BL Lac type of blazar (bll), BL Lac type of blazar with prominent galaxy emission (bll-g), FSRQ type of blazar (fsrq), Non-blazar active galaxy (agn), Radio galaxy (rdg), Radio galaxy/BL Lac (rdg/bll), Blazar candidate of uncertain type I (bcu I), Blazar candidate of uncertain type II (bcu II), Blazar candidate of uncertain type III (bcu III), Normal galaxy, or part (gal), Galaxy cluster (galclu), Unassociated source ( ).
Redshift (when available) of the most likely associated source
Observed Synchrotron peak frequency, Hz
Name of the most likely associated source in 3FGL
Name of the most likely associated source in the 1FHL
Name of the most likely associated source in the TeVCat
http://fermi.gsfc.nasa.gov/ssc/data/access/lat/2FHL/
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