FHL2 {fermicatsR}

2FHL Catalog (Second Catalog of Hard Fermi-LAT Sources)

Description

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.

Usage

FHL2

Format

A data frame with 42 variables on 360 sources.

Fields

Source_Name

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.

RAJ2000

Right Ascension, J2000

DEJ2000

Declination, J2000

GLON

Galactic longitude, deg.

GLAT

Galactic latitude, deg.

Pos_err_68

Position uncertainty at 68% confidence level

TS

Test Statistic

Spectral_Index

Best fit photon number power-law index

Unc_Spectral_Index

1 sigma error on Spectral_Index

Intr_Spectral_Index_D11

Intrinsic spectral index computed using the Dominguez et al. (2011b) EBL model

Unc_Intr_Spectral_Index_D11

1 sigma uncertainty on the intrinsic spectral index computed using the Dominguez et al. (2011b) EBL model

Intr_Spectral_Index_G12

Intrinsic spectral index computed using the Gilmore et al. (2012) EBL model

Unc_Intr_Spectral_Index_G12

1 sigma uncertainty on the intrinsic spectral index computed using the Gilmore et al. (2012) EBL model

Flux50

Integral photon flux from 50 GeV to 2 TeV, photon cm^-2 s^-1

Unc_Flux50

1 sigma uncertainty on integral flux from 50 GeV to 2 TeV, photon cm^-2 s^-1

Energy_Flux50

Energy flux from 50 GeV to 2 TeV, erg cm^-2 s^-1

Unc_Energy_Flux50

1 sigma error on energy flux from 50 GeV to 2 TeV, erg cm^-2 s^-1

Flux50_171GeV

Integral photon flux from 50 to 171 GeV, cm^-2 s^-1

Unc_Flux50_171GeV.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

Unc_Flux50_171GeV.2

(upper) 1 sigma error on integral photon flux from 50 to 171 GeV, cm^-2 s^-1

Sqrt_TS50_171GeV

Square root of Test Statistic between 50 and 171 GeV

Flux171_585GeV

Integral photon flux from 171 to 585 GeV, cm^-2 s^-1

Unc_Flux171_585GeV.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

Unc_Flux171_585GeV.2

(upper) 1 sigma error on integral photon flux from 171 to 585 GeV, cm^-2 s^-1

Sqrt_TS171_585GeV

Square root of Test Statistic between 171 and 585 GeV

Flux585_2000GeV

Integral photon flux from 585 GeV to 2 TeV, cm^-2 s^-1

Unc_Flux585_2000GeV.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

Unc_Flux585_2000GeV.2

(upper) 1 sigma error on integral photon flux from 585 GeV to 2 TeV, cm^-2 s^-1

Sqrt_TS585_2000GeV

Square root of Test Statistic between 585 GeV and 2 TeV

Npred

Predicted number of photons from the source

HEP_Energy

Highest photon energy, GeV

HEP_Prob

Probability that the HEP is coming from the source, >=0.85

ROI

Region of interest number

ASSOC

Name of the most likely associated source

ASSOC_PROB_BAY

Probability of association from the Bayesian method

ASSOC_PROB_LR

Probability of association from the likelihood ratio method

CLASS

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

Redshift (when available) of the most likely associated source

NuPeak_obs

Observed Synchrotron peak frequency, Hz

X3FGL_Name

Name of the most likely associated source in 3FGL

X1FHL_Name

Name of the most likely associated source in the 1FHL

TeVCat_Name

Name of the most likely associated source in the TeVCat

Source

http://fermi.gsfc.nasa.gov/ssc/data/access/lat/2FHL/