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Description Catalog Data Default Radius (arcmin) Mission Table Type
Fermi LAT 14-Year Point Source Catalog (4FGL-DR4) fermilpscY
10
 FERMI Object

1. Enter any constraints on the query below. [ Help on constraint syntax ]

(What about wildcards, spaces, and case sensitivity?)

2. To change the fields that are returned, select the box in the "View" column beside each field desired.

3. To sort the results by any field, select one box in the "Sort" column beside the field to sort on.


 Parameter (Unit) Min Value Max Value Value Type
name 4FGL J0000.3-7355 4FGL J2359.9-3736 string
ra 00 00 23.6 23 59 57.8 position
dec -87 51 58 +88 44 15 position
flux_1_100_gev (photon/cm^2/s) 1.0151e-11 1.3309e-06 float
flux_1_100_gev_error (photon/cm^2/s) 7.0166e-12 3.6157e-09 float
detection_significance (sigma) 0.0246 897.9750 float
spectrum_type LogParabola PowerLaw string
alt_gammaray_name_1 0FGL J0538.4-6856 3FGL J2359.5-2052 string
assoc_name 1E 0317.0+1835 rho Ophiuchi string
analysis_flags 0 12592 integer
data_release 1 4 integer
lii (degree) 0.0424 359.9922 float
bii (degree) -87.9694 88.6822 float
semi_major_axis_68 (degree) 0.0045 0.5332 float
semi_minor_axis_68 (degree) 0.0044 0.3800 float
position_angle_68 (degree) -90.00 118.06 float
semi_major_axis_95 (degree) 0.0073 0.8645 float
semi_minor_axis_95 (degree) 0.0072 0.6162 float
position_angle_95 (degree) -90.00 118.06 float
pivot_energy (MeV) 54.04 173796.17 float
energy_flux (erg/cm^2/s) 1.4950e-13 9.2830e-09 float
energy_flux_error (erg/cm^2/s) 1.1540e-13 2.8366e-11 float
pl_flux_density (photon/cm^2/MeV/s) 2.5282e-17 1.4462e-07 float
pl_flux_density_error (photon/cm^2/MeV/s) 1.0331e-17 1.2492e-08 float
pl_index 1.0825 3.3298 float
pl_index_error 0.0013 0.7557 float
lp_flux_density (photon/cm^2/MeV/s) 3.1056e-17 1.1714e-07 float
lp_flux_density_error (photon/cm^2/MeV/s) 1.4483e-17 9.9544e-09 float
lp_index 0.8508 3.7556 float
lp_index_error 0.0027 2.6268 float
lp_beta -0.1316 1.1441 float
lp_beta_error 0.0000 1.9874 float
lp_curve_significance 0.00 253.72 float
lp_epeak (Mev) 0.0 132868296.0 float
lp_epeak_error 0.3 6273783808.0 float
plec_flux_density (photon/cm^2/MeV/s) 3.3417e-17 1.0989e-07 float
plec_flux_density_error (photon/cm^2/MeV/s) 1.7637e-17 8.5685e-09 float
plec_index_s 0.2286 3.3097 float
plec_index_s_error 0.0038 2.8154 float
plec_exp_factor_s -0.27153 2.24161 float
plec_exp_factor_s_error 0.00000 3.09642 float
plec_exp_index 0.2210 1.0000 float
plec_exp_index_error 0.0106 0.1497 float
plec_curve_significance 0.00 257.05 float
plec_epeak (Mev) 0.0 45609328.0 float
plec_epeak_error 8.7 5650349568.0 float
npred 11.92 284295.47 float
variability_index 2.287864 96038.062500 float
frac_variability 0.0000 3.6619 float
frac_variability_error 0.0027 10.0000 float
significance_peak 2.689119 400.519196 float
flux_peak (photon/cm^2/s) 1.88920e-10 5.05880e-06 float
flux_peak_error (photon/cm^2/s) 7.35170e-11 3.49040e-08 float
time_peak 2009-02-01 23:28:30 UTC 2022-02-01 06:33:31 UTC date
time_peak_interval (s) 3.133258e+07 3.156000e+07 float
alt_gammaray_name_2 1FHL J0044.0-1111 3FHL J2359.3-2049 string
alt_gammaray_name_3 2AGL J0007+7308 2AGL J2336+8009 string
alt_gammaray_name_4 3EG J0038-0949 3EG J2359+2041 string
alt_gammaray_name_5 EGR J0008+7308 EGRc J2025+3559 string
alt_gammaray_name_6 4FGL J0000.3-7355 4FGL J2359.9-3736 string
extended_source_name 3C 58 gamma Cygni string
tevcat_flag E P string
tevcat_assoc 1ES 0033+595 Westerlund 2 string
source_type AGN unk string
source_type_alt agn unk string
assoc_name_alt 1RXS J134545.1+533300 gamma Cygni field string
assoc_prob_bay 0.0000 1.0000 float
assoc_prob_lr 0.0000 1.0000 float
assoc_ra 00 00 08.4 23 59 55.3 position
assoc_dec -87 55 16 +88 44 15 position
assoc_error_radius (degree) 0.0000000 2.5000000 float

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(e.g. 'Cyg X-1' or '12 00 00, 4 12 6')
Use semicolons (;) to separate multiple object names or coordinate pairs (e.g. 'Cyg X-2; 12.235, 15.345').
Default uses the optimum radius for each catalog searched.

Not all tables have observation dates/times. For those that do, the time portion of the date is optional.
Times are always in UTC. Separate multiple dates/ranges with semicolons (;). Range operator is '..'
(e.g. '1992-12-31; 48980.5; 1995-01-15 12:00:00; 1997-03-20 .. 2000-10-18').
rows
Select to display all catalog parameters instead of only defaults.

5.


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