Fermi Science Support Center

LAT 3FGL Catalog Aperture Photometry Lightcurves

We provide here aperture photometry light curves of all sources in the Fermi Large Area Telescope Third Source Catalog (3FGL) with 30 day time resolution. The light curves and plots will generally be updated weekly. We also plot power spectra of the light curves for periods between 65 days and the length of the light curve, with a frequency oversampling of a factor of 5.

Some caveats:

  • These light curves are intended to provide a quick way to inspect gross features in the long-term light curves. They are unlikely to be directly useful for detailed scientific analysis.
  • They are not background subtracted.
  • The apertures will contain photons from nearby sources.

A thread describing the steps involved in aperture photometry of LAT data can be found here. A script to perform aperture photometry (aperture.pl) is available here.

The columns in the data files are:

  1. Time of center of bin (MJD)
  2. Count rate in the aperture in photons cm^-2 s^-1
  3. Count rate error based on the observed number of photons. This is used in the plots
  4. Half-width of the time bin in days.
  5. Count rate error based on the relative exposure of the time bin.
  6. Exposure in cm^2 s.
  7. Line number. This will not be present in later versions of these files.

The aperture photometry used:

  • 1 degree radius apertures
  • 100 MeV to 200 GeV
  • Data are P8 Source class (evclass=128), front+back (evtype=3)
  • A zenith limit of 105 degrees.
  • A rock limit of 90 degrees. (i.e. no filtering on this.)
  • A bore-sight limit of 180 degrees. (i.e. no filtering on this.)
  • Times when a source was closer than 5 degrees from the Sun are excluded.

For caveats on period detection in LAT light curves please see here.

Flaring Sources in the Aperture Photometry Lightcurves


RA Range:
00-01 | 02-03 | 04-05 | 06-07 | 08-09 | 10-11 | 12-13 | 14-15 | 16-17 | 18-19 | 20-21 | 22-23

3FGLJ0000.1+6545
lightcurve_3FGLJ0000.1p6545.png
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3FGLJ0000.2-3738
lightcurve_3FGLJ0000.2-3738.png
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3FGLJ0001.0+6314
lightcurve_3FGLJ0001.0p6314.png
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3FGLJ0001.2-0748
lightcurve_3FGLJ0001.2-0748.png
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3FGLJ0001.4+2120
lightcurve_3FGLJ0001.4p2120.png
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3FGLJ0001.6+3535
lightcurve_3FGLJ0001.6p3535.png
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3FGLJ0002.0-6722
lightcurve_3FGLJ0002.0-6722.png
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3FGLJ0002.2-4152
lightcurve_3FGLJ0002.2-4152.png
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3FGLJ0002.6+6218
lightcurve_3FGLJ0002.6p6218.png
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3FGLJ0003.2-5246
lightcurve_3FGLJ0003.2-5246.png
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3FGLJ0003.4+3100
lightcurve_3FGLJ0003.4p3100.png
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3FGLJ0003.5+5721
lightcurve_3FGLJ0003.5p5721.png
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3FGLJ0003.8-1151
lightcurve_3FGLJ0003.8-1151.png
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3FGLJ0004.2+0843
lightcurve_3FGLJ0004.2p0843.png
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3FGLJ0004.2+6757
lightcurve_3FGLJ0004.2p6757.png
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3FGLJ0004.7-4740
lightcurve_3FGLJ0004.7-4740.png
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3FGLJ0006.2+0135
lightcurve_3FGLJ0006.2p0135.png
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3FGLJ0006.4+3825
lightcurve_3FGLJ0006.4p3825.png
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3FGLJ0006.6+4618
lightcurve_3FGLJ0006.6p4618.png
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3FGLJ0007.0+7302
lightcurve_3FGLJ0007.0p7302.png
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3FGLJ0007.4+1742
lightcurve_3FGLJ0007.4p1742.png
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3FGLJ0007.9+4006
lightcurve_3FGLJ0007.9p4006.png
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3FGLJ0008.0+4713
lightcurve_3FGLJ0008.0p4713.png
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3FGLJ0008.3+1456
lightcurve_3FGLJ0008.3p1456.png
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3FGLJ0008.5+6853
lightcurve_3FGLJ0008.5p6853.png
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3FGLJ0008.6-2340
lightcurve_3FGLJ0008.6-2340.png
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3FGLJ0008.7+6558
lightcurve_3FGLJ0008.7p6558.png
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3FGLJ0009.1+0630
lightcurve_3FGLJ0009.1p0630.png
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3FGLJ0009.3+5030
lightcurve_3FGLJ0009.3p5030.png
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3FGLJ0009.6-3211
lightcurve_3FGLJ0009.6-3211.png
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3FGLJ0010.5-1425
lightcurve_3FGLJ0010.5-1425.png
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3FGLJ0012.4+7040
lightcurve_3FGLJ0012.4p7040.png
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3FGLJ0013.2-3954
lightcurve_3FGLJ0013.2-3954.png
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3FGLJ0013.9-1853
lightcurve_3FGLJ0013.9-1853.png
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3FGLJ0014.0-5025
lightcurve_3FGLJ0014.0-5025.png
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3FGLJ0014.3-0455
lightcurve_3FGLJ0014.3-0455.png
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3FGLJ0014.6+6119
lightcurve_3FGLJ0014.6p6119.png
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3FGLJ0014.7+5802
lightcurve_3FGLJ0014.7p5802.png
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3FGLJ0015.7+5552
lightcurve_3FGLJ0015.7p5552.png
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3FGLJ0016.3-0013
lightcurve_3FGLJ0016.3-0013.png
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3FGLJ0016.5+1713
lightcurve_3FGLJ0016.5p1713.png
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3FGLJ0017.1+1445
lightcurve_3FGLJ0017.1p1445.png
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3FGLJ0017.2-0643
lightcurve_3FGLJ0017.2-0643.png
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3FGLJ0017.6-0512
lightcurve_3FGLJ0017.6-0512.png
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3FGLJ0018.4+2947
lightcurve_3FGLJ0018.4p2947.png
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3FGLJ0018.9-8152
lightcurve_3FGLJ0018.9-8152.png
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3FGLJ0019.1-5645
lightcurve_3FGLJ0019.1-5645.png
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3FGLJ0019.4+2021
lightcurve_3FGLJ0019.4p2021.png
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3FGLJ0020.9+0323
lightcurve_3FGLJ0020.9p0323.png
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3FGLJ0021.6-2553
lightcurve_3FGLJ0021.6-2553.png
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3FGLJ0021.6-6835
lightcurve_3FGLJ0021.6-6835.png
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3FGLJ0022.1-1855
lightcurve_3FGLJ0022.1-1855.png
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3FGLJ0022.1-5141
lightcurve_3FGLJ0022.1-5141.png
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3FGLJ0022.5+0608
lightcurve_3FGLJ0022.5p0608.png
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3FGLJ0022.7+4651
lightcurve_3FGLJ0022.7p4651.png
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3FGLJ0023.4+0923
lightcurve_3FGLJ0023.4p0923.png
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3FGLJ0023.5+4454
lightcurve_3FGLJ0023.5p4454.png
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3FGLJ0023.9-7203
lightcurve_3FGLJ0023.9-7203.png
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3FGLJ0024.4+0350
lightcurve_3FGLJ0024.4p0350.png
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3FGLJ0025.7+6404
lightcurve_3FGLJ0025.7p6404.png
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3FGLJ0026.2-4812
lightcurve_3FGLJ0026.2-4812.png
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3FGLJ0026.7-4603
lightcurve_3FGLJ0026.7-4603.png
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3FGLJ0028.6+7507
lightcurve_3FGLJ0028.6p7507.png
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3FGLJ0028.8+1951
lightcurve_3FGLJ0028.8p1951.png
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3FGLJ0029.1-7045
lightcurve_3FGLJ0029.1-7045.png
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3FGLJ0030.2-1646
lightcurve_3FGLJ0030.2-1646.png
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3FGLJ0030.3-4223
lightcurve_3FGLJ0030.3-4223.png
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3FGLJ0030.4+0451
lightcurve_3FGLJ0030.4p0451.png
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3FGLJ0030.7-0209
lightcurve_3FGLJ0030.7-0209.png
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3FGLJ0031.2-2320
lightcurve_3FGLJ0031.2-2320.png
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3FGLJ0031.3+0724
lightcurve_3FGLJ0031.3p0724.png
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3FGLJ0031.6+0938
lightcurve_3FGLJ0031.6p0938.png
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3FGLJ0032.3-2852
lightcurve_3FGLJ0032.3-2852.png
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3FGLJ0032.3-5522
lightcurve_3FGLJ0032.3-5522.png
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3FGLJ0032.5+3912
lightcurve_3FGLJ0032.5p3912.png
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3FGLJ0033.6-1921
lightcurve_3FGLJ0033.6-1921.png
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3FGLJ0034.3-0534
lightcurve_3FGLJ0034.3-0534.png
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3FGLJ0035.2+1513
lightcurve_3FGLJ0035.2p1513.png
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3FGLJ0035.9+5949
lightcurve_3FGLJ0035.9p5949.png
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3FGLJ0037.9+1239
lightcurve_3FGLJ0037.9p1239.png
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3FGLJ0038.0-2501
lightcurve_3FGLJ0038.0-2501.png
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3FGLJ0038.0+0012
lightcurve_3FGLJ0038.0p0012.png
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3FGLJ0039.0-2218
lightcurve_3FGLJ0039.0-2218.png
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3FGLJ0039.1-0939
lightcurve_3FGLJ0039.1-0939.png
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3FGLJ0039.1+4330
lightcurve_3FGLJ0039.1p4330.png
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3FGLJ0039.3+6256
lightcurve_3FGLJ0039.3p6256.png
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3FGLJ0040.3+4049
lightcurve_3FGLJ0040.3p4049.png
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3FGLJ0040.5-2339
lightcurve_3FGLJ0040.5-2339.png
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3FGLJ0041.9+3639
lightcurve_3FGLJ0041.9p3639.png
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3FGLJ0042.0+2318
lightcurve_3FGLJ0042.0p2318.png
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3FGLJ0042.5+4117
lightcurve_3FGLJ0042.5p4117.png
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3FGLJ0043.5-0444
lightcurve_3FGLJ0043.5-0444.png
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3FGLJ0043.7-1117
lightcurve_3FGLJ0043.7-1117.png
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3FGLJ0043.8+3425
lightcurve_3FGLJ0043.8p3425.png
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3FGLJ0045.2-3704
lightcurve_3FGLJ0045.2-3704.png
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3FGLJ0045.3+2126
lightcurve_3FGLJ0045.3p2126.png
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3FGLJ0045.7+1217
lightcurve_3FGLJ0045.7p1217.png
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3FGLJ0046.7-8419
lightcurve_3FGLJ0046.7-8419.png
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3FGLJ0047.0+5658
lightcurve_3FGLJ0047.0p5658.png
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3FGLJ0047.5-2516
lightcurve_3FGLJ0047.5-2516.png
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3FGLJ0047.9+5447
lightcurve_3FGLJ0047.9p5447.png
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3FGLJ0048.0+2236
lightcurve_3FGLJ0048.0p2236.png
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3FGLJ0048.0+3950
lightcurve_3FGLJ0048.0p3950.png
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3FGLJ0048.1-6343
lightcurve_3FGLJ0048.1-6343.png
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3FGLJ0049.0+4224
lightcurve_3FGLJ0049.0p4224.png
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lightcurve_3FGLJ0049.4-4149.png
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3FGLJ0049.4-5401
lightcurve_3FGLJ0049.4-5401.png
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3FGLJ0049.7+0237
lightcurve_3FGLJ0049.7p0237.png
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3FGLJ0049.8-5737
lightcurve_3FGLJ0049.8-5737.png
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3FGLJ0050.0-4458
lightcurve_3FGLJ0050.0-4458.png
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3FGLJ0050.4-0449
lightcurve_3FGLJ0050.4-0449.png
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3FGLJ0050.6-0929
lightcurve_3FGLJ0050.6-0929.png
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3FGLJ0051.0-0649
lightcurve_3FGLJ0051.0-0649.png
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3FGLJ0051.2-6241
lightcurve_3FGLJ0051.2-6241.png
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3FGLJ0051.6+6445
lightcurve_3FGLJ0051.6p6445.png
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3FGLJ0054.8-2455
lightcurve_3FGLJ0054.8-2455.png
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3FGLJ0055.2-1213
lightcurve_3FGLJ0055.2-1213.png
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3FGLJ0056.3-0935
lightcurve_3FGLJ0056.3-0935.png
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3FGLJ0056.3-2116
lightcurve_3FGLJ0056.3-2116.png
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3FGLJ0057.9-0542
lightcurve_3FGLJ0057.9-0542.png
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3FGLJ0058.0-3233
lightcurve_3FGLJ0058.0-3233.png
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3FGLJ0058.3+3315
lightcurve_3FGLJ0058.3p3315.png
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3FGLJ0059.0-7242e
lightcurve_3FGLJ0059.0-7242e.png
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3FGLJ0059.1-5701
lightcurve_3FGLJ0059.1-5701.png
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3FGLJ0059.2-0152
lightcurve_3FGLJ0059.2-0152.png
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3FGLJ0059.6+0003
lightcurve_3FGLJ0059.6p0003.png
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3FGLJ0100.2+0745
lightcurve_3FGLJ0100.2p0745.png
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3FGLJ0101.0-6422
lightcurve_3FGLJ0101.0-6422.png
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3FGLJ0102.1+0943
lightcurve_3FGLJ0102.1p0943.png
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lightcurve_3FGLJ0102.8p4840.png
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lightcurve_3FGLJ0102.8p5825.png
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3FGLJ0103.4+5336
lightcurve_3FGLJ0103.4p5336.png
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3FGLJ0103.7+1323
lightcurve_3FGLJ0103.7p1323.png
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lightcurve_3FGLJ0105.1-2415.png
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lightcurve_3FGLJ0105.3p3928.png
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lightcurve_3FGLJ0106.5p4855.png
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3FGLJ0107.0-1208
lightcurve_3FGLJ0107.0-1208.png
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3FGLJ0108.5-0035
lightcurve_3FGLJ0108.5-0035.png
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3FGLJ0108.7+0134
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3FGLJ0109.1+1816
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3FGLJ0109.9-4020
lightcurve_3FGLJ0109.9-4020.png
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3FGLJ0110.2+6806
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lightcurve_3FGLJ0110.9-1254.png
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lightcurve_3FGLJ0112.9-7506.png
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3FGLJ0122.8+3423
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3FGLJ0131.2+6120
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lightcurve_3FGLJ0153.4p7114.png
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lightcurve_3FGLJ0156.5-2423.png
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lightcurve_3FGLJ0156.9-4742.png
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3FGLJ0157.0-5301
lightcurve_3FGLJ0157.0-5301.png
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lightcurve_3FGLJ0157.9-4615.png
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lightcurve_3FGLJ0158.6-3931.png
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3FGLJ0158.6+0102
lightcurve_3FGLJ0158.6p0102.png
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3FGLJ0159.4+1046
lightcurve_3FGLJ0159.4p1046.png
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3FGLJ0159.8-2741
lightcurve_3FGLJ0159.8-2741.png
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