LAT Monitored Sources
The following are the sources the LAT team will monitor during the first year (and most likely throughout the mission). The fluxes are now available via Browse. Also, light curves for these sources (and for bright transients) are also available. This list will most likely grow as the mission progresses.
A detailed description of this data can be found here.
| Source Type | Source Name | EGRET Name | Average or Min. EGRET Flux above 100 MeV (10-8 γ cm-2s-1) |
Galactic Latitude |
Redshift | TeV Source |
|---|---|---|---|---|---|---|
| Blazar | 0208-512 | 3EGJ0210-5055 | 85.5 ± 4.5 | -61.9 | 1.003 | |
| 0235+164 | 3EGJ0237+1635 | 65.1 ± 8.8 | -39.1 | 0.94 | ||
| PKS 0528+134 | 3EGJ0530+1323 | 93.5 ± 3.6 | -11.1 | 2.060 | ||
| S5 0716+71 | 3EGJ0721+7120 | 17.8 ± 2.0 | 28 | 0.3 | ||
| 0827+243 | 3EGJ0829+2413 | 24.9 ± 3.9 | 31.7 | 0.939 | ||
| OJ 287 | 3EGJ0853+1941 | 10.6 ± 3.0 | 35.8 | 0.306 | ||
| Mrk 421 | 3EGJ1104+3809 | 13.9 ± 1.8 | 65.0 | 0.031 | Yes | |
| W Com 1219+285 |
3EGJ1222+2841 | 11.5 ± 1.8 | 83.5 | 0.102 | Yes | |
| 3C 273 | 3EGJ1229+0210 | 15.4 ± 1.8 | 64.5 | 0.158 | ||
| 3C 279 | 3EGJ1255-0549 | 74.2 ± 2.8 | 57.0 | 0.538 | Yes | |
| 1406-076 | 3EGJ1409-0745 | 27.4 ± 2.8 | 50.3 | 1.494 | ||
| H 1426+428 | NA | 64.9 | 0.129 | Yes | 1510-089 | 3EGJ1512-0849 | 18.0 ± 3.8 | 40.1 | 0.36 |
| PKS 1622-297 | 3EGJ1625-2955 | 47.4 ± 3.7 | 13.4 | 0.815 | ||
| 1633+382 | 3EGJ1635+3813 | 58.4 ± 5.2 | 42.3 | 1.814 | ||
| Mrk 501 | NA | 38.9 | 0.033 | Yes | ||
| 1730-130 NRAO 530 |
3EGJ1733-1313 | 36.1 ± 3.4 | 10.6 | 0.902 | ||
| 1ES 1959+650 | NA | 17.7 | 0.048 | Yes | ||
| PKS 2155-304 | 3EG2158-3023 | 13.2 ± 3.2 | -52.2 | 0.116 | Yes | |
| BL_Lacertae (2200+420) |
3EGJ2202+4217 | 39.9 ± 11.6 | -10.4 | 0.069 | Yes | |
| 3C 454.3 | 3EGJ2254+1601 | 53.7 ± 4.0 | -38.3 | 0.859 | ||
| 1ES 2344+514 | NA | -9.9 | 0.044 | Yes | ||
| HMXB | LSI+61 303 2CG135+01 |
3EGJ0241+6103 | 69.3 ± 6.1 | 1.0 | Yes | |
| any source (except Crab, Vela, and Geminga pulsars) | monitor if flux exceeds 1x10-6 cm-2s-1 |
As sources cross the monitoring flux threshold of 1x10-6 cm-2s-1, they are added to the monitored source list. Below are the sources which have been added since Fermi nominal science operations began on August 11, 2008. The initial flux threshold was 2x10-6 cm-2s-1, but this value was lowered in June 2009. Sources that passed the new (lower) threshold prior to that date have also been added to the monitoring list.
| Source Name | EGRET Name | RA | Declination | Galactic Latitude |
Galactic Longitude |
|---|---|---|---|---|---|
| 4C 31.03 | NA | 18.2100 | 32.1380 | 128.2 | -30.5 |
| 3C 66A | 3EGJ0222+4253 | 35.6650 | 43.0350 | 140.1 | -16.8 |
| NRAO 190 | 3EGJ0442-0033 | 70.6610 | -0.295000 | 197.2 | -28.5 |
| PKS 0454-234 | 3EGJ0456-2338 | 74.2630 | -23.4140 | 223.7 | -34.9 |
| OFGL J0910.2-5044 | NA | 137.568 | -50.7430 | 271.6 | -1.9 |
| J123939+044409 | NA | 189.900 | 4.70000 | 295.2 | 67.4 |
| PKS 1244-255 | NA | 191.695 | -25.7970 | 301.6 | 37.1 |
| PKS 1454-354 | NA | 224.361 | -35.6530 | 329.9 | 20.5 |
| PKS 1502+106 | NA | 226.104 | 10.4940 | 11.4 | 54.6 |
| GB6 J1700+6830 | NA | 255.039 | 68.5020 | 99.6 | 35.2 |
| PMN J2250-2806 | NA | 342.685 | -28.1100 | 23.8 | -63.3 |
See the LAT team's first year data release plan for the expected latencies.
The lightcurves and spectra of transient sources will also be posted; see the data policy.