The table below lists science milestones, data and software releases, and operations events for the Fermi mission. Dates for science highlights typically reflect the announcement or publication of the result.
Date | AO Cycle | Event |
---|---|---|
2008-06-11 | 0 | Launch |
2008-08-11 | 1 | Checkout phase completed |
2008-08-11 | 1 | AO 1 started |
2008-08-26 | 1 | GLAST renamed to Fermi Gamma-ray Space Telescope |
2009-08-13 | 2 | AO 2 started |
2010-04-04 | 2 | Fermi initiates first approved ToO |
2010-08-11 | 3 | AO 3 started |
2011-08-11 | 4 | AO 4 started |
2011-10-28 | 4 | Fermi sun-pointing event |
2012-05-18 | 4 | 2-year mission extension approved by NASA (PDF) |
2012-08-16 | 5 | AO 5 started |
2012-04-03 | 4 | Fermi collision avoidance maneuver |
2013-08-11 | 5 | Fermi entered extended mission phase |
2013-08-15 | 6 | AO 6 started |
2013-12-05 | 6 | Modified observing strategy implemented |
2014-05-16 | 6 | 2-year mission extension approved by NASA (PDF) |
2014-08-14 | 7 | AO 7 started |
2014-12-04 | 7 | Modified observing strategy ended |
2015-08-13 | 8 | AO 8 started |
2016-06-09 | 8 | 2-year mission extension approved by NASA (PDF) |
2016-08-11 | 9 | AO 9 started |
2017-08-17 | 10 | AO 10 started |
2018-03-16 | 10 | Solar Array Drive Assembly (SADA) anomaly occurs |
2018-04-03 | 10 | Fermi resumes science operations |
2018-08-16 | 11 | AO 11 started |
2019-07-17 | 11 | 3-year mission extension approved by NASA (PDF) |
2019-08-02 | 11 | Fermi anomaly interrupts operations |
2019-08-05 | 11 | Fermi returns to normal operations |
2019-08-17 | 12 | AO 12 started |
2020-08-13 | 13 | AO 13 started |
2021-08-12 | 14 | AO 14 started |
2021-10-18 | 14 | LAT SAA boundary decreased in size (phase one of two) |
2022-02-03 | 14 | LAT SAA boundary decreased in size (phase two of two) |
2009-07-09 | 1 | 39 degree rocking angle profile started |
2009-09-03 | 2 | Rocking angle profile changed to 50 degrees |
2016-01-01 | 8 | GBM automated GRB localizations with RoboBA |
2016-03-03 | 8 | GBM BGO detector calibration |
2018-01-12 | 10 | GBM began delivering localization map in healpix format |
2019-09-11 | 12 | GBM updated localization systematic uncertainty in healpix maps |
2010-07-20 | 2 | GBM updated SAA boundaries |
2017-07-17 | 9 | GBM began distributing subthreshold transient GCN |
2022-08-05 | 14 | 3-year mission extension approved by NASA (PDF) |
2022-08-18 | 15 | AO 15 started |
2023-08-17 | 16 | AO 16 started |
2024-08-15 | 17 | AO 17 started |
2024-12-16 | 17 | LAT offline due to misconfiguration |
2024-12-19 | 17 | LAT operations resume |