fermi gamma-ray space telescope users group meeting 16 august, 2013 mission status update
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Fermi Gamma-ray Space Telescope Users Group Meeting 16 August, 2013 Mission Status Update J. McEnery. Some goals for this meeting. Comments and feedback from the users group on: Observation strategies white paper process - PowerPoint PPT PresentationTRANSCRIPT
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Fermi Fermi Gamma-ray Space TelescopeGamma-ray Space Telescope
Users Group MeetingUsers Group Meeting16 August, 201316 August, 2013
Mission Status UpdateMission Status Update
J. McEneryJ. McEnery
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Some goals for this meetingSome goals for this meeting
• Comments and feedback from the users group on:– Observation strategies white paper process
• http://fermi.gsfc.nasa.gov/ssc/proposals/alt_obs/obs_modes.html
• Next steps– GI program
• Outcome after budget adjustment, plans for cycle 7– Senior review
• Of course, comments on suggestions on any aspect of the mission are welcomed!
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Budget StatusBudget Status
• Significant budget reduction in FY2014, somewhat restored in FY2015– Accelerate planned rampdown – take full planned reduction in
2014, rather than over the next 3 years• Reduce FOT, FSSC staffing, decrease engineering support• ~20% decrease in support for instrument teams
– Minimal GI funding in 2014 (originally planned $8M)• Cycle 6 reduced from $8M to $6.8M (factor 5
oversubscription), all funded at end FY13.• Cycle 7 reduced from $8M to $4M, will be funded at
beginning of FY15. Gap between Cycle 6 and Cycle 7 will be ~16 months. Likely to have severe oversubscription rate.
• EPO funding withdrawn from NASA budget in presidents request– 1 person let go– Trying to keep the rest of the group together until the end of the
calendar year in hope that fiscal situation improves
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Mission Status HighlightsMission Status Highlights
• Observatory is operating smoothly• Star Trackers
– Noise in star trackers were causing alerts to the FOT (but not science impacts)• Fixed by lowering operating temperature
• FSSC webpage issues– Short IT security related downtime on some FSSC pages.
• Judy Racusin has been appointed as a new deputy project scientist (joining Liz, Dave and Neil)
• Elizabeth Ferrara is deputy FSSC lead Scientist• Cycle 6 GI program included new VERITAS and Arecibo
opportunities• This week marks 5 year anniversary of science operations
– Celebration next Monday afternoon, open new exhibit at visitor center
– Press release on Aug 22
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Observations summary (since last Observations summary (since last meeting)meeting)
• Almost exclusively in nominal data taking in survey mode• ARRs (2.5 hour autonomous observation in response to GRB)
• ~2 per month
• 1 Target of Opportunity (ToO) observation– Crab nebula
– Nova Del 2013 (today!)
• Nadir observations restarted in Summer 2013• Most have been changed LAT trigger/filter config + point at
Earth Nadir• A small number only change LAT config (i.e. stay in regular sky
survey)• Calibrations/engineering tests (see Steve’s talk for details)
• <24 hours for LAT calibrations
• Some data loss (<6 hours) on Aug 2 due to incorrect planning ephemeris
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High Level Data ReleasesHigh Level Data Releases
• Extended weekly data files now available!• Provided pre-release of P7REP data to allow line studies in
support of observation white paper evaluation• Sciencetools release (see FSSC presentation)• Rmfit release
• In the works (within a month or two)– Revamping LAT GRB summary table– Updated Galactic diffuse model (for P7reprocessed data)– P7 reprocessed data (updated calorimeter calibrations)– GBM localization contours for GRB
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Multiwavelength Analysis workshopsMultiwavelength Analysis workshops
• LIGO-Fermi meeting, March 2013– Hands on analysis workshop between LIGO/VIRGO/GEO
and Fermi-LAT/Fermi-GBM– Tutorials on how to use each other’s data, share how each
collaboration responds to alerts– Very successful - plan to do this again. Continuing to work
on joint analysis projects• Fermi/VERITAS/HAWC, Dec 2013
– Planned to be an analysis workshop– Goal to optimize how we work together
• Joint analysis techniques• Share operations experience etc
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Fermi Summer SchoolFermi Summer School
• Mix of experimental, theory and observational work
• http://fermi.gsfc.nasa.gov/science/mtgs/summerschool/2013/
• Science focus on dark matter
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Fermi Guest InvestigatorsFermi Guest Investigators
• New guest investigators join the program each year• This is a lower limit on number of Fermi users, as it is mostly limited to US
users
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PublicationsPublications
• Fermi papers per year continues to show a rising trend• Citations to Fermi paper are very high – 2nd LAT catalog is most cited 2012
refereed paper in astrophysics.
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PhD Theses using Fermi dataPhD Theses using Fermi data
• The list of PhD theses is still being compiled, so the numbers in the figure above should be considered a lower limit.
>160
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Some outreach itemsSome outreach items
• HQ iPad group working on Fermi with input from Dave Thompson and Toni Venters
• Developing Fermi exhibit for GSFC visitors center• Revamped Fermi/Swift booth at AAS
– Includes set of science pamphlets • Upcoming press activity
– Pulsar feature/podcast– Collision avoidance
• Fermi 5-year launch anniversary– Starting to think about a celebration, ideas/suggestions are
welcome!
• Lots happening in EPO – see Lynn’s talk for details
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Press ReleasesPress Releases
• Neutron star antiglitch
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Press ReleasePress Release
• Fermi discovers shockingly bright burst – GRB130427A
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Press releasePress release
• The day Fermi dodged a 1.5 ton bullet
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Press releasesPress releases
• Fermi's Motion Produces a Study in Spirograph
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Upcoming press releasesUpcoming press releases
• GRB130427A– 5 papers submitted to science magazine: Fermi-LAT, Fermi-
GBM, Swift, Raptor, NuSTAR– Media telecon, possibly followed by google hangout
• Five year anniversary• Variable pulsar in Gamma-Cygni (led by SLAC)
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Questions?Questions?
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backupbackup
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GRB tableGRB table