Space 1

Van Allen Probes SWG Telecon 04 March 2016

• Project news

• In-Person SWG Meeting & Instrument Team Meetings April 12-15 at APL  

• ULF noise reduction at the E-W precession maneuvers (Tom Sotirelis)

• FIREBIRD-II Mission update (Harlan Spence)

• Inner zone electron radial diffusion coefficients - An update with Van Allen Probes MagEIS data (Paul O’Brien)

Space 2

SWG Telecon (Van Allen Probes)Host: Aleksandr Ukhorskiy When it's time, start your meeting from here:https://apl-webex.jhuapl.edu/orion/joinmeeting.do?ED=OM2AR-ZWm41gDUOY2BhaFg==&PW=BgAAAGl2Seok-xOrdxZNIX7ZfB_CMrCMx-1QvO7RG7zNaN0sMsxa1bHJ4f1H_AVLKtwSx6sWGLdx2d6OlJpOYauo-C98 When: Friday, March 4, 2016, 3:00 pm (1 hr), Eastern Standard Time (New York, GMT-05:00). Access Information Meeting Number:992 620 677 Password:RBSP Host Key:870350 (Use this key during the meeting if you ever need to reclaim the host role.) Audio Connection (443)778-1000 (Baltimore, MD) 8-1000 (Internal) (844)275-9323 (Toll Free) (240)228-1000 (Washington, DC)

Access Code: 992 620 677

Dial-in Information (04 March 2016 3:00 EST)

Space 3

Gateway News EFW L3 Data

http://rbspgway.jhuapl.edu/rPlotTime?smr.TWm9In

Takahashi et al. (2015) 10.1002/2015JA021780

Space 4

In-Person SWG & Instrument Team Meeting

April 12 Instrument Team meetings (TBD) April 13-15 SWG meeting (200-E100) Registration via Gateway

http://www.jhuapl.edu/aboutapl/visitor/default.asp

Space 5

Registration for the SWG Meeting

To access the registration page you need to first log in. If you are not a registered user on the Gateway please register (takes only a couple of minutes)

Space 6

Registration for the SWG Meeting

You will not be able to attend the meeting without registration (unless you have a JHU/APL badge). To register click on the following link:

Or go directly to: http://rbspgway.jhuapl.edu/apr_2016_mtg_registration

Space 7

Registration for the SWG Meeting

Registration must be complete by the deadline, April 4, required by APL visitor control

Space 8

In-Person SWG Tentative Themes & Sessions

• Science of close approaches (Oleksiy Agapitov oleksiy.agapitov@gmail.com, John Wygant wygan001@umn.edu)

• Coordination with MMS and THEMIS 1. Magnetopause losses (MMS 1A/B campaigns) (David Sibeck

david.g.sibeck@nasa.gov , I. Cohen ian.Cohen@jhuapl.edu) 2. Mesoscale injections (MMS 1X campaign) (Drew Turner

drew.lawson.turner@gmail.com, Alison Jaynes allison.Jaynes@lasp.colorado.edu, M. Gkioulidou malamati.Gkioulidou@jhuapl.edu)

• Coordination with low-altitude measurements for understanding radiation belt atmospheric losses (Harlan Spence harlan.Spence@unh.edu, Tom Sotirelis tom.sotirelis@jhuapl.edu)

• New science of the inner zone (J. Fennell joseph.fennell@aero.org, G. Reeves reeves@lanl.gov, P. O’Brien paul.OBrien@aero.org)  

• What can we learn about the near-Earth energetic particle processes from coordination with laboratory experiments? (C. Crabtree chris.crabtree@nrl.navy.mil, Sasha Ukhorskiy ukhorskiy@jhuapl.edu)

• Coordination with ERG (Yoshi Miyoshi miyoshi@stelab.nagoya-u.ac.jp, TBD) • General contributions [5-10 min talks] (Tom Sotirelis tom.sotirelis@jhuapl.edu)

Space 9

In-Person SWG

If you would like to get involved with organizing or contribute a talk to any of the sessions please contact session chairs directly and then submit the title of your talk via the Gateway (open for subm. in about a week)

If you would like to contribute a short 5-10 min presentation on a different topic in a general session - you will be able to submit the title of your talk via the Gateway (open for subm. in about a week)

Get involved or contribute a talk

ULFNoiseandE-WPrecessionManeuvers• SpacecraftnutationexcitedbyE-Wprecessionmaneuvers,

causesULFnoiseintheEMFISISMAG

Theamplitudeofthenutationdependssensitivelyonwhenthemaneuverends.

• ModelresultsbyUdayShankar• Theredarrowsindicatetheendofthemaneuverinthemodel• Endingthemaneuveratanodegreatlyreducestheresidualmotion

ThreeManeuvers2015/09/30

2016/01/07

2016/01/28

Residualnutation

accidentallylarge

Residualnutation

accidentallysmall

Residualnutation

intentionallyminimized:

Success!

ResultsandOutlook

• 2016/01/28maneuverwastruncatedby~8pulses,basedonthismodeling

• ULFnoisewassuccessfullyreduced• AllfutureE-Wmaneuverswillusethistechnique• WeplantotrymodelingoutthismotionforpastE-W

maneuvers• N-Smaneuvershavebeendiscontinued• N-Smaneuversexcitedifferentmodes,andwerelessfrequent,

sowearenotplanningtotrymodelingtheseout