IHY Workshop February 2005 Eberhard Mbius, UNH SSC

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Heliosphere Cosmic Ray Working Group

• Eberhard Möbiuswith Gary Zank, Justin Kasper,
  Charles Smith, Hans-Reinhard Müller
• MottoWe try to understand our Home Systemand
  stick our head beyond.

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Why Bother?
To Understand the Environment forour Space
Weatherand our First Shield
The OnlyShield forAstronautsto Moon
Mars!PotentiallyDangerousEnvironment
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Sun and Heliosphere Responsible for Our Space
Weather

• Why are we vulnerable?

• Space Weather Forecast todaylike Weather
  Forecastat the Beginning of the 20th Century!

• We need to understand the root cause

• We need to understand all shields

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Why Bother?
The Sun is a Typical Star(the only one with a
close-up view) LISM is Original Star Stuff
Other Stars Have Astrospheres
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Astrospheres
Interstellar Gas Flow
LL Orionis
BZ Camelopardis
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If We Could See Our Heliospherefrom Outside
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Why Bother?
Sticking ourHead out of theHeliosphere
is Explorationat its Best!
No Exploration HasEver Come Back Without
NewExciting Discoveries!
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Goals

• Carry out the Message (and Connect)!
  Heliospheric Science contributes to wider
  community (Astronomy Solar System
  exploration) Heliospheric Science is about
  Exploration Cosmic Rays are Messengers of
  Acceleration, Fundamental Processes,
  another Matter Sample The Heliosphere with
  its Exclusion and Modulation is the First
  Shield the Only One for Mars-Astronauts
• Understand Our Home System from the Sun to
  its Boundary with the Interstellar Medium
  Including the Entering Cosmic Rays

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How to Do It?

• We Are in Good Shape for IHY! - Currently We
  Have a Fleet of Spacecraft Partially Solar
  Heliospheric ACE, SOHO, Ulysses, Wind
  Partially other goals Voyagers, IMAGE, SAMPEX
  -gt Great Heliospheric Observatory To Be
  Joined by STEREO IBEX STEREO adds Stereo
  View of Solar Source IBEX adds 3D View of
  Heliospheric Boundary
• - Modelling Effort is Going Strong
  MHD, Multi-Fluid and Kinetic Models Adding 3D
  and Time Dependence

Newest Kidon the Block
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What Would We See,if We Had Giordis Visor?

• Wed See a Bright Spot of Atoms Flowing into our
  Visor, Like a Spotlight

We Learn aboutLISM Speed,Temperature
Filtering at the Boundary
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What Else Would We See,if We Had Giordis Visor?

• Wed See a Dim Glow of Atoms Trickling into our
  Visor

We Learn aboutHeating andAcceleration at
theTermination Shock
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How to Do It?

• We Are in Good Shape for IHY!
• - Currently We Have a Fleet of Spacecraft
  -gt Great Heliospheric Observatory To Be
  Joined by STEREO IBEX But New Threats to
  MODA for e.g. Voyager Ulysses Can Jeopardize
  the Observatory!-gt Maintain Our Great
  Observatory!!
• - Modelling Effort is Going StrongBut
  Combination of MHD Neutrals in 3D needed
  No Heliospheric Group in ST Theory Program!-gt
  Maintain Strengthen Support for Modeling
  Efforts!!

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Heliosphere Cosmic Ray GroupCompiled Questions
Campaigns

• Provide Consistent View of the 3D Heliosphere

3Do i
3Do i
3Do, TS
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Heliosphere Cosmic Ray GroupCompiled Questions
Campaigns

• First Shield against GCRs

3Do i
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Heliosphere Cosmic Ray GroupCompiled Questions
Campaigns

• Universal Processes

3Di
3Di CS
3Dio
3Doi
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Campaigns

• 3D-Heliosphere at the A- Solar Minimum (1 AU -
  VLISM) (3Do) (E.M., C.S., )
• 3D-Heliosphere at the A- Solar Minimum (Sun - 2
  AU) (3Di) (J.K.
• Comparative interplanetary shock study (CS)
  (planetary, comet, interplanetary, Termination,
  )
• Study of the Heliosphere near the Termination
  Shock (TS)
• Intercalibration of SW observations (SWI)
  (J.R.) (consolidate distribution
  functions make the data available!

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How to get the I into IHY?
Small Distributed Observatories
1) Neutron Monitors (make use of all around the
world, fill gaps stability of neutron monitors)
(John B. Cliff L.) 2) µ-monitors 30
GeV 100k (John B.) 3) Low
Frequency Radio Observatories (also EPO) (Justin
K.) 4) InterPlanetary Scintillation (IPS) 1, 2,
3, 4) encourage other countries to invest in
order to get into front line research assistance
with blueprints and funds for workshops etc.
possible3) PI projects with placing units in
other countries
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A Few Concrete Steps

• White Paper about Synergism and Relevance of
  Heliosphere-LISM Exploration
• Science Closure Matrix towards Campaigns
• ISSI is Interested in a Workshop in 2007 on
  Heliosphere to the Local Bubble title TBD
• Breakfast Conversation with Alex YoungIn
  addition to Universal Processes
  stressUniversal Techniques e.g. Image
  Processing

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Whats the Plan?

• Lets Get the Campaigns Straight!Rudimentary
  Closure Matrix Outline Exist
• Get the Support to Keep the Observatory
  Going!Timing of STEREO IBEX perfect, but
  Synergism!!
• STEREO Launch 2006 IBEX 2008

Ready for2007/08 is the International
Heliophysical Year (IHY)
1957/58 was the International Geophysical Year
(IGY)
Back then, We Stuck Our Head Above the Atmosphere
Now, We Will Stick Our Head Out of the
Heliosphere