Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio...
-
Upload
gretchen-carow -
Category
Documents
-
view
215 -
download
0
Transcript of Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio...
![Page 1: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/1.jpg)
Use of the Frequency Agile Solar Radiotelescope
for Space Weather
Use of the Frequency Agile Solar Radiotelescope
for Space WeatherA New Solar-dedicated Radio
FacilityA New Solar-dedicated Radio
Facility
Dale E. Gary, NJIT; Stephen M. White, U Maryland
![Page 2: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/2.jpg)
Outline of TalkOutline of Talk
What is FASR?• Space Weather
Radiophysics• Timeline• Conclusions
What is FASR?• Space Weather
Radiophysics• Timeline• Conclusions
![Page 3: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/3.jpg)
What is FASR?What is FASR?
• Frequency-Agile Imaging Array Of order 100 antennas (5000 baselines) Better than 1” imaging at 1 s time
resolution Full frequency coverage 0.1-30 GHz
• Designed Specifically for Solar Imaging Full Sun (to at least 12 GHz) Designed for solar spatial scales Designed for solar brightness variability
• Frequency-Agile Imaging Array Of order 100 antennas (5000 baselines) Better than 1” imaging at 1 s time
resolution Full frequency coverage 0.1-30 GHz
• Designed Specifically for Solar Imaging Full Sun (to at least 12 GHz) Designed for solar spatial scales Designed for solar brightness variability
Isaac Gary
![Page 4: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/4.jpg)
FASR Flyover MovieFASR Flyover Movie
Isaac Gary
![Page 5: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/5.jpg)
Outline of TalkOutline of Talk
• What is FASR?Space Weather
Radiophysics• Timeline• Conclusions
• What is FASR?Space Weather
Radiophysics• Timeline• Conclusions
![Page 6: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/6.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
![Page 7: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/7.jpg)
3D View of Solar Atmosphere
3D View of Solar Atmosphere
S. White
![Page 8: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/8.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
• 3D View of Solar Atmosphere
Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
• 3D View of Solar Atmosphere
Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
![Page 9: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/9.jpg)
Coronal Magnetic FieldsCoronal Magnetic Fields
J. Lee
![Page 10: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/10.jpg)
Lee & White
![Page 11: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/11.jpg)
Coronal MagnetogramsCoronal Magnetograms
S. White
![Page 12: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/12.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
• 3D View of Solar Atmosphere
• Coronal Magnetic FieldsSynoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
• 3D View of Solar Atmosphere
• Coronal Magnetic FieldsSynoptic Data• CMEs on the Disk• Eruptive Prominences• Particle Acceleration
![Page 13: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/13.jpg)
Nobeyama 17 GHz synoptic map
Synoptic DataSynoptic Data
From K Shibasaki 1998
![Page 14: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/14.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic DataCMEs on the Disk• Eruptive Prominences• Particle Acceleration
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic DataCMEs on the Disk• Eruptive Prominences• Particle Acceleration
![Page 15: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/15.jpg)
Coronal Mass EjectionsCoronal Mass Ejections
from Bastian et al. 2002
![Page 16: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/16.jpg)
CME Visibility in RadioCME Visibility in Radio• Best frequency to
see thermal emission should be around 1 GHz or less.
• Need very good imaging to see relatively low contrast
• Multi-frequency gives physical parameters.
• Best frequency to see thermal emission should be around 1 GHz or less.
• Need very good imaging to see relatively low contrast
• Multi-frequency gives physical parameters.
from Bastian & Gary 1997
![Page 17: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/17.jpg)
Observed CME SpectrumObserved CME Spectrum
from Bastian et al. 2002
![Page 18: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/18.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the DiskEruptive Prominences• Particle Acceleration
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the DiskEruptive Prominences• Particle Acceleration
![Page 19: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/19.jpg)
Erupting ProminencesErupting Prominences
Gopalswamy et al. 1998
![Page 20: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/20.jpg)
Space Weather Radiophysics
Space Weather Radiophysics
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive ProminencesParticle Acceleration
• 3D View of Solar Atmosphere
• Coronal Magnetic Fields• Synoptic Data• CMEs on the Disk• Eruptive ProminencesParticle Acceleration
![Page 21: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/21.jpg)
Particle AccelerationParticle Acceleration
from Aschwanden et al. 1996
![Page 22: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/22.jpg)
from Aschwanden et al. 1992
Type U bursts observed by Phoenix/ETH and the VLA.
Particle TrajectoriesParticle Trajectories
![Page 23: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/23.jpg)
Outline of TalkOutline of Talk
• What is FASR?• Space Weather
RadiophysicsTimeline• Conclusions
• What is FASR?• Space Weather
RadiophysicsTimeline• Conclusions
![Page 24: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/24.jpg)
Timeline For FASRTimeline For FASR2002-3: Design Study (NSF/ATI)• International Science Definition Workshop
(May 23-25, 2002)
• Configuration studies; Software architecture
• Design options; Costing (Current estimate $30 M)
2004-5: Design and Development• Prototype Major Elements
• Prototype Array (< 10 elements)
• Refine Hardware and Software Design
2005-8: Construction
2002-3: Design Study (NSF/ATI)• International Science Definition Workshop
(May 23-25, 2002)
• Configuration studies; Software architecture
• Design options; Costing (Current estimate $30 M)
2004-5: Design and Development• Prototype Major Elements
• Prototype Array (< 10 elements)
• Refine Hardware and Software Design
2005-8: Construction
![Page 25: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/25.jpg)
Outline of TalkOutline of Talk
• What is FASR?• Space Weather
Radiophysics• TimelineConclusions
• What is FASR?• Space Weather
Radiophysics• TimelineConclusions
![Page 26: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/26.jpg)
ConclusionsConclusionsFASR… • is a solar-dedicated radio array
designed specifically for the Sun• will obtain high-resolution images at
hundreds of frequencies, 0.1-30 GHz• will measure coronal magnetic fields
and make coronal magnetograms• will image CMEs and provide physical
parameters (T, B, ne)
FASR… • is a solar-dedicated radio array
designed specifically for the Sun• will obtain high-resolution images at
hundreds of frequencies, 0.1-30 GHz• will measure coronal magnetic fields
and make coronal magnetograms• will image CMEs and provide physical
parameters (T, B, ne)
![Page 27: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/27.jpg)
ConclusionsConclusionsFASR… • will image thermal and nonthermal
emission simultaneously• will study particle acceleration• will open a new era of study of the
Sun and make new discoveries we cannot predict
FASR… • will image thermal and nonthermal
emission simultaneously• will study particle acceleration• will open a new era of study of the
Sun and make new discoveries we cannot predict
![Page 28: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/28.jpg)
FASR and Space WeatherFASR and Space Weather• Standard observing mode• Daily data products
Coronal magnetograms Coronal temperature maps CME movies (?) Type II, Type III movies
• Input from Space Weather Community What data products are most useful What operational modes are needed What are we missing?
• Standard observing mode• Daily data products
Coronal magnetograms Coronal temperature maps CME movies (?) Type II, Type III movies
• Input from Space Weather Community What data products are most useful What operational modes are needed What are we missing?
![Page 29: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/29.jpg)
![Page 30: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/30.jpg)
Principal Institutions and People
Principal Institutions and People
NJIT D. E. Gary, P. Goode, J. Lee
NRAO T. S. Bastian, J. WebberUMd S. M. White, A. HarrisBerkeley G. J. HurfordLucent L. J. LanzerottiNSO C. Keller
NJIT D. E. Gary, P. Goode, J. Lee
NRAO T. S. Bastian, J. WebberUMd S. M. White, A. HarrisBerkeley G. J. HurfordLucent L. J. LanzerottiNSO C. Keller
![Page 31: Use of the Frequency Agile Solar Radiotelescope for Space Weather A New Solar-dedicated Radio Facility Dale E. Gary, NJIT; Stephen M. White, U Maryland.](https://reader035.fdocuments.in/reader035/viewer/2022062417/551697d4550346f0208b4934/html5/thumbnails/31.jpg)
Nonthermal CME Parameters
Nonthermal CME Parameters
from Bastian & Gary 1997