Home » Solar Instruments » NSO/SOLIS Vector Spectromagnetograph
NSO/SOLIS Vector Spectromagnetograph
STATUS
PI Instrument
AVAILABILITY
Observations started August 2003 and continue to present on daily basis.
REQUEST PROCEDURE
Data available at Web site. Future observation requests by Observing Time Request made to NSO. For urgent observations, contact chenney@nso.edu.
Solar Instruments
Full solar disk spectropolarimeter located on Kitt Peak, AZ. Produces maps of photospheric longitudinal and vector magnetic field and chromospheric longitudinal magnetic field. Also, spectral images using the 1083 nm He I line.
CONTACT
Jack Harvey
NSO
950 N. Cherry Ave. Tucson, AZ 85719
520/318-8337
jharvey@noao.edu
SPECIFICATIONS
Spectral Range630.2, 854.2, 1083.0 nm
Spectral Resolution200,000
Spatial Coverage and Resolution1.1 arcsec pixels; full solar disk
Temporal Resolutionobservation dependent; 92 fps camera rate
Data Accuracyobservation dependent; nominal < 1 G
Data Precisionobservation dependent; nominal < 1 G
Physical ObservablesStokes polarimetric spectra
Derived OutputsPhotospheric longitudinal and vector magnetic field. Chromospheric longitudinal magnetic field. Doppler shift, continuum intensity and line fit parameters also recorded.
Concurrence OpportunitiesFlexible scheduling to support other observations on request.
Expected Lifetime2028
Location or OrbitKitt Peak, AZ; N 31 57' 30" W 111 35' 30"
Capability SummaryMagnetic field maps of full solar disk in less than 40 minutes.
Schedulingdaily; 1400 - 2500 UT depending on season
Archival DataReduced maps archived on disk and LTO tape.
Number of UsersNot available
Planned UpgradesVector chromospheric magnetic field. Extension to 3 station global network in planning stage.
Sub-InstrumentsN/A
Data ProductsN/A
University FacilityYes
National Ground BasedYes
SatelliteNo
Virtual ArchiveYes
REFERENCES
Keller, C.U., Harvey, J.W., Giampapa, M.S. 2003, Proc. SPIE 4853, 194.
REMARKS
Data reduction pipeline still in developmental stage.
UPDATED ON
22 Sep 2009 16:21