Physics – Optics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21010003v&link_type=abstract
American Astronomical Society Meeting 210, #100.03; Bulletin of the American Astronomical Society, Vol. 39, p.228
Physics
Optics
Scientific paper
The quiet Sun shows a multitude of fine structure in both the photosphere and chromosphere. Observations with high spatial and temporal resolution are required to study their dynamics. In June 2006, simultaneous broad-band continuum (600 nm) and narrow-band spectroscopic (Hα and Na 589.0 nm) data were obtained of a quiet Sun region near disk center using the Dunn Solar Telescope and high-order adaptive optics at the National Solar Observatory/Sacramento Peak. The time-series of continuum data was restored using the speckle masking technique to achieve almost diffraction-limited resolution across the entire field-of-view (80" by 80"). The spectroscopic data were taken with a two-dimensional spectrometer, which is currently being upgraded for spectro-polarimetry. The Visible-light Imaging Magnetograph (VIM) is a telecentric two-dimensional Fabry-Perot based spectro-polarimeter, which will become one of the first-light instruments of the future 1.6-meter New Solar Telescope (NST) at Big Bear Solar Observatory (BBSO).
This work was supported by NSF under grants ATM 00-86999, ATM 02-36945, IIS ITR 03-24816, and AST MRI 00-79482 and by NASA under grant NAG 5-12782.
Deng Nimao
Denker Carsten
Tritschler Alexandra
Verdoni Angelo
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