Physics – Optics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21010002d&link_type=abstract
American Astronomical Society Meeting 210, #100.02; Bulletin of the American Astronomical Society, Vol. 39, p.227
Physics
Optics
Scientific paper
In preparation for the future 1.6-meter New Solar Telescope (NST) at Big Bear Solar Observatory, a suite of instruments has been developed for observations with high-spatial and high-temporal resolution. Two of these instruments, a fast CCD camera system for image restoration and the Visible-light Imaging Magnetograph (VIM), were moved to the National Solar Observatory/Sacramento Peak, while NST is under construction. In this study, we report results of observations obtained with the high-order adaptive optics system at the Dunn Solar Telescope on 2006 June 10. We observed active region NOAA 10892 in broad-band continuum (600 nm) and in the chromsopheric lines (Hα and Na D2). We obtained photospheric and chromospheric flow fields based on local correlation tracking and Doppler measurements and discuss them in the context of sunspot fine-structure.
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
Naqvi M.
Tritschler Alexandra
Verdoni Angelo P.
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