Photospheric flows measured with TRACE

Details Photospheric flows measured with TRACE Photospheric flows measured with TRACE

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...387..672k&link_type=abstract

Astronomy and Astrophysics, v.387, p.672-677 (2002)

Astronomy and Astrophysics

Astrophysics

12

Sun: Photosphere, Sun: Chromosphere, Sun: Granulation

Scientific paper

We analyse white-light image sequences taken with the Transition Region and Coronal Explorer (TRACE) using an optimised local correlation tracking (LCT) method to measure the horizontal flows in the quiet solar photosphere with high spatial (1 arcsec) and temporal (5 min) resolution. Simultaneously taken near-ultraviolet images from TRACE confirm that our LCT-determined flows recover the actual supergranulation pattern, thus proving that the topology of the horizontal flow distribution and network assembly may be studied from long-duration TRACE white-light sequences with our method.

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