Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...270l..89c&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 270, July 15, 1983, p. L89-L93.
Astronomy and Astrophysics
Astronomy
46
Fine Structure, Solar Spectra, Spectroheliographs, Ultraviolet Astronomy, Brightness Temperature, Chromosphere, Far Ultraviolet Radiation, Rocket Flight, Rocket-Borne Instruments, Solar Limb
Scientific paper
High spatial resolution spectroheliograms of the 1600 A region obtained during the HRTS rocket flight of 1978 February 13 are presented. The morphology, fine structure, and temporal behavior of emission bright points (BPs) in active and quiet regions are illustrated. In quiet regions, network elements persist as morphological units, although individual BPs may vary in intensity while usually lasting the flight duration. In cell centers, the BPs are highly variable on a 1 minute time scale. BPs in plages remain more constant in brightness over the observing sequence. BPs cover less than 4 percent of the quiet surface. The lifetime and degree of packing of BPs vary with the local strength of the magnetic field.
Bartoe John-David F.
Brueckner Guenter E.
Cook William J.
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