C 4 fluxes from the sun as a star and the correlation with magnetic flux

Details C 4 fluxes from the sun as a star and the correlation with magnetic flux C 4 fluxes from the sun as a star and the correlation with magnetic flux

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jila.reptq....s&link_type=abstract

Final Report Joint Inst. for Lab. Astrophysics, Boulder, CO.

Astronomy and Astrophysics

Astrophysics

Distribution Functions, Faculae, Magnetic Flux, Spectrum Analysis, Line Spectra, Solar Maximum Mission, Spectroheliographs, Ultraviolet Spectroscopy, X Ray Spectra

Scientific paper

A total of 144 C 4 wavelength 1548 SMM-UVSP spectroheliograms of solar plages were analyzed, some of which are series of exposures of the same region on the same day. Also analyzed were C 4 wavelength 1551 rasters of plages and C 4 1548 rasters of the quiet sun. The sample contains data on 17 different plages, observed on 50 different days. The center-to-limb variations of the active regions show that the optical thickness effects in the C 4 wavelength 1548 line can be neglected in the conversion from intensity to flux density. As expected for the nearly optically thin situation, the C 4 1548 line is twice as bright as the C 4 wavelength 1551 line. The average C 4 wavelength 1548 flux density for a quiet is 2700 erg/cm/s and, with surprisingly little scatter, 18,000 erg/cm/s for plages. The intensity histograms of rasters obtained at disk centers can be separated into characteristic plage and quiet-sun contributions with variable relative filling factors. The disk-averaged flux density in the C 4 doublet and the disk-averaged magnitude of the magnetic flux density are related. The relationship between the C 4 and magnetic flux densities for spatially resolved data is inferred to be almost the same, with only an additional factor of order unity in the constant of proportionality.

Affiliated with

Also associated with

No associations

Rating

C 4 fluxes from the sun as a star and the correlation with magnetic flux does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with C 4 fluxes from the sun as a star and the correlation with magnetic flux, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and C 4 fluxes from the sun as a star and the correlation with magnetic flux will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1694950