High-frequency multi-wavelength acoustic power maps

Details High-frequency multi-wavelength acoustic power maps High-frequency multi-wavelength acoustic power maps

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.464..219h&link_type=abstract

In: Proceedings of the SOHO 10/GONG 2000 Workshop: Helio- and asteroseismology at the dawn of the millennium, 2-6 October 2000,

Physics

4

Solar Chromosphere, Acoustic Waves

Scientific paper

Acoustic power maps have been constructed using SOHO/MDI velocity and intensity data in Ni I 6768; NSO High-L Helioseismometer (HLH) Ca K intensity; and Taiwan Oscillation Network (TON) intensity in Ca K. The HLH data provides maps up to a frequency of 11.9 mHz, substantially higher than the usual 8.33 mHz. The Ca K observations show a surprising strong enhancement of power within a sunspot at all temporal frequencies, while the Ni I data show the well-known suppression of power. Tests suggest that this apparent acoustic enhancement is the result of strong intensity gradients observed through terrestrial seeing.

Affiliated with

Also associated with

No associations

Rating

High-frequency multi-wavelength acoustic power maps 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 High-frequency multi-wavelength acoustic power maps, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-frequency multi-wavelength acoustic power maps will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-923493