The velocity distribution of solar photospheric magnetic bright points Keys, PH, Mathioudakis, M, Jess, DB, Shelyag, Sergiy, Crockett, PJ, Christian, DJ and Keenan, FP 2011, The velocity distribution of solar photospheric magnetic bright points, Astrophysical journal letters, vol. 740, no. 2, pp. 1-5, doi: 10.1088/2041-8205/740/2/L40. Attached Files Name Description MIMEType Size Downloads Title The velocity distribution of solar photospheric magnetic bright points Author(s) Keys, PH Mathioudakis, M Jess, DB Shelyag, Sergiy orcid.org/0000-0002-6436-9347 Crockett, PJ Christian, DJ Keenan, FP Journal name Astrophysical journal letters Volume number 740 Issue number 2 Article ID L40 Start page 1 End page 5 Total pages 5 Publisher IOP Publishing Place of publication Bristol, Eng. Publication date 2011-10-20 ISSN 2041-8205 2041-8213 Keyword(s) sun: activity sun: evolution sun: photosphere science & technology physical sciences astronomy & astrophysics Summary We use high spatial resolution observations and numerical simulations to study the velocity distribution of solar photospheric magnetic bright points. The observations were obtained with the Rapid Oscillations in the Solar Atmosphere instrument at the Dunn Solar Telescope, while the numerical simulations were undertaken with the MURaM code for average magnetic fields of 200G and 400G. We implemented an automated bright point detection and tracking algorithm on the data set and studied the subsequent velocity characteristics of over 6000 structures, finding an average velocity of approximately 1kms-1, with maximum values of 7kms-1. Furthermore, merging magnetic bright points were found to have considerably higher velocities, and significantly longer lifetimes, than isolated structures. By implementing a new and novel technique, we were able to estimate the background magnetic flux of our observational data, which is consistent with a field strength of 400G. Language eng DOI 10.1088/2041-8205/740/2/L40 Field of Research 0201 Astronomical And Space Sciences HERDC Research category C1.1 Refereed article in a scholarly journal Copyright notice ©2011, The American Astronomical Society Persistent URL http://hdl.handle.net/10536/DRO/DU:30114962 Document type: Journal Article Collections: Faculty of Science, Engineering and Built Environment School of Information Technology Related Links Link Description Connect to published version Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Fri, 02 Nov 2018, 14:17:00 EST Sat, 03 Nov 2018, 04:06:16 EST Sat, 17 Nov 2018, 01:30:42 EST Tue, 04 Dec 2018, 13:34:58 EST Tue, 04 Dec 2018, 13:37:57 EST Tue, 04 Dec 2018, 13:38:42 EST Sun, 08 Dec 2019, 14:35:32 EST Sat, 27 Feb 2021, 14:35:40 EST Filtered Full Citation counts:   Cited 39 times in TR Web of Science Cited 35 times in Scopus Search Google Scholar Access Statistics: 209 Abstract Views, 2 File Downloads  -  Detailed Statistics Created: Fri, 02 Nov 2018, 14:17:00 EST

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