Bright Points in the Internetwork Quiet Sun | Zendy

J. Sánchez Alméida | Zendy; I. Márquez | Zendy; José Bonet | Zendy; I. Domínguez Cerdeña | Zendy; R. Müller | Zendy

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Bright Points in the Internetwork Quiet Sun

Author(s) -

J. Sánchez Alméida,

I. Márquez,

José Bonet,

I. Domínguez Cerdeña,

R. Müller

Publication year - 2004

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/422752

Subject(s) - physics , quiet , astrophysics , magnetism , resolution (logic) , astronomy , condensed matter physics , computer science , artificial intelligence

High resolution G-band images of the interior of a supergranulation cell showubiquitous Bright Points (some 0.3 BPs per Mm^2). They are located inintergranular lanes and often form chains of elongated blobs whose smallestdimension is at the resolution limit (135 km on the Sun). Most of them live fora few minutes, having peak intensities from 0.8 to 1.8 times the meanphotospheric intensity. These BPs are probably tracing intense magneticconcentrations, whose existence has been inferred in spectro-polarimetricmeasurements. Our finding provides a new convenient tool for the study of theinter-network magnetism, so far restricted to the interpretation weakpolarimetric signals.Comment: To appear in ApJL. 4 pages, 4 figure

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