Simulation of Quiet‐Sun Waves in the CaiiInfrared Triplet | Zendy

A. Pietarila | Zendy; H. SocasNavarro | Zendy; Thomas J. Bogdan | Zendy; M. Carlsson | Zendy; R. F. Stein | Zendy

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Simulation of Quiet‐Sun Waves in the CaiiInfrared Triplet

Author(s) -

A. Pietarila,

H. SocasNavarro,

Thomas J. Bogdan,

M. Carlsson,

R. F. Stein

Publication year - 2006

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 - 10.1086/500240

Subject(s) - infrared , quiet , physics , spectral line , radiation , computational physics , astrophysics , optics , astronomy

The Ca II infrared triplet around 8540 A is a good candidate for observingchromospheric magnetism. We show results from combining a radiationhydrodynamic simulation with a Stokes synthesis code. The simulation showsinteresting time-varying behavior of the Stokes V profiles as waves propagatethrough the lines' formation regions. Disappearing and reappearing lobes in theStokes V profiles as well as profile asymmetries are closely related to theatmospheric velocity gradients.Comment: Submitted to Ap

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