Bibcode
DOI
González Hernández, J. I.; Patrón, J.; Bogart, R. S.; SOI Ring Diagram Team
Bibliographical reference
The Astrophysical Journal, Volume 510, Issue 2, pp. L153-L156.
Advertised on:
1
1999
Journal
Citations
48
Refereed citations
34
Description
In order to search for meridional circulation in the solar envelope, we
have applied ring diagram analysis to a set of small regions over the
surface. The helioseismic data consist of Solar Oscillation
Investigation/Michelson Doppler Imager Dopplergrams taken over a time
span of about 50 hr (~3000 images) on 1998 June 20-22. The regions
studied cover 115 deg in latitude centered on the equator and 30 deg in
longitude. We find poleward flows between r/ R_solar=0.97 and the
surface. There is no evidence in this depth range for the return path of
these meridional flows. The temporal stability of these flows will be
discussed after the analysis of a synoptic map obtained using the same
technique.