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Active Region Evolution Through Coordinated Observations

Published online by Cambridge University Press:  12 April 2016

N. Mein ,
P. Mein ,
B. Schmieder ,
O. Engvold ,
R. Molowny  and
G.X. Ai
N. Mein
Affiliation:
Observatoire de Paris, Section de Meudon, F92195 Meudon Cedex
P. Mein
Affiliation:
Observatoire de Paris, Section de Meudon, F92195 Meudon Cedex
B. Schmieder
Affiliation:
Observatoire de Paris, Section de Meudon, F92195 Meudon Cedex
O. Engvold
Affiliation:
Institute of theoretical astrophysics, PO Box 1029, Blindern, N0315 Oslo, Norway
R. Molowny
Affiliation:
Institute of theoretical astrophysics, PO Box 1029, Blindern, N0315 Oslo, Norway
G.X. Ai
Affiliation:
Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing, 100080, P.R. China

Extract

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On May 7, 1991, several ground-based instruments have been coordinated to observe AR 6615 (S10-W26), before and during the flight of the SERTS rocket experiment (Schmieder et al.,1992):

  1. – Imaging spectroscopy (MSDP) at the VTT telescope of Tenerife (collaboration Paris-Meudon and KIS Freiburg). Hα and NaD1 are observed simultaneously in 2D fields, with 9 and 11 wavelengths respectively (Mein, 1991).

  2. – High resolution “white light” pictures (around 4686Å) at the Swedish Vacuum Solar Telescope (SVST) of La Palma (Scharmer et al., 1985).

We present below some data from both instruments. Magnetic field maps are also available from the Huairou magnetograph (China), and from the GCT telescope (KIS/Tenerife).

Type
Session 1. Structure of Active Regions
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 63 - 66
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

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