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Proposal ID Gary_67

Date of Proposal
97/01/26

firstname
Dale

lastname
Gary

institute
Caltech

address
Solar Astronomy 264-33
Caltech
Pasadena, CA 91125

email
dgary@umbra.caltech.edu

phone
(818) 395-3863

fax
(818) 395-3814

proposal
I am studying coronal holes with Nobeyama
data (17 GHz full-disk radio images). These are the best ever
Nobeyama images, because I am using full synthesis imaging over a long
time range instead of the usual Nobeyama technique of 1 second/image.
For the quiet Sun this pays big dividends.

To do a proper comparison I would like to get EIT images as close in
time as possible to my images (I can do shorter time-integrations near
the exact times of images and look for real solar variations if I have
several EIT images say, 1 h apart). Nobeyama takes data essentially
every day, so theoretically I can look at almost any date, but right now
I have data for 1996 Mar 19, Jul 06, and Aug 11, so those are the dates
I have the most immediate interest in. I would love to find a day with
a nice coronal hole on the disk--maybe you can suggest one?

inside_collab
Joe Gurman

consortium
no

topic
Coronal Holes

topic

title
Microwave brightening of solar coronal holes with Nobeyama data


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