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On the need for space observations of the umbra/photosphere intensity ratio

✍ Scribed by F. Albregtsen; P. Maltby

Book ID
104643785
Publisher
Springer
Year
1981
Tongue
English
Weight
250 KB
Volume
74
Category
Article
ISSN
0038-0938

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✦ Synopsis

We draw attention to the possibility of distinguishing between different sunspot theories by observing: (i) The umbra/photosphere intensity ratio as a function of spot size and (ii) the morphology and time evolution of sunspot inbomogeneities such as umbral dots. In arguing the need for space observations of sunspot intensities we discuss the corrections for stray light for ground based and space observations.

The opportunity to use the November 13, 1986 Mercury transit as an in situ calibration event is pointed out.

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