✦ LIBER ✦

The intensity of the penumbra of large sunspots

✍ Scribed by P. Maltby; N. Mykland

Publisher: Springer
Year: 1969
Tongue: English
Weight: 359 KB
Volume: 8
Category: Article
ISSN: 0038-0938
DOI: 10.1007/bf00150654

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✦ Synopsis

Simultaneous photoelectric observations of sunspot penumbrae at 5790, 6690, 8760 and 16700~ are presented. No change in penumbral intensity from spot to spot is found in a sample of 11 large sunspots.

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