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On the structure of galaxies according to photometric studies

Published online by Cambridge University Press:  27 June 2016

D. E. Shchegolev
D. E. Shchegolev*
Affiliation:
Pulkovo Observatory, U.S.S.R.

Extract

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The colours and brightnesses of various details about 12″ or larger in diameter were measured on photographs taken in the two wave-lengths 4360 Å and 6100 Å, of the spiral galaxies: NGC 224, 598, 3031, 3623, 3627, 3628, 4192, 4217, 4254, 4258, 4321, 4565, 4631, 5194, and 5457. The plates were taken with the 500 mm meniscus astrograph at the Kazakhstan High Altitude Observatory near Alma-Ata. Extra-focal stellar images taken with a ‘two storied plate holder’ were used for standardizing.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 5: The Large-Scale Structure of the Galactic System , 1958 , pp. 67 - 68
Copyright
Copyright © Cambridge University Press 1958