Dudley Observatory, American Astronomical Society, American Institute of Physics · New York [etc.] American Institute of Physics [etc.] · leaf 277
t;brightness is changing so rapidly. The total indicatedvariation in magnitude is about 0.73, from 11■.24 to11*.97. There; is no pause either at maximum orminimum. It was at first thought that W Ur.sm Mu-joris was an Algol variable with a period of about 4hours, but tlie spectroscope showed that it… … aiial()g\ that its period is probably 5 41.6, and it isthererore of the /3 Lyrce type. Further observationswill l>c made with exposures of 2 or 3 minutes with thestar much less out of focus than on th(> plates alreadyobtained. A full discussion will lie publislunl later.The figure shows the…
Astronomy
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