R
Raymond Smith Dugan
1878 – 1940
4 works on record
Works
Further observations of RT Persei and an attempted explanation of the change in period
Further observations of RT Persei and an attempted explanation of the change in period
A study of certain eclipsing variables for variation of period
A study of certain eclipsing variables for variation of period
Photometric researches
Photometric researches
Astronomy
Astronomy