P
Philip C. Keenan
1908
6 works on record
Works

Abundance effects in classification
The line spectrum of R Coronae Borealis, [lambda][lambda] 3700-8600 Å
The line spectrum of R Coronae Borealis, [lambda][lambda] 3700-8600 Å
The Chilean National Observatory, 1852-1965
The Chilean National Observatory, 1852-1965
The Chilean National Astronomical Observatory (1852-1965)
The Chilean National Astronomical Observatory (1852-1965)
An atlas of spectra of the cooler stars
An atlas of spectra of the cooler stars
Studies of the emission lines in the spectrum of the solar chromosphere ..
Studies of the emission lines in the spectrum of the solar chromosphere ..