Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 23
... minimum by starting possibly a few hours before the time of predicted minimum and continuing for some time after it . But an error of an hour might be serious in the second case , and such errors have been mentioned , we find . From ...
... minimum by starting possibly a few hours before the time of predicted minimum and continuing for some time after it . But an error of an hour might be serious in the second case , and such errors have been mentioned , we find . From ...
Page 100
... minimum and also on the ratio of the rate of ascent to that of descent . " A " type indicated those variables having a wider maximum than minimum , " B " those with maximum and minimum of equal width , and " C " those with narrower ...
... minimum and also on the ratio of the rate of ascent to that of descent . " A " type indicated those variables having a wider maximum than minimum , " B " those with maximum and minimum of equal width , and " C " those with narrower ...
Page 101
... minimum ; and greater , maximum broader than minimum . The accompanying table gives the deduced data for the 25 variables here dis- cussed . Columns 1 and 2 give the designation and name of the variable , column 3 the number of ...
... minimum ; and greater , maximum broader than minimum . The accompanying table gives the deduced data for the 25 variables here dis- cussed . Columns 1 and 2 give the designation and name of the variable , column 3 the number of ...
Contents
Bolide observed A bright 451 | 114 |
STELLAR DISTANCES FREDERICK SLOCUM | 117 |
METEORITIC FOSSILS BEN HUR WILSON | 125 |
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absolute magnitude American American Astronomical Society American Meteor Society angle appeared Astronomical Society atmosphere average azimuth changes College comets constellation craters Cygni diameter direction distance earth eclipse end point ephemeris errors fireball galactic galaxies given height horizon indicated instruments July June Jupiter latitude Lick Observatory light curve longitude luminosity lunar Mare Imbrium Mars maxima maximum mean measured meridian meteor meteorite method miles minimum moon motion nebulae Notes novae object observations Observatory obtained OCCULTATIONS Ohio orbit paper parallax path perihelion phenomena photographs planet POPULAR ASTRONOMY position predicted present probably problem projectile radiation region reports rotation seen solar spectra spectral type spectrum SS Cygni stellar sunspot surface Table telescope tion train University Variable Star variation velocity Venus visible Yerkes Observatory zenith Zodiacal Light