Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 74
... measured . If it were not for the precession a fixed equatorial star having no proper motion would be an ideal refer- ence point . The interval between successive meridian transits of such a star would be a true sidereal day . The ...
... measured . If it were not for the precession a fixed equatorial star having no proper motion would be an ideal refer- ence point . The interval between successive meridian transits of such a star would be a true sidereal day . The ...
Page 535
... measured not at maximum or minimum light , but at some empiri- cally determined intermediate magnitude , not necessarily the mean . To quote Campbell , " A possible correlation has beeen found in the light curves of o Ceti between the ...
... measured not at maximum or minimum light , but at some empiri- cally determined intermediate magnitude , not necessarily the mean . To quote Campbell , " A possible correlation has beeen found in the light curves of o Ceti between the ...
Page 546
... measured at an empirically determined magnitude mw ( same for all cycles ) on the increasing branch of the light curve , is generally followed by a relatively faint maximum , and vice versa , a relatively short cycle thus measured is ...
... measured at an empirically determined magnitude mw ( same for all cycles ) on the increasing branch of the light curve , is generally followed by a relatively faint maximum , and vice versa , a relatively short cycle thus measured is ...
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