Popular Astronomy, Volume 58Goodsell Observatory of Carleton College, 1950 |
From inside the book
Results 1-3 of 13
Page 428
... absolute- magnitude determination . The method , however , has wide application . Relation ( 1 ) holds for stars of any apparent magnitude , m , provided only that the apparent magnitudes are inappreciably affected by inter- stellar ...
... absolute- magnitude determination . The method , however , has wide application . Relation ( 1 ) holds for stars of any apparent magnitude , m , provided only that the apparent magnitudes are inappreciably affected by inter- stellar ...
Page 497
... absolute magnitudes ( defined as the apparent magnitudes corresponding to a fixed parallax of 0 " .1 ) from both the trigonometric and proper - motion parallaxes . These showed nearly linear relations with the spectral line - intensity ...
... absolute magnitudes ( defined as the apparent magnitudes corresponding to a fixed parallax of 0 " .1 ) from both the trigonometric and proper - motion parallaxes . These showed nearly linear relations with the spectral line - intensity ...
Page 501
method for ascertaining absolute magnitudes from simple visual in- spection of line quality was not accorded general acclaim . There was some question as to the extent to which the apparent haziness of the lines might depend upon plate ...
method for ascertaining absolute magnitudes from simple visual in- spection of line quality was not accorded general acclaim . There was some question as to the extent to which the apparent haziness of the lines might depend upon plate ...
Contents
FR SECCHI AND STELLAR SPECTRA MARTIN F MCCARTHY S J | 153 |
STRUCTURE AND COMPOSITION OF CANYON DIABLO | 169 |
RADIO WHISTLES SIDNEY VAN DEN BERGH | 177 |
14 other sections not shown
Other editions - View all
Common terms and phrases
AAVSO absolute magnitudes absorption Adams American angle appeared Arizona Astronomical Society atmosphere August Barringer Meteorite Crater bright California Canyon Diablo circle classification College comet coördinates curve density Department of Astronomy determined diameter Diedrich Director dome earth eclipse equator Greenwich Harvard Harvard College Observatory Hertzsprung Holden instrument interest iron July June Jupiter latitude Lick Observatory lines luminosity mass maximum meeting meteor Meteoritic Falls Meteoritical Society Mexico minor planets moon motion Mount Wilson mountain Museum node Notes Nova observed OCCULTATIONS VISIBLE paper parallaxes photographic plates present President Professor radial velocity radiation recent refractor Rosebrugh Russell Saturn Schmidt schreibersite Secchi servatory shows solar specimens spectra spectral class spectroscopic spectrum SS Cygni stellar Sunspot surface Taur tektites telescope temperature theory tion University Variable Star velocity VISIBLE IN LONGITUDE Yerkes Yerkes Observatory