draper catalog造句

• The name HD 164922 derives directly from the fact that the star is the 164, 922nd star discovered in the Henry Draper catalog.
• It was named for American astronomer Annie Jump Cannon, who classified the spectral types of about 225, 000 stars for the Henry Draper Catalog.
• "' BD-10?166 "'is a K-type main sequence star approximately 218 light-years away in the constellation of Draper catalog ( HD ).
• After his untimely early death from double pleurisy, his widow funded the Henry Draper Medal for outstanding contributions to astrophysics and a telescope, which was used to prepare the Henry Draper Catalog of stellar spectra.
• He also, along with Williamina Fleming and Annie Jump Cannon designed a stellar classification system based on an alphabetic system for spectral classes that was first known as the Harvard Stellar Classification and became the basis for the Henry Draper Catalog.