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Born Prince Edward County, Virginia, USA, 7 March 1837. Died New York, New York, USA, 20 November 1882. Henry Draper, a physician by profession and prominent American amateur astronomer and telescope maker, recorded the first photographic images of the Orion Nebula and of the spectrum of a star (Vega). His name adorns the Henry Draper catalog ...
The Henry Draper (HD) catalogue
Henry Draper was, it is not surprising that at an early age he de-veloped a decided preference for scientific pursuits. The eminence of his father as a teacher, an author, a philosopher, and an investi-gator created about him an atmosphere of scientific culture of the highest tone. To live in contact with this genial and learned man
El Catálogo Henry Draper (HD) es una colección de datos estelares (astrométricos y espectroscópicos) reunidos en un catálogo estelar que contiene más de 225.000 estrellas. En 1949 se publica una ampliación del catálogo ( Henry Draper Catalogue Extension, HDE) con 135.000 estrellas más. El catálogo, publicado por primera vez en 1890 ...
星表名は、アメリカの天体分光学の開拓者、ヘンリー・ドレーパー（H. Draper）にちなんでつけられた。 ヘンリー・ドレーパー未亡人が、 ピッカリング （E.C.Pickering）台長率いる恒星のスペクトル分類の大事業に遺産を寄付したことによりこの名前がついた。
23 de nov. de 2022 · Overview The Henry Draper (HD) Catalog (Cannon and Pickering 1918 - 1924, Ann. Astron. Obs. Harvard College 91 - 99) and its first extension, the Henry Draper Extension (HDE) Catalog (Cannon 1934, Ann. Astron. Obs. Harvard College 100, 1 - 6), provided spectral classification and rough positions for 272,150 stars and has been widely made use of by the astronomical community for over half a ...
3 de sept. de 2021 · John Draper’s son, Henry, also became a physician but shared his father’s passion for astronomy. He studied the construction of telescopes and made several mirrors for reflecting telescopes. In the spring of 1880, the Drapers modified their existing refractor telescope, mounting an 11″ Alvan Clark & Sons achromatic lens in it.
