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	Henry Draper Catalogue: Definition and Links by Encyclopedian.com (Site not responding. Last check: 2007-09-04)
		HD / HDE The Henry Draper Catalogue was published in the period 1918 - 1924.
		The catalogue was first published between 1918 and 1924 by Annie Jump Cannon[?] and her co-workers at Harvard College Observatory[?] under the supervision of Edward C. Pickering[?], and was named in honour of Henry Draper[?], whose widow donated the money required to finance it.
		The catalogue covers the whole sky and is notable as the first large-scale attempt to catalogue spectral types of stars.
	www.encyclopedian.com /he/Henry-Draper-catalogue.html (340 words)

	tScholars.com \| Henry Draper Catalogue
		The Henry Draper Catalogue is an astronomy catalogue with astrometric and spectroscopic data about more than 225,000 of the brightest stars visible from the northern hemisphere.
		It was compiled by Annie Jump Cannon and her female co-workers at Harvard College Observatory under the supervision of Edward C. Pickering, and was named in honour of Henry Draper, whose widow donated the money required to finance it.
		The catalogue opened the systematic study of star's emmisions which led to the correct ordering of stars by spectral sequence which implies a star's luminosity which gives us the Hertzsprung-Russell diagram.
	www.tscholars.com /encyclopedia/Henry_Draper_Catalog (296 words)

	Henry Draper Catalogue (HD)
		A catalogue of the spectral types and positions of 225,300 stars, down to about magnitude 8, compiled by Annie Jump Cannon and her coworkers at Harvard College Observatory between 1918 and 1924 and named in honor of Henry Draper, whose widow donated the money needed to finance it.
		Stars numbered 1 to 225300 are from the original catalogue and are numbered in order of right ascension for 1900.0.
		Stars in the range 225301 to 359083 are from the Henry Draper Extension (HDE), published in 1925-1936 and 1949.
	www.daviddarling.info /encyclopedia/H/Henry_Draper_Catalogue.html (201 words)

	The Open Door Web Site : History of Science and Technology : Henry Draper
		Henry Draper finished his undergraduate degree at NYU in 1857 but, being only twenty, he was too young to graduate officially, so he took a “gap” year and travelled to Ireland.
		Draper was determined to put his knowledge of photography to use in the context of astronomy.
		Draper was not a full-time astronomer; he was also a doctor in Bellevue Hospital, New York for eighteen months before joining the NYU teaching staff in 1860 as professor of physiology.
	www.saburchill.com /HOS/astronomy/033.html (545 words)

	Draper, Henry (1837-1882)
		The son of John William Draper, he trained to be a medical doctor but, because he completed all of his medical courses at New York University by the age of 20, he traveled in Europe for a year until he was old enough to graduate.
		By 1873 he had produced a spectrograph that was similar to the visual spectroscope of William Huggins; he clarified the spectral lines by using a slit and incorporating a reference spectra so that elements could be identified more easily.
		The Harvard project, named the Henry Draper Catalogue, completed in 1897, resulted in the first comprehensive classification of stars according to their spectra.
	www.daviddarling.info /encyclopedia/D/Draper_Henry.html (364 words)

	Draper, Henry (Site not responding. Last check: 2007-09-04)
		His work is commemorated by the Henry Draper Catalogue of stellar spectral types.
		Draper was born in Virginia and studied medicine at the University of the City of New York.
		This project was funded by Draper's legacy and the result was the Henry Draper Catalogue.
	www.cartage.org.lb /en/themes/Biographies/MainBiographies/D/Draper/1.html (182 words)

	HD
		The intent was to prepare and archive the catalogue in essentially original form, except for the correction of major errors and the identification of duplicate entries (where the same star has been assigned more than one HD number).
		The positions in the latter catalogues were used in a least squares solution to obtain the transformation from X, Y to equatorial coordinates.
		Rogers W.A., 1892, Catalogue of 8627 Stars between 49°50' and 55°10' of North Declination in 1855.0 for the epoch 1875.0 observed with the meridian circle during the years 1870 to 1884, Ann.
	www.to.astro.it /astrometry/Astrometry/DIRA2/DIRA2_doc/HD/HD.HTML (2247 words)

	Henry Draper (1837-1882) (Site not responding. Last check: 2007-09-04)
		John William Draper obtained the first daguerrotype of the Moon in 1840, of the Solar spectrum in 1843.
		Henry Draper studied at the medical school which he finished in 1857 at age 20.
		Henry Draper died in New York on November 20, 1882 of a respiratory ailment at age of only 45.
	www.seds.org /messier/xtra/Bios/draper.html (202 words)

	Lake County Astronomical Society NightTimes (Site not responding. Last check: 2007-09-04)
		Henry Draper was born in Virginia on March 7 1837.
		In 1874 Draper was asked by the US commission to be acting Director of the photographic department to observe the transit of Venus.
		The Harvard project, named the Henry Draper Catalogue, completed in 1897, resulted in a comprehensive classification of stars according to their spectra.
	www.bpccs.com /lcas/Articles/draper.htm (398 words)

	[No title]
		Two sections of The Henry Draper Extension (HDE, Cannon 1924-1936) which include stars between +50 and +55 degrees and between +55 and +60 degrees (HDE 232101-240500) identify stars only by their AG numbers.
		The CP identifications were used to locate these stars in the Yale Zone Catalogues for -60 to -70 degrees (Fallon 1983) and -70 to -90 degrees (Lu 1971).
		Rogers, W. 1892, Catalogue of 8627 Stars between +49 50 and +55 10 of North Declination in 1855.0, Ann.
	www.to.astro.it /astrometry/Astrometry/DIRA2/DIRA2_doc/HD/HD_NSSDC_84-18.TXT (2891 words)

	Annie Jump Cannon: `` Life after The Henry Draper Catalogue.'' (Site not responding. Last check: 2007-09-04)
		For the nine volumes of the catalogue, Cannon classified spectra for 225,300 stars; and in her lifetime, spectra for almost 400,000 stars.
		This work netted her half a dozen honorary degrees, the Draper Medal of the NAS, and numerous other prizes and honors.
		And it proved to take three times as long as he had predicted to complete the publication of all nine volumes of the catalogue by the spring of 1924.
	www.aas.org /publications/baas/v25n2/aas182/abshtml/S8103.html (356 words)

	Amazon.com: "Henry Draper": Key Phrase page (Site not responding. Last check: 2007-09-04)
		L.M. Rutherfurd and Henry Draper were pioneers in the 1860s and 1870s, applying photography to solar and stellar spectroscopy and developing new forms of instrumentation...
		Henry Draper (1837- 82) published the first detailed monograph in English on the construction of reflecting telescopes.
		Henry Draper's career paralleled his father's and carried the analysis of light significantly forward.
	www.amazon.com /phrase/Henry-Draper (578 words)

	Person of the Week: Annie Jump Cannon
		The results of her work appeared in The Henry Draper Catalogue (1918-24) and The Henry Draper Extension (1925-36).
		Cannon was the first woman to be awarded the National Academy of Science's Draper Gold Medal (1931).
		In 1989 another Wellesley alumna, Martha P. Haynes '73, http://www.astro.cornell.edu/people/faculty/haynes.shtml won the Henry Draper Medal for work primarily conducted at the Arecibo Observatory in Puerto Rico.
	www.wellesley.edu /Anniversary/cannon.html (285 words)

	UC researchers' 'planet' discovery an illusion / 'Starspots' cast shadow on other teams' findings
		Two years ago, astronomers in the Bay Area and elsewhere reported discovering the new planet orbiting a star, technically known as HD 192263, which is 65 light-years (390 trillion miles) from Earth.
		Analyzing data from an array of robotic telescopes in Arizona, Henry and his associates measured variations in the brightness of the star.
		Using the telescopes, Henry and his team have shown that the star's brightness varies with a 24-day period as large starspots are carried into and out of view by the star's rotation.
	www.sfgate.com /cgi-bin/article.cgi?file=/c/a/2002/09/04/MN196976.DTL&type=printable (814 words)

	Henry Draper Medal (Site not responding. Last check: 2007-09-04)
		Henry Draper (1837-1882) was Medal to Dr. -Draper", "Presentation of did work...
		Medal of the Rumford Medal distinctions may be mentioned of the Among the other the Franklin Institute of Philadelphia, the Henry Draper Medal of...
		In 1886 he received the first Henry Draper medal that was awarded by the...
	henrydfry.tyypzuge.info (733 words)

	Star catalogue Summary
		It covers the whole sky down to about ninth or tenth magnitude, and is notable as the first large-scale attempt to catalogue spectral types of stars.
		The catalogue was compiled by Annie Jump Cannon and her co-workers at Harvard College Observatory under the supervision of Edward Pickering, and was named in honour of Henry Draper, whose widow donated the money required to finance it.
		The Hipparcos catalogue was compiled from the data gathered by the European Space Agency's astrometric satellite Hipparcos, which was operational from 1989 to 1993.
	www.bookrags.com /Star_catalogue (3712 words)

	Highbeam Encyclopedia - Search Results for catalogue
		This work culminated in the publication of the Henry Draper Catalogue (1924), which lists the spectral classes of...
		Demand for electronic catalogues on CD-ROM is on the rise.
		Plumtree releases new Web Applications Catalogue and governance solution, driving radical openness and applications strategies; Rio Tinto to participate in customer web seminar discussing the solution today.
	www.encyclopedia.com /searchpool.asp?target=catalogue (831 words)

	AGK3 Catalogue
		Cannon, A. (1925-1936), The Henry Draper Extension, Ann.
		The AGK3 Star Catalogue of Positions and Proper Motions North of -2.5 Degrees Declination (hereinafter AGK3) was conceived and planned during discussions between O. Heckmann and D. Brouwer at Hamburg Observatory following the 1952 International Astronomical Union (IAU) General Assembly in Rome.
		Spectral Type from Henry Draper Catalogue (Cannon and Pickering, 1918-1924), its Extension (Cannon, 1925-1936), Schildt (Yale Transactions) or determined by A. Vyssotsky and collaborators at the Leander-McCormick Obs.
	www.cs.wisc.edu /niagara/data/nasa/1061B.xml (1086 words)

	Catalogue: III/135A
		file can be transformed into a f77-compliant program which reads the files making up this catalogue, in two versions: either a f77 program loading whole files into arrays, or a f77-program reading each data file line by line.
		III/135A Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989) ================================================================================ Henry Draper Catalogue and Extension 1 (HD,HDE) Cannon A.J., Pickering E.C.
		Harvard College, 100 Cannon, A.J., and Pickering, E.C. 1918-1924, The Henry Draper Catalogue, Ann.
	cdsweb.u-strasbg.fr /viz-bin/Cat?III/135A (654 words)

	Annie Jump Cannon
		Anna Draper was the widow of Henry Draper.
		Henry wanted to put together a comprehensive star catalog which would include classifications based on stellar spectra.
		From 1911 to 1915, the intense work on the stellar spectra was done and in 1918, the first volumn of the Henry Draper Catalogue was published.
	ephemeris.sjaa.net /0612/f.html (663 words)

	Astronomers D (Site not responding. Last check: 2007-09-04)
		Draper, Henry (1837-1882) - American astronomer who in 1872 became the first person to photograph the spectra of a star (Vega) other than the Sun.
		In 1890 the first Henry Draper Catalogue of stellar spectra was published.
		Dreyer, John Louis Emil (1852-1926) - in 1888 published the New General Catalog of the positions of over 13,000 nebulae, galaxies, and star clusters that can be found in the night sky.
	www.pa.msu.edu /people/horvatin/Astronomers/astronomers_d.htm (171 words)

	-= DECAYING ORBIT A decaying orbit is one in which the orbiting object is slowly spiraling towards the primary. =-
		Moon map map of Mars 2 the true statement: The Henry Draper catalog is a catalog of comets.
		William Henry Draper III is a prominent American businessman, son of William Henry Draper Jr..Father of Timothy C. Draper.Attended Yale with George...
		Henry Draper died in New York on November 20, 1882 of a respiratory...
	www.ineedagents.com /Henry/Henry-Draper.html (1213 words)

	The Rise of Astrophysics
		catalogued the spectra of more than four thousand stars from which he developed a model star classification scheme based on spectral line structure rather than star color.
		From the beginning, the catalogue was intended to serve as a working stellar classification system: structured around a sequence of seventeen categories (A-Q) derived from Secchi's scheme, yet amenable to modification and improvement as additional spectra were recorded.
		Comprised of an extraordinarily large--and continuously growing--sample of stellar spectra, the Draper Catalogue was an ideal subject for the kind of rigorous statistical analysis that Pickering rightly anticipated would lead to new knowledge of the physical and chemical constitution of stars.
	e3.uci.edu /clients/bjbecker/astrophysics.html (12856 words)

	Groups of Astronomical Objects - SKY-MAP
		Stars contained in the catalogue are of medium magnitude, down to about 9m (about 50 times dimmer than the faintest stars visible with the naked eye).
		The Index Catalogue (IC) —also known as the Index Catalogue of Nebulae, the Index Catalogue of Nebulae and Clusters of Stars, IC I, or IC II— is a catalogue of galaxies, nebulae and star clusters that serves as a supplement to the New General Catalogue.
		The original motivation behind the catalogue was that Messier was a comet hunter, and was frustrated by objects which resembled but were not comets.
	server1.sky-map.org /groups?locale=EN (859 words)

	Henry Draper Catalogue and Extension (Site not responding. Last check: 2007-09-04)
		III/135A Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989)
		An updated, corrected, and extended machine-readable version of The Henry Draper Catalogue (HD, Cannon and Pickering 1918-1924) is available with documentation from the Astronomical Data Center (ADC) as of April 1989.
		Cannon, A.J., and Pickering, E.C. 1918-1924, The Henry Draper Catalogue, Ann.
	www.asc.rssi.ru /mdb/stars/3/3135a.htm (423 words)

	Henry Draper - catala
		El 1859 Henry Draper va ser contractat com a personal mèdic del Bellevue Hospital, New York City, i el 1866 va ser el degà de la Facultat de Medicina de la Universitat de Nova York.
		La seva vídua va instaurar el fons commemoratiu de Henry Draper, dotat amb quasi 400.000$, a l'Observatori de Harvard, per finançar la confecció del Henry Draper Catalogue d'espectres estel·lars.
		El Henry Draper Catalogue llista les posicions, magnituds i espectres d'estrelles de la totalitat del cel.
	www.astrogea.org /surveys/Henry_Draper_c.htm (242 words)

	Edward C. Pickering Bibliography
		Sommers-Bausch Observatory, University of Colorado, The Henry Draper Catalogue
		Pickering, Edward C., “The Draper Catalogue of Stellar Spectra, Photographed with the 8-inch Bache Telescope as a Part of the Henry Draper Memorial,” Annals of the Astronomical Observatory of Harvard College, 27, i - vi, 1-388 (1890).
		Pickering, Edward C., “The Spectrum of Zeta Puppis,” Ap.J. Pickering, Edward C., “Revised Harvard Photometry : A Catalogue of the Positions, Photometric Magnitudes and Spectra of 9110 Stars, Mainly of the Magnitude 6.50, and Brighter Observed with the 2 and 4 inch Meridian Photometers,” Annals of the Astronomical Observatory of Harvard College 50 (1908).
	www.phys-astro.sonoma.edu /BruceMedalists/Pickering/PickeringRefs.html (954 words)

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