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HD 190507


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IUE and other new observations of the slow nova RR Tel
IUE satellite UV spectra of RR Tel covering 1150-3200 A at high and lowdispersion through both large and small apertures are reported, and alist of 431 lines is presented which gives measured wavelength,intensity, and full width at half maximum. Over three-quarters of thelines are identified, and a correlation is noted between line width andionization energy. The lines identified, which include common speciesionized from one to four times, are generally resonance, forbidden orsemiforbidden lines but also include the recombination lines for C, Oand Ne. Many Fe II lines are present. Forbidden line wavelengths areused to define intersystem separations of energy levels in some species.The continuum energy distribution yielded by low dispersion data is notdue to a simple recombination of gaseous emission processes and a hotstar or accretion disk, but the very high ratio of the energy in thelines to that in the continuum of 2.4 indicates that a high temperaturesource must be present.

Uvby-Beta Photometry of Equatorial and Southern Bright Stars - Part Two
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...42..311H&db_key=AST

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观测天体数据

星座:望遠鏡座
右阿森松:20h08m02.34s
赤纬:-55°50'30.0"
视星:7.766
距离:429.185 天文距离
右阿森松适当运动:7.8
赤纬适当运动:-33
B-T magnitude:9.455
V-T magnitude:7.906

目录:
适当名称
HD 1989HD 190507
TYCHO-2 2000TYC 8780-808-1
USNO-A2.0USNO-A2 0300-36384301
HIPHIP 99173

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