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HD 21221


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Ultraviolet Imaging Telescope Near-Ultraviolet Bright Object Catalog
We present a photometric catalog of 2244 objects detected by theUltraviolet Imaging Telescope in the near-ultraviolet (NUV; 1650A <λ < 2900 A) during the Astro Space Shuttle mission. Sources inthe catalog are as faint as m_nuv_ ~ 18.8, or f_nuv_ ~ 1.1 x 10^16^ ergss^-1^ cm^-2^ A^-1^, but the survey is not complete to this level.Optical catalogs were used to cross identify sources and derive NUV - Vcolors. A majority of the objects (88%) do indeed have proposed opticalidentifications from catalogs, and most are stars. Our purpose increating the catalog is to form a database useful for identifying veryblue objects and performing Galactic UV stellar population studies.

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观测天体数据

星座:天爐座
右阿森松:03h24m02.06s
赤纬:-37°16'59.8"
视星:8.823
距离:330.033 天文距离
右阿森松适当运动:7.2
赤纬适当运动:7.4
B-T magnitude:10.175
V-T magnitude:8.935

目录:
适当名称   (Edit)
HD 1989HD 21221
TYCHO-2 2000TYC 7027-125-1
USNO-A2.0USNO-A2 0525-01149944
HIPHIP 15839

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