SKY-MAP.ORG

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HD 202816

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관련 글

Classification and Identification of IRAS Sources with Low-Resolution Spectra IRAS low-resolution spectra were extracted for 11,224 IRAS sources.These spectra were classified into astrophysical classes, based on thepresence of emission and absorption features and on the shape of thecontinuum. Counterparts of these IRAS sources in existing optical andinfrared catalogs are identified, and their optical spectral types arelisted if they are known. The correlations between thephotospheric/optical and circumstellar/infrared classification arediscussed.
IRAS catalogues and atlases - Atlas of low-resolution spectra Plots of all 5425 spectra in the IRAS catalogue of low-resolutionspectra are presented. The catalogue contains the average spectra ofmost IRAS poiont sources with 12 micron flux densities above 10 Jy.
Classification of 831 two-micron sky survey sources south of +5 degrees. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975AJ.....80.1011H&db_key=AST
The kinematics of semiregular red variables in the solar neighbourhood. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972MNRAS.158...23F&db_key=AST
162 neue Veräderliche Not Available

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관측 및 측정 데이터

별자리:	조랑말자리
적경:	21^h18^m17.44^s
적위:	+07Â°45'37.6"
가시등급:	8.483
적경상의 고유운동:	-7.3
적위상의 고유운동:	-7.1
B-T magnitude:	10.353
V-T magnitude:	8.638

천체목록:

일반명	(Edit)
HD 1989	HD 202816
TYCHO-2 2000	TYC 1105-1721-1
USNO-A2.0	USNO-A2 0975-20222674

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