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HD 210714


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New peculiar stars identified on objective-prism plates
Tables are presented of 90 peculiar stars revealed on more than oneobjective-prism plate and 61 suspected peculiar stars based on a singlespectrum. The set of 90 peculiar stars includes 48 Ap, 32 Am, and 10stars with composite spectra. The stars were identified as peculiarstars during spectral classification in the regions of the OBassociations Cyg OB4, Cep-Lac OB1, and Cas OB9. The spectralcharacteristics of the different types of peculiar stars are discussed.

The improvement of the star positions of the Potsdam PZT catalog
Regular determinations of the right ascension and declination of starswith the aid of a photographic zenith tube (PZT) were begun in ageodetic-astronomical observatory of the German Democratic Republic in1972. Results obtained during the years 1972 and 1973 were used for afirst improvement of stellar positions listed in the Third Catalog(Katalog) of the 'Astronomische Gesellschaft' (Astronomical Society)AGK3. The corrections resulted in a distinct improvement of the accuracyof the positional values. However, the possibility could not be excludedthat the results were still affected by remaining errors with systematiccharacteristics. In order to eliminate the considered deficiencies, newstellar coordinate corrections were computed on the basis of aconsiderably larger data set. The new catalog containing the reviseddata has been called PZT 80, while the data obtained on the basis of thefirst observations are listed in PZT 74. The new catalog is presented inthe appendix.

A Wide-Angle Astrometric Standard in the Moscow Zenith Zone
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관측 및 측정 데이터

별자리:도마뱀자리
적경:22h11m00.65s
적위:+52°24'36.4"
가시등급:9.077
적경상의 고유운동:21.3
적위상의 고유운동:9.4
B-T magnitude:9.44
V-T magnitude:9.107

천체목록:
일반명   (Edit)
HD 1989HD 210714
TYCHO-2 2000TYC 3618-1105-1
USNO-A2.0USNO-A2 1350-16010583
HIPHIP 109506

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