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HD 240224


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Correlation of the HIPPARCOS and Allegheny Observatory Parallax Catalogs
No significant difference is found between the systems of the Hipparcosand Allegheny Observatory MAP parallax catalogs. The correlation of theparallaxes of 63 stars common to both programs is 0.9995 +/- 0.0001,with an average standard deviation of the difference of 0.0023". Whilethere is no indication of systematic difference in the two programs, ourstudy suggests that the formal errors in one or both catalogs aresomewhat underestimated.

The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

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Сазвежђа:Касиопеја
Ректацензија:23h12m25.59s
Deклинација:+57°04'24.7"
Apparent магнитуда:8.727
Даљина:869.565 parsecs
Proper motion RA:-32.9
Proper motion Dec:-15.7
B-T magnitude:10.451
V-T magnitude:8.87

Каталог и designations:
Proper имена   (Edit)
HD 1989HD 240224
TYCHO-2 2000TYC 4006-1008-1
USNO-A2.0USNO-A2 1425-14752442
HIPHIP 114566

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