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HD 57720


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UBV polarimetry of 361 A- and F-type stars in selected areas
We present simultaneous UBV linear polarization measurements for 361 A-and F-type stars with accurate colour excess and distance determination.These stars are distributed in 35 Kapteyn's Selected Areas, covering thethird and fourth quadrants of the galactic plane (|b| <= 30degr ).The obtained polarization and the known colour excess are compared. Ananalysis of the polarization distribution as a function of the stellardistance is also performed. Based on observations collected at theEuropean Southern Observatory (ESO), La Silla, Chile.

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Observation and Astrometry data

Constellation:りゅうこつ座
Right ascension:07h18m46.38s
Declination:-60°36'09.3"
Apparent magnitude:8.956
Distance:215.517 parsecs
Proper motion RA:-4.3
Proper motion Dec:12.9
B-T magnitude:9.444
V-T magnitude:8.997

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 57720
TYCHO-2 2000TYC 8909-647-1
USNO-A2.0USNO-A2 0225-03492540
HIPHIP 35420

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