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HD 69699


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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.

Sur un changement de forme de la queue de la Comète Jarlof-Achmarof-Hassel 1939 III et sa liaison probable avec deux éruptions solaires
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Observation and Astrometry data

Constellation:Καρκίνος
Right ascension:08h18m33.68s
Declination:+13°42'10.0"
Apparent magnitude:9.251
Proper motion RA:-26.4
Proper motion Dec:18.9
B-T magnitude:9.743
V-T magnitude:9.292

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 69699
TYCHO-2 2000TYC 807-455-1
USNO-A2.0USNO-A2 0975-05829084
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