PWs fotografisches Doppelstern Projekt / PWs Photographic Doublestar Project

41&40 Dra

41&40 Dra


WDS18002+8000
RA18 00 09
Dec+80 00 13
Sternbild/ConstellationDra, Draco / Drache / Dragon      Foto folgt/Photo follows
Bmkg./Note-



Komponenten
Components		 Abstand "
Separation "		 Mag 1 Mag 2 Positionswinkel
Position angle
Aa
AB
AC		 0
18,6
223,9		 6,22
5,7
5,7		 6,69
6
8,34		 339
232
128



WDS notes: STF2308 LDS1882. */* BAG 6 41 Dra. Spectroscopic binary, P = 1247.2d, with the highest known eccentricity to date, e = 0.975. B is BD+79@570, 40 Dra. It is also a spectroscopic binary, P = 10.53d.


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