WDS 20172+2321 POU 4340

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20172+2321
POU 4340

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Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 20172+2321 : COMPONENTS

	A
B	pa=304.4° sep=7.45"

20172+2321 A

Componente originario normalizzato	AB		Coord arcsec 2000	201716.35+232024.1		Mag	12.49		PmRA	-2.00
PmDE	-14.0		Tycho2	2155-00930-1

Tycho2

Tycho2	2155-00930-1		Pflag			RAmdeg	304.31813291		DEmdeg	23.34004036
PmRA	-1.1		PmDE	-17.5		E RAmdeg	95		E DEmdeg	95
E pmRA	2.0		E pmDE	2.0		EpRAm	1957.49		EpDEm	1957.93
Num	3		Q RAmdeg	0.9		Q DEmdeg	1.4		Q pmRA	0.9
Q pmDE	1.4		BTmag	13.401		E BTmag	0.325		VTmag	12.495
E VTmag	0.219		Prox	999		TYC			HIP
CCDM			RAdeg	304.31813583		DEdeg	23.34008222		EpRA 1990	1.39
EpDE 1990	1.46		E RAdeg	117.0		E DEdeg	117.3		Posflg
Corr	0.0

20172+2321 B

Componente originario normalizzato	AB		Coord arcsec 2000	201715.90+232028.3		Mag	14.3		Calc delta mag	1.81
Calc coord	yes