WDS 20494+4452 TDS 1103

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20494+4452
TDS 1103

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

WDS 20494+4452 : COMPONENTS

	A
B	pa=194.2° sep=0.79"

20494+4452 A

Componente originario normalizzato	AB		Coord arcsec 2000	204925.98+445214.8		Mag	11.45		PmRA	-2.00
PmDE	-4.0		Tycho2	3178-00023-1

Tycho2

Tycho2	3178-00023-1		Pflag	P		RAmdeg	312.35826641		DEmdeg	44.87077520
PmRA	-2.3		PmDE	-4.4		E RAmdeg	44		E DEmdeg	44
E pmRA	1.8		E pmDE	1.7		EpRAm	1985.63		EpDEm	1984.11
Num	3		Q RAmdeg	1.2		Q DEmdeg	0.5		Q pmRA	1.3
Q pmDE	0.5		BTmag	11.582		E BTmag	0.064		VTmag	11.450
E VTmag	0.089		Prox	8		TYC			HIP
CCDM			RAdeg	312.35829000		DEdeg	44.87081722		EpRA 1990	1.68
EpDE 1990	1.66		E RAdeg	45.0		E DEdeg	45.5		Posflg	D
Corr	0.2

20494+4452 B

Componente originario normalizzato	AB		Coord arcsec 2000	204925.96+445214.0		Mag	12.21		PmRA	-2.00
PmDE	-4.0		Tycho2	3178-00023-2		Calc delta mag	0.76		Calc coord	yes

Tycho2

Tycho2	3178-00023-2		Pflag	P		RAmdeg	312.35826641		DEmdeg	44.87077520
PmRA	-2.3		PmDE	-4.4		E RAmdeg	44		E DEmdeg	44
E pmRA	1.8		E pmDE	1.7		EpRAm	1985.63		EpDEm	1984.11
Num	3		Q RAmdeg	1.2		Q DEmdeg	0.5		Q pmRA	1.3
Q pmDE	0.5		BTmag	12.885		E BTmag	0.225		VTmag	12.207
E VTmag	0.173		Prox	8		TYC			HIP
CCDM			RAdeg	312.35818389		DEdeg	44.87060556		EpRA 1990	1.69
EpDE 1990	1.66		E RAdeg	91.5		E DEdeg	93.9		Posflg	D
Corr	0.2