WDS 20478+3944 GRV 381

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20478+3944
GRV 381

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

WDS 20478+3944 : COMPONENTS

	A
B	pa=344.0° sep=34.84"

20478+3944 A

Componente originario normalizzato	AB		Coord arcsec 2000	204749.53+394447.3		Mag	11.62		PmRA	-9.00
PmDE	-10.0		Tycho2	3170-00844-1

Tycho2

Tycho2	3170-00844-1		Pflag			RAmdeg	311.95637023		DEmdeg	39.74647523
PmRA	-7.3		PmDE	-9.3		E RAmdeg	65		E DEmdeg	64
E pmRA	2.1		E pmDE	1.9		EpRAm	1979.14		EpDEm	1976.92
Num	4		Q RAmdeg	2.1		Q DEmdeg	1.0		Q pmRA	2.1
Q pmDE	1.0		BTmag	13.171		E BTmag	0.282		VTmag	11.515
E VTmag	0.098		Prox	358		TYC			HIP
CCDM			RAdeg	311.95638722		DEdeg	39.74649444		EpRA 1990	1.70
EpDE 1990	1.75		E RAdeg	70.0		E DEdeg	70.0		Posflg
Corr	0.0

20478+3944 B

Componente originario normalizzato	AB		Coord arcsec 2000	204748.70+394520.8		Mag	11.46		PmRA	-11.00
PmDE	-13.0		Tycho2	3170-01476-1		Calc delta mag	0.16		Calc coord	yes

Tycho2

Tycho2	3170-01476-1		Pflag			RAmdeg	311.95188001		DEmdeg	39.75579522
PmRA	-9.7		PmDE	-10.3		E RAmdeg	66		E DEmdeg	60
E pmRA	1.9		E pmDE	1.8		EpRAm	1975.72		EpDEm	1976.93
Num	4		Q RAmdeg	0.5		Q DEmdeg	0.4		Q pmRA	0.5
Q pmDE	0.4		BTmag	12.160		E BTmag	0.124		VTmag	11.964
E VTmag	0.156		Prox	358		TYC			HIP
CCDM			RAdeg	311.95190778		DEdeg	39.75581889		EpRA 1990	1.65
EpDE 1990	1.75		E RAdeg	73.1		E DEdeg	65.9		Posflg
Corr	0.0