WDS 20158+4024 TDS 1055 (HD 228642)

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20158+4024
TDS 1055
HD 228642

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

WDS 20158+4024 : COMPONENTS

	A
B	pa=167.2° sep=0.84"

20158+4024 A

Componente originario normalizzato	AB		Name	HD 228642		Coord arcsec 2000	201550.79+402352.9		Mag	10.94
Spectral class	A0 (white)		PmRA	-2.00		PmDE	-11.0		Tycho2	3155-00885-1
HD	228642

Tycho2

Tycho2	3155-00885-1		Pflag	P		RAmdeg	303.96163084		DEmdeg	40.39801709
PmRA	-1.6		PmDE	-11.3		E RAmdeg	37		E DEmdeg	38
E pmRA	1.8		E pmDE	1.7		EpRAm	1987.15		EpDEm	1985.96
Num	3		Q RAmdeg	0.6		Q DEmdeg	1.8		Q pmRA	0.7
Q pmDE	1.8		BTmag	11.261		E BTmag	0.058		VTmag	10.944
E VTmag	0.065		Prox	9		TYC	T		HIP
CCDM			RAdeg	303.96161389		DEdeg	40.39810000		EpRA 1990	1.59
EpDE 1990	1.57		E RAdeg	37.9		E DEdeg	38.5		Posflg	D
Corr	0.0

20158+4024 B

Componente originario normalizzato	AB		Coord arcsec 2000	201550.81+402352.1		Mag	12.12		PmRA	-2.00
PmDE	-11.0		Tycho2	3155-00885-2		Calc delta mag	1.18		Calc coord	yes

Tycho2

Tycho2	3155-00885-2		Pflag	P		RAmdeg	303.96163084		DEmdeg	40.39801709
PmRA	-1.6		PmDE	-11.3		E RAmdeg	37		E DEmdeg	38
E pmRA	1.8		E pmDE	1.7		EpRAm	1987.15		EpDEm	1985.96
Num	3		Q RAmdeg	0.6		Q DEmdeg	1.8		Q pmRA	0.7
Q pmDE	1.8		BTmag	12.021		E BTmag	0.114		VTmag	12.124
E VTmag	0.188		Prox	9		TYC			HIP
CCDM			RAdeg	303.96170306		DEdeg	40.39787361		EpRA 1990	1.59
EpDE 1990	1.57		E RAdeg	92.4		E DEdeg	93.2		Posflg	D
Corr	-0.1