WDS 20539+0620 TDS 1107

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20539+0620
TDS 1107

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

WDS 20539+0620 : COMPONENTS

	A
B	pa=109.8° sep=1.61"

20539+0620 A

Componente originario normalizzato	AB		Coord arcsec 2000	205355.34+062010.1		Mag	9.68		Spectral class	K0 (yellow-orange)
PmRA	5.00		PmDE	-15.0		Tycho2	0525-01730-1

Tycho2

Tycho2	0525-01730-1		Pflag	P		RAmdeg	313.48059524		DEmdeg	6.33615081
PmRA	4.5		PmDE	-15.2		E RAmdeg	14		E DEmdeg	20
E pmRA	2.0		E pmDE	1.9		EpRAm	1991.14		EpDEm	1990.04
Num	4		Q RAmdeg	0.4		Q DEmdeg	1.3		Q pmRA	0.4
Q pmDE	1.3		BTmag	10.928		E BTmag	0.041		VTmag	9.677
E VTmag	0.022		Prox	16		TYC	T		HIP
CCDM			RAdeg	313.48054167		DEdeg	6.33620278		EpRA 1990	1.72
EpDE 1990	1.36		E RAdeg	14.0		E DEdeg	19.8		Posflg	D
Corr	0.1

20539+0620 B

Componente originario normalizzato	AB		Coord arcsec 2000	205355.44+062009.6		Mag	12.13		PmRA	5.00
PmDE	-15.0		Tycho2	0525-01730-2		Calc delta mag	2.45		Calc coord	yes

Tycho2

Tycho2	0525-01730-2		Pflag	P		RAmdeg	313.48059524		DEmdeg	6.33615081
PmRA	4.5		PmDE	-15.2		E RAmdeg	14		E DEmdeg	20
E pmRA	2.0		E pmDE	1.9		EpRAm	1991.14		EpDEm	1990.04
Num	4		Q RAmdeg	0.4		Q DEmdeg	1.3		Q pmRA	0.4
Q pmDE	1.3		BTmag	12.665		E BTmag	0.206		VTmag	12.134
E VTmag	0.179		Prox	16		TYC			HIP
CCDM			RAdeg	313.48096833		DEdeg	6.33605083		EpRA 1990	1.71
EpDE 1990	1.37		E RAdeg	70.4		E DEdeg	99.3		Posflg	D
Corr	0.1