WDS 20521+4923 ES 811

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20521+4923
ES 811

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

WDS 20521+4923 : COMPONENTS

	A
B	pa=165.3° sep=1.33"

20521+4923 A

Componente originario normalizzato	AB		Coord arcsec 2000	205205.96+492149.1		Mag	10.34		Spectral class	G0 (yellow)
PmRA	-43.00		PmDE	-16.0		Tycho2	3583-00040-1

Tycho2

Tycho2	3583-00040-1		Pflag	P		RAmdeg	313.02483370		DEmdeg	49.36362890
PmRA	-42.6		PmDE	-15.9		E RAmdeg	28		E DEmdeg	29
E pmRA	2.7		E pmDE	2.4		EpRAm	1990.48		EpDEm	1990.10
Num	4		Q RAmdeg	0.3		Q DEmdeg	0.5		Q pmRA	0.3
Q pmDE	0.5		BTmag	11.066		E BTmag	0.050		VTmag	10.336
E VTmag	0.040		Prox	14		TYC	T		HIP
CCDM			RAdeg	313.02486222		DEdeg	49.36385611		EpRA 1990	1.72
EpDE 1990	1.75		E RAdeg	28.3		E DEdeg	28.7		Posflg	D
Corr	0.0

20521+4923 B

Componente originario normalizzato	AB		Coord arcsec 2000	205205.99+492147.8		Mag	10.43		PmRA	-43.00
PmDE	-16.0		Tycho2	3583-00040-2		Calc delta mag	0.09		Calc coord	yes

Tycho2

Tycho2	3583-00040-2		Pflag	P		RAmdeg	313.02483370		DEmdeg	49.36362890
PmRA	-42.6		PmDE	-15.9		E RAmdeg	28		E DEmdeg	29
E pmRA	2.7		E pmDE	2.4		EpRAm	1990.48		EpDEm	1990.10
Num	4		Q RAmdeg	0.3		Q DEmdeg	0.5		Q pmRA	0.3
Q pmDE	0.5		BTmag	11.029		E BTmag	0.050		VTmag	10.434
E VTmag	0.043		Prox	14		TYC	T		HIP
CCDM			RAdeg	313.02509778		DEdeg	49.36348778		EpRA 1990	1.72
EpDE 1990	1.75		E RAdeg	29.7		E DEdeg	30.3		Posflg	D
Corr	0.0