WDS 20459+4448 ES 2701

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20459+4448
ES 2701

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

WDS 20459+4448 : COMPONENTS

	A
B	pa=77.1° sep=36.60"

20459+4448 A

Componente originario normalizzato	AB		Coord arcsec 2000	204555.66+444802.0		Mag	8.76		Spectral class	A7V (white)
PmRA	5.00		PmDE	-5.0		Tycho2	3178-00353-1

Tycho2

Tycho2	3178-00353-1		Pflag			RAmdeg	311.48191398		DEmdeg	44.80055740
PmRA	4.3		PmDE	-3.3		E RAmdeg	7		E DEmdeg	7
E pmRA	1.2		E pmDE	1.2		EpRAm	1991.11		EpDEm	1991.18
Num	6		Q RAmdeg	1.0		Q DEmdeg	0.9		Q pmRA	0.9
Q pmDE	0.8		BTmag	8.925		E BTmag	0.017		VTmag	8.759
E VTmag	0.014		Prox	514		TYC	T		HIP
CCDM			RAdeg	311.48190000		DEdeg	44.80056528		EpRA 1990	1.67
EpDE 1990	1.72		E RAdeg	6.8		E DEdeg	7.0		Posflg
Corr	0.1

20459+4448 B

Componente originario normalizzato	AB		Coord arcsec 2000	204559.01+444810.1		Mag	9.24		PmRA	-10.00
PmDE	-19.0		Tycho2	3178-01044-1		Calc delta mag	0.48		Calc coord	yes

Tycho2

Tycho2	3178-01044-1		Pflag			RAmdeg	311.50170929		DEmdeg	44.80290529
PmRA	-9.6		PmDE	-17.2		E RAmdeg	11		E DEmdeg	11
E pmRA	1.2		E pmDE	1.2		EpRAm	1990.48		EpDEm	1990.46
Num	6		Q RAmdeg	0.8		Q DEmdeg	1.1		Q pmRA	0.8
Q pmDE	1.2		BTmag	9.603		E BTmag	0.022		VTmag	9.242
E VTmag	0.018		Prox	514		TYC	T		HIP
CCDM			RAdeg	311.50174056		DEdeg	44.80294583		EpRA 1990	1.65
EpDE 1990	1.67		E RAdeg	10.6		E DEdeg	10.6		Posflg
Corr	0.1