WDS 20501+4635 ES 671

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20501+4635
ES 671

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

WDS 20501+4635 : COMPONENTS

	A
B	pa=92.0° sep=1.11"

20501+4635 A

Componente originario normalizzato	AB		Coord arcsec 2000	205007.77+463452.1		Mag	10.75		Spectral class	B (blue-white)
PmRA	-6.00		PmDE	13.0		Tycho2	3575-02713-1

Tycho2

Tycho2	3575-02713-1		Pflag	P		RAmdeg	312.53238927		DEmdeg	46.58114859
PmRA	-6.3		PmDE	12.7		E RAmdeg	39		E DEmdeg	42
E pmRA	2.2		E pmDE	2.0		EpRAm	1988.40		EpDEm	1987.06
Num	3		Q RAmdeg	0.8		Q DEmdeg	0.1		Q pmRA	0.8
Q pmDE	0.1		BTmag	11.437		E BTmag	0.066		VTmag	10.748
E VTmag	0.059		Prox	16		TYC	T		HIP
CCDM			RAdeg	312.53237111		DEdeg	46.58112222		EpRA 1990	1.71
EpDE 1990	1.66		E RAdeg	40.0		E DEdeg	42.6		Posflg	D
Corr	0.0

20501+4635 B

Componente originario normalizzato	AB		Coord arcsec 2000	205007.88+463452.1		Mag	12.81		PmRA	-6.00
PmDE	13.0		Tycho2	3575-02713-2		Calc delta mag	2.06		Calc coord	yes

Tycho2

Tycho2	3575-02713-2		Pflag	P		RAmdeg	312.53238927		DEmdeg	46.58114859
PmRA	-6.3		PmDE	12.7		E RAmdeg	39		E DEmdeg	42
E pmRA	2.2		E pmDE	2.0		EpRAm	1988.40		EpDEm	1987.06
Num	3		Q RAmdeg	0.8		Q DEmdeg	0.1		Q pmRA	0.8
Q pmDE	0.1		BTmag	13.738		E BTmag	0.433		VTmag	12.810
E VTmag	0.287		Prox	16		TYC			HIP
CCDM			RAdeg	312.53301306		DEdeg	46.58107194		EpRA 1990	1.71
EpDE 1990	1.66		E RAdeg	64.1		E DEdeg	68.1		Posflg	D
Corr	0.0