WDS 20121+0306 HEI 581

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20121+0306
HEI 581

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

WDS 20121+0306 : COMPONENTS

	A
B	pa=159.9° sep=0.84"

20121+0306 A

Componente originario normalizzato	AB		Coord arcsec 2000	201204.92+030512.3		Mag	10.54		PmRA	6.00
PmDE	2.0		Tycho2	0499-02021-1

Tycho2

Tycho2	0499-02021-1		Pflag	P		RAmdeg	303.02050792		DEmdeg	3.08674636
PmRA	5.7		PmDE	1.5		E RAmdeg	24		E DEmdeg	28
E pmRA	1.7		E pmDE	1.7		EpRAm	1989.21		EpDEm	1987.72
Num	3		Q RAmdeg	0.3		Q DEmdeg	0.1		Q pmRA	0.3
Q pmDE	0.1		BTmag	10.899		E BTmag	0.043		VTmag	10.544
E VTmag	0.042		Prox	8		TYC	T		HIP
CCDM			RAdeg	303.02048500		DEdeg	3.08679139		EpRA 1990	1.53
EpDE 1990	1.30		E RAdeg	24.0		E DEdeg	28.8		Posflg	D
Corr	-0.3

20121+0306 B

Componente originario normalizzato	AB		Coord arcsec 2000	201204.94+030511.5		Mag	11.11		PmRA	6.00
PmDE	2.0		Tycho2	0499-02021-2		Calc delta mag	0.57		Calc coord	yes

Tycho2

Tycho2	0499-02021-2		Pflag	P		RAmdeg	303.02050792		DEmdeg	3.08674636
PmRA	5.7		PmDE	1.5		E RAmdeg	24		E DEmdeg	28
E pmRA	1.7		E pmDE	1.7		EpRAm	1989.21		EpDEm	1987.72
Num	3		Q RAmdeg	0.3		Q DEmdeg	0.1		Q pmRA	0.3
Q pmDE	0.1		BTmag	11.829		E BTmag	0.079		VTmag	11.112
E VTmag	0.072		Prox	8		TYC	T		HIP
CCDM			RAdeg	303.02053056		DEdeg	3.08656250		EpRA 1990	1.53
EpDE 1990	1.29		E RAdeg	42.8		E DEdeg	51.7		Posflg	D
Corr	-0.3