WDS 20458+0445 BAL 2971

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20458+0445
BAL 2971

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

WDS 20458+0445 : COMPONENTS

	A
B	pa=21.3° sep=17.09"

20458+0445 A

Componente originario normalizzato	AB		Coord arcsec 2000	204543.17+044459.5		Mag	11.83		PmRA	19.00
PmDE	-5.0		Tycho2	0520-01868-1

Tycho2

Tycho2	0520-01868-1		Pflag			RAmdeg	311.42986569		DEmdeg	4.74986330
PmRA	24.2		PmDE	-7.0		E RAmdeg	66		E DEmdeg	85
E pmRA	2.1		E pmDE	2.3		EpRAm	1977.92		EpDEm	1965.88
Num	3		Q RAmdeg	2.0		Q DEmdeg	0.4		Q pmRA	2.0
Q pmDE	0.3		BTmag	12.604		E BTmag	0.229		VTmag	11.834
E VTmag	0.167		Prox	175		TYC			HIP
CCDM			RAdeg	311.42980944		DEdeg	4.74988028		EpRA 1990	1.75
EpDE 1990	1.32		E RAdeg	71.5		E DEdeg	103.3		Posflg
Corr	-0.2

20458+0445 B

Componente originario normalizzato	AB		Coord arcsec 2000	204543.59+044515.4		Mag	11.36		PmRA	-9.00
PmDE	-6.0		Tycho2	0520-01901-1		Calc delta mag	0.47		Calc coord	yes

Tycho2

Tycho2	0520-01901-1		Pflag			RAmdeg	311.43166924		DEmdeg	4.75432978
PmRA	-12.1		PmDE	-6.9		E RAmdeg	59		E DEmdeg	80
E pmRA	2.5		E pmDE	2.6		EpRAm	1983.97		EpDEm	1976.18
Num	2		Q RAmdeg			Q DEmdeg			Q pmRA
Q pmDE			BTmag	13.036		E BTmag	0.303		VTmag	11.358
E VTmag	0.099		Prox	175		TYC			HIP
CCDM			RAdeg	311.43169694		DEdeg	4.75434639		EpRA 1990	1.76
EpDE 1990	1.31		E RAdeg	61.6		E DEdeg	88.9		Posflg
Corr	-0.1