WDS 20471+3850 HJ 1575

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20471+3850
HJ 1575

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

WDS 20471+3850 : COMPONENTS

	A
B	pa=44.2° sep=13.03"

20471+3850 A

Componente originario normalizzato	AB		Coord arcsec 2000	204702.89+385032.7		Mag	10.35		Spectral class	A5 (white)
PmRA	2.00		PmDE	-1.0		Tycho2	3166-01339-1

Tycho2

Tycho2	3166-01339-1		Pflag			RAmdeg	311.76206201		DEmdeg	38.84241784
PmRA	-0.1		PmDE	0.5		E RAmdeg	19		E DEmdeg	19
E pmRA	1.5		E pmDE	1.5		EpRAm	1988.15		EpDEm	1988.28
Num	7		Q RAmdeg	0.9		Q DEmdeg	1.1		Q pmRA	0.9
Q pmDE	1.1		BTmag	10.667		E BTmag	0.034		VTmag	10.354
E VTmag	0.035		Prox	149		TYC	T		HIP
CCDM			RAdeg	311.76205806		DEdeg	38.84241611		EpRA 1990	1.76
EpDE 1990	1.77		E RAdeg	21.7		E DEdeg	20.7		Posflg
Corr	0.1

20471+3850 B

Componente originario normalizzato	AB		Coord arcsec 2000	204703.67+385042.0		Mag	11.87		PmRA	4.00
PmDE	2.0		Tycho2	3166-00659-1		Calc delta mag	1.52		Calc coord	yes

Tycho2

Tycho2	3166-00659-1		Pflag			RAmdeg	311.76625232		DEmdeg	38.84497148
PmRA	0.9		PmDE	-2.2		E RAmdeg	67		E DEmdeg	64
E pmRA	2.4		E pmDE	2.3		EpRAm	1980.53		EpDEm	1980.52
Num	4		Q RAmdeg	1.2		Q DEmdeg	1.7		Q pmRA	1.2
Q pmDE	1.7		BTmag	12.246		E BTmag	0.143		VTmag	11.871
E VTmag	0.146		Prox	149		TYC			HIP
CCDM			RAdeg	311.76624583		DEdeg	38.84497278		EpRA 1990	1.76
EpDE 1990	1.78		E RAdeg	73.4		E DEdeg	68.6		Posflg
Corr	0.1