WDS 21175+7658 LDS 1948

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21175+7658
LDS 1948

Selections

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Binocular doubles
Binary Systems
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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 21175+7658 : COMPONENTS

	A
B	pa=342.0° sep=5.19"

21175+7658 A

Componente originario normalizzato	AB		Coord arcsec 2000	211727.90+765810.3		Mag	10.12		Spectral class	G0 (yellow)
PmRA	-1.00		PmDE	62.0		Tycho2	4590-01037-2

Tycho2

Tycho2	4590-01037-2		Pflag			RAmdeg	319.36626206		DEmdeg	76.96951978
PmRA	-0.3		PmDE	61.6		E RAmdeg	23		E DEmdeg	24
E pmRA	1.6		E pmDE	1.6		EpRAm	1988.68		EpDEm	1988.44
Num	5		Q RAmdeg	1.4		Q DEmdeg	0.5		Q pmRA	1.3
Q pmDE	0.5		BTmag	10.862		E BTmag	0.045		VTmag	10.121
E VTmag	0.034		Prox	86		TYC	T		HIP
CCDM			RAdeg	319.36625972		DEdeg	76.96937639		EpRA 1990	1.73
EpDE 1990	1.62		E RAdeg	23.5		E DEdeg	25.2		Posflg
Corr	0.0

21175+7658 B

Componente originario normalizzato	AB		Coord arcsec 2000	211727.42+765815.2		Mag	10.27		PmRA	-1.00
PmDE	60.0		Tycho2	4590-01037-1		Calc delta mag	0.15		Calc coord	yes

Tycho2

Tycho2	4590-01037-1		Pflag			RAmdeg	319.35759282		DEmdeg	76.97089350
PmRA	0.0		PmDE	59.0		E RAmdeg	27		E DEmdeg	28
E pmRA	1.6		E pmDE	1.6		EpRAm	1987.63		EpDEm	1987.42
Num	5		Q RAmdeg	0.6		Q DEmdeg	0.5		Q pmRA	0.6
Q pmDE	0.6		BTmag	11.164		E BTmag	0.056		VTmag	10.269
E VTmag	0.038		Prox	86		TYC	T		HIP
CCDM			RAdeg	319.35759194		DEdeg	76.97075556		EpRA 1990	1.72
EpDE 1990	1.63		E RAdeg	28.2		E DEdeg	29.4		Posflg
Corr	0.0