WDS 20494+4458 GRV 384

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20494+4458
GRV 384

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

WDS 20494+4458 : COMPONENTS

	A
B	pa=212.3° sep=19.53"

20494+4458 A

Componente originario normalizzato	AB		Coord arcsec 2000	204925.63+445820.1		Mag	10.71		PmRA	-7.00
PmDE	-29.0		Tycho2	3178-00020-1

Tycho2

Tycho2	3178-00020-1		Pflag			RAmdeg	312.35680894		DEmdeg	44.97226217
PmRA	-12.5		PmDE	-28.4		E RAmdeg	27		E DEmdeg	29
E pmRA	1.5		E pmDE	1.5		EpRAm	1986.99		EpDEm	1986.49
Num	4		Q RAmdeg	1.0		Q DEmdeg	0.5		Q pmRA	1.1
Q pmDE	0.5		BTmag	11.211		E BTmag	0.052		VTmag	10.712
E VTmag	0.050		Prox	221		TYC	T		HIP
CCDM			RAdeg	312.35684750		DEdeg	44.97232611		EpRA 1990	1.67
EpDE 1990	1.63		E RAdeg	30.7		E DEdeg	32.1		Posflg
Corr	0.1

20494+4458 B

Componente originario normalizzato	AB		Coord arcsec 2000	204924.65+445803.6		Mag	11.45		PmRA	-9.00
PmDE	-31.0		Tycho2	3178-00056-1		Calc delta mag	0.74		Calc coord	yes

Tycho2

Tycho2	3178-00056-1		Pflag			RAmdeg	312.35102594		DEmdeg	44.96766243
PmRA	-10.5		PmDE	-31.2		E RAmdeg	56		E DEmdeg	59
E pmRA	1.9		E pmDE	1.8		EpRAm	1981.95		EpDEm	1978.97
Num	3		Q RAmdeg	0.3		Q DEmdeg	0.3		Q pmRA	0.3
Q pmDE	0.3		BTmag	12.270		E BTmag	0.144		VTmag	11.451
E VTmag	0.091		Prox	221		TYC	T		HIP
CCDM			RAdeg	312.35106028		DEdeg	44.96773500		EpRA 1990	1.69
EpDE 1990	1.64		E RAdeg	59.3		E DEdeg	62.5		Posflg
Corr	0.1