WDS 18431+2447 TDS 937

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18431+2447
TDS 937

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

WDS 18431+2447 : COMPONENTS

	A
B	pa=41.3° sep=1.59"

18431+2447 A

Componente originario normalizzato	AB		Coord arcsec 2000	184303.91+244640.6		Mag	11.18		PmRA	2.00
PmDE	16.0		Tycho2	2112-00739-1

Tycho2

Tycho2	2112-00739-1		Pflag	P		RAmdeg	280.76627508		DEmdeg	24.77795190
PmRA	1.9		PmDE	15.7		E RAmdeg	42		E DEmdeg	39
E pmRA	2.1		E pmDE	2.1		EpRAm	1987.01		EpDEm	1987.72
Num	3		Q RAmdeg	0.6		Q DEmdeg	0.4		Q pmRA	0.6
Q pmDE	0.4		BTmag	11.922		E BTmag	0.075		VTmag	11.177
E VTmag	0.063		Prox	16		TYC	T		HIP
CCDM			RAdeg	280.76624333		DEdeg	24.77789056		EpRA 1990	1.51
EpDE 1990	1.66		E RAdeg	43.4		E DEdeg	39.8		Posflg	D
Corr	0.0

18431+2447 B

Componente originario normalizzato	AB		Coord arcsec 2000	184303.99+244641.8		Mag	13.5		PmRA	2.00
PmDE	16.0		Tycho2	2112-00739-2		HD	336849		Calc delta mag	2.32
Calc coord	yes

Tycho2

Tycho2	2112-00739-2		Pflag	P		RAmdeg	280.76627508		DEmdeg	24.77795190
PmRA	1.9		PmDE	15.7		E RAmdeg	42		E DEmdeg	39
E pmRA	2.1		E pmDE	2.1		EpRAm	1987.01		EpDEm	1987.72
Num	3		Q RAmdeg	0.6		Q DEmdeg	0.4		Q pmRA	0.6
Q pmDE	0.4		BTmag	13.927		E BTmag	0.346		VTmag	13.498
E VTmag	0.320		Prox	16		TYC			HIP
CCDM			RAdeg	280.76657861		DEdeg	24.77820667		EpRA 1990	1.50
EpDE 1990	1.66		E RAdeg	167.7		E DEdeg	153.7		Posflg	D
Corr	0.0