WDS 17180+2457 POU 3281

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17180+2457
POU 3281

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

WDS 17180+2457 : COMPONENTS

	A
B	pa=226.0° sep=15.12"

17180+2457 A

Componente originario normalizzato	AB		Coord arcsec 2000	171802.11+245609.3		Mag	10.86		Spectral class	G2 (yellow)
PmRA	-18.00		PmDE	-10.0		Tycho2	2065-01439-1

Tycho2

Tycho2	2065-01439-1		Pflag			RAmdeg	259.50878728		DEmdeg	24.93590478
PmRA	-14.6		PmDE	-12.5		E RAmdeg	35		E DEmdeg	27
E pmRA	1.6		E pmDE	1.5		EpRAm	1985.84		EpDEm	1988.41
Num	4		Q RAmdeg	0.9		Q DEmdeg	0.7		Q pmRA	0.9
Q pmDE	0.7		BTmag	11.714		E BTmag	0.058		VTmag	10.860
E VTmag	0.046		Prox	161		TYC	T		HIP
CCDM			RAdeg	259.50882556		DEdeg	24.93593361		EpRA 1990	1.51
EpDE 1990	1.72		E RAdeg	36.4		E DEdeg	27.4		Posflg
Corr	-0.1

17180+2457 B

Componente originario normalizzato	AB		Coord arcsec 2000	171801.31+245558.8		Mag	11.85		Spectral class	K0 (yellow-orange)
PmRA	-19.00		PmDE	-10.0		Tycho2	2065-01769-1		Calc delta mag	0.99
Calc coord	yes

Tycho2

Tycho2	2065-01769-1		Pflag			RAmdeg	259.50511335		DEmdeg	24.93292504
PmRA	-17.3		PmDE	-11.1		E RAmdeg	63		E DEmdeg	48
E pmRA	1.8		E pmDE	1.7		EpRAm	1975.67		EpDEm	1982.18
Num	4		Q RAmdeg	0.8		Q DEmdeg	0.7		Q pmRA	0.8
Q pmDE	0.7		BTmag	12.583		E BTmag	0.158		VTmag	11.848
E VTmag	0.116		Prox	161		TYC			HIP
CCDM			RAdeg	259.50515861		DEdeg	24.93295028		EpRA 1990	1.53
EpDE 1990	1.73		E RAdeg	68.5		E DEdeg	51.2		Posflg
Corr	-0.1