WDS 17384-1904 HLD 137 (HD 159976)

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17384-1904
HLD 137
HD 159976

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

WDS 17384-1904 : COMPONENTS

	A
B	pa=262.8° sep=1.18"

17384-1904 A

Componente originario normalizzato	AB		Name	HD 159976		Coord arcsec 2000	173821.80-190426.8		Mag	10.62
Spectral class	A0IV (white)		PmRA	-1.00		PmDE	-4.0		Tycho2	6256-01584-1
HD	159976

Tycho2

Tycho2	6256-01584-1		Pflag	P		RAmdeg	264.59084958		DEmdeg	-19.07411124
PmRA	-0.9		PmDE	-4.4		E RAmdeg	36		E DEmdeg	47
E pmRA	2.1		E pmDE	2.2		EpRAm	1986.66		EpDEm	1983.27
Num	7		Q RAmdeg	2.4		Q DEmdeg	2.3		Q pmRA	2.4
Q pmDE	2.3		BTmag	11.073		E BTmag	0.070		VTmag	10.623
E VTmag	0.073		Prox	12		TYC	T		HIP
CCDM			RAdeg	264.59093667		DEdeg	-19.07409583		EpRA 1990	1.79
EpDE 1990	1.48		E RAdeg	39.3		E DEdeg	53.7		Posflg	D
Corr	-0.1

17384-1904 B

Componente originario normalizzato	AB		Coord arcsec 2000	173821.72-190426.9		Mag	11.1		PmRA	-1.00
PmDE	-4.0		Tycho2	6256-01584-2		Calc delta mag	0.48		Calc coord	yes

Tycho2

Tycho2	6256-01584-2		Pflag	P		RAmdeg	264.59084958		DEmdeg	-19.07411124
PmRA	-0.9		PmDE	-4.4		E RAmdeg	36		E DEmdeg	47
E pmRA	2.1		E pmDE	2.2		EpRAm	1986.66		EpDEm	1983.27
Num	7		Q RAmdeg	2.4		Q DEmdeg	2.3		Q pmRA	2.4
Q pmDE	2.3		BTmag	11.846		E BTmag	0.125		VTmag	11.101
E VTmag	0.117		Prox	12		TYC			HIP
CCDM			RAdeg	264.59057222		DEdeg	-19.07413667		EpRA 1990	1.81
EpDE 1990	1.48		E RAdeg	65.7		E DEdeg	90.6		Posflg	D
Corr	-0.1