WDS 17498-4744 RST 950 (HD 161780)

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17498-4744
RST 950
HD 161780

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

WDS 17498-4744 : COMPONENTS

	A
B	pa=162.1° sep=1.53"

17498-4744 A

Componente originario normalizzato	AB		Name	HD 161780		Coord arcsec 2000	174950.65-474334.3		Mag	10.97
Spectral class	A2/3V (white)		PmRA	1.00		PmDE	-3.0		Tycho2	8348-01805-2
HD	161780		DM	CD-4711835

Tycho2

Tycho2	8348-01805-2		Pflag	P		RAmdeg	267.46102456		DEmdeg	-47.72618597
PmRA	0.6		PmDE	-2.7		E RAmdeg	59		E DEmdeg	61
E pmRA	2.6		E pmDE	2.4		EpRAm	1985.08		EpDEm	1982.90
Num	3		Q RAmdeg	0.7		Q DEmdeg	0.4		Q pmRA	0.7
Q pmDE	0.4		BTmag	11.255		E BTmag	0.090		VTmag	10.973
E VTmag	0.107		Prox	16		TYC			HIP
CCDM			RAdeg	267.46087417		DEdeg	-47.72596694		EpRA 1990	1.59
EpDE 1990	1.49		E RAdeg	60.8		E DEdeg	64.2		Posflg	D
Corr	0.0

17498-4744 B

Componente originario normalizzato	AB		Coord arcsec 2000	174950.70-474335.8		Mag	11.33		PmRA	1.00
PmDE	-3.0		Tycho2	8348-01805-1		Calc delta mag	0.36		Calc coord	yes

Tycho2

Tycho2	8348-01805-1		Pflag	P		RAmdeg	267.46102456		DEmdeg	-47.72618597
PmRA	0.6		PmDE	-2.7		E RAmdeg	59		E DEmdeg	61
E pmRA	2.6		E pmDE	2.4		EpRAm	1985.08		EpDEm	1982.90
Num	3		Q RAmdeg	0.7		Q DEmdeg	0.4		Q pmRA	0.7
Q pmDE	0.4		BTmag	11.232		E BTmag	0.087		VTmag	11.325
E VTmag	0.141		Prox	16		TYC	T		HIP
CCDM			RAdeg	267.46116278		DEdeg	-47.72638139		EpRA 1990	1.59
EpDE 1990	1.50		E RAdeg	63.9		E DEdeg	67.1		Posflg	D
Corr	0.0