WDS 18140-1931 ARA 737 (HD 312954)

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18140-1931
ARA 737
HD 312954

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

WDS 18140-1931 : COMPONENTS

	A
B	pa=104.3° sep=13.26"

18140-1931 A

Componente originario normalizzato	AB		Name	HD 312954		Coord arcsec 2000	181402.52-193112.0		Mag	11.38
Spectral class	A3 (white)		PmRA	-3.00		PmDE	-4.0		Tycho2	6272-01637-1
HD	312954

Tycho2

Tycho2	6272-01637-1		Pflag			RAmdeg	273.51048243		DEmdeg	-19.52001150
PmRA	-1.0		PmDE	-5.1		E RAmdeg	53		E DEmdeg	70
E pmRA	2.3		E pmDE	2.5		EpRAm	1984.04		EpDEm	1979.22
Num	4		Q RAmdeg	1.8		Q DEmdeg	0.6		Q pmRA	1.8
Q pmDE	0.6		BTmag	11.567		E BTmag	0.089		VTmag	11.380
E VTmag	0.125		Prox	142		TYC			HIP
CCDM			RAdeg	273.51048500		DEdeg	-19.52000000		EpRA 1990	1.85
EpDE 1990	1.81		E RAdeg	56.4		E DEdeg	76.6		Posflg
Corr	-0.1

18140-1931 B

Componente originario normalizzato	AB		Coord arcsec 2000	181403.43-193115.3		Mag	11.5		PmRA	0.00
PmDE	-9.0		Tycho2	6272-02126-1		Calc delta mag	0.12		Calc coord	yes

Tycho2

Tycho2	6272-02126-1		Pflag			RAmdeg	273.51458365		DEmdeg	-19.52086460
PmRA	9.0		PmDE	-6.8		E RAmdeg	87		E DEmdeg	115
E pmRA	4.6		E pmDE	4.9		EpRAm	1986.60		EpDEm	1983.50
Num	2		Q RAmdeg			Q DEmdeg			Q pmRA
Q pmDE			BTmag	13.083		E BTmag	0.389		VTmag	11.496
E VTmag	0.140		Prox	142		TYC			HIP
CCDM			RAdeg	273.51456194		DEdeg	-19.52084917		EpRA 1990	1.84
EpDE 1990	1.81		E RAdeg	90.3		E DEdeg	121.9		Posflg
Corr	-0.1