WDS 17590-1754 TDS 894 (HD 312381)

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17590-1754
TDS 894
HD 312381

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

WDS 17590-1754 : COMPONENTS

	A
B	pa=12.1° sep=1.26"

17590-1754 A

Componente originario normalizzato	AB		Name	HD 312381		Coord arcsec 2000	175858.54-175423.7		Mag	11.13
Spectral class	A0 (white)		PmRA	0.00		PmDE	1.0		Tycho2	6254-01050-1

Tycho2

Tycho2	6254-01050-1		Pflag	P		RAmdeg	269.74393479		DEmdeg	-17.90658225
PmRA	0.4		PmDE	0.9		E RAmdeg	51		E DEmdeg	65
E pmRA	3.2		E pmDE	3.3		EpRAm	1988.38		EpDEm	1986.29
Num	3		Q RAmdeg	0.3		Q DEmdeg	2.5		Q pmRA	0.3
Q pmDE	2.5		BTmag	11.809		E BTmag	0.097		VTmag	11.129
E VTmag	0.094		Prox	12		TYC	T		HIP
CCDM			RAdeg	269.74389583		DEdeg	-17.90674167		EpRA 1990	1.82
EpDE 1990	1.78		E RAdeg	52.0		E DEdeg	68.2		Posflg	D
Corr	0.0

17590-1754 B

Componente originario normalizzato	AB		Coord arcsec 2000	175858.56-175422.5		Mag	11.52		PmRA	0.00
PmDE	1.0		Tycho2	6254-01050-2		HD	312381		Calc delta mag	0.39
Calc coord	yes

Tycho2

Tycho2	6254-01050-2		Pflag	P		RAmdeg	269.74393479		DEmdeg	-17.90658225
PmRA	0.4		PmDE	0.9		E RAmdeg	51		E DEmdeg	65
E pmRA	3.2		E pmDE	3.3		EpRAm	1988.38		EpDEm	1986.29
Num	3		Q RAmdeg	0.3		Q DEmdeg	2.5		Q pmRA	0.3
Q pmDE	2.5		BTmag	11.880		E BTmag	0.108		VTmag	11.517
E VTmag	0.129		Prox	12		TYC	T		HIP
CCDM			RAdeg	269.74397722		DEdeg	-17.90640639		EpRA 1990	1.83
EpDE 1990	1.78		E RAdeg	62.8		E DEdeg	82.7		Posflg	D
Corr	0.0