WDS 19191-2018 I 647 (HD 180930)

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19191-2018
I 647
HD 180930

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

WDS 19191-2018 : COMPONENTS

	A
B	pa=348.1° sep=1.60"

19191-2018 A

Componente originario normalizzato	AB		Name	HD 180930		Coord arcsec 2000	191906.66-201745.9		Mag	9.85
Spectral class	A6/8III (white)		PmRA	4.00		PmDE	-2.0		Tycho2	6304-00563-1
HD	180930		ADS	12293		DM	BD-20 5491

Tycho2

Tycho2	6304-00563-1		Pflag	P		RAmdeg	289.77776872		DEmdeg	-20.29607975
PmRA	4.4		PmDE	-2.2		E RAmdeg	19		E DEmdeg	26
E pmRA	3.4		E pmDE	3.5		EpRAm	1991.31		EpDEm	1990.99
Num	3		Q RAmdeg	0.3		Q DEmdeg	0.4		Q pmRA	0.3
Q pmDE	0.4		BTmag	10.142		E BTmag	0.034		VTmag	9.850
E VTmag	0.038		Prox	16		TYC	T		HIP
CCDM			RAdeg	289.77777222		DEdeg	-20.29612250		EpRA 1990	1.76
EpDE 1990	1.79		E RAdeg	19.3		E DEdeg	25.9		Posflg	D
Corr	0.0

19191-2018 B

Componente originario normalizzato	AB		Coord arcsec 2000	191906.64-201744.3		Mag	11.46		PmRA	4.00
PmDE	-2.0		Tycho2	6304-00563-2		Calc delta mag	1.61		Calc coord	yes

Tycho2

Tycho2	6304-00563-2		Pflag	P		RAmdeg	289.77776872		DEmdeg	-20.29607975
PmRA	4.4		PmDE	-2.2		E RAmdeg	19		E DEmdeg	26
E pmRA	3.4		E pmDE	3.5		EpRAm	1991.31		EpDEm	1990.99
Num	3		Q RAmdeg	0.3		Q DEmdeg	0.4		Q pmRA	0.3
Q pmDE	0.4		BTmag	11.778		E BTmag	0.114		VTmag	11.456
E VTmag	0.152		Prox	16		TYC			HIP
CCDM			RAdeg	289.77764583		DEdeg	-20.29569333		EpRA 1990	1.76
EpDE 1990	1.80		E RAdeg	123.3		E DEdeg	166.8		Posflg	D
Corr	0.0