WDS 23103-5016 BVD 157 (HD 218644)

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23103-5016
BVD 157
HD 218644

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

WDS 23103-5016 : COMPONENTS

	A
B	pa=11.7° sep=52.22"

23103-5016 A

Componente originario normalizzato	AB		Name	HD 218644		Coord arcsec 2000	231018.13-501606.5		Mag	10.46
Spectral class	F9V (yellow-white)		PmRA	27.00		PmDE	-48.0		Tycho2	8454-00750-1
HD	218644

Tycho2

Tycho2	8454-00750-1		Pflag			RAmdeg	347.57563394		DEmdeg	-50.26859190
PmRA	26.3		PmDE	-52.5		E RAmdeg	27		E DEmdeg	24
E pmRA	1.5		E pmDE	1.4		EpRAm	1980.31		EpDEm	1980.73
Num	6		Q RAmdeg	1.4		Q DEmdeg	0.8		Q pmRA	1.5
Q pmDE	0.7		BTmag	11.225		E BTmag	0.057		VTmag	10.524
E VTmag	0.043		Prox	536		TYC	T		HIP
CCDM			RAdeg	347.57553833		DEdeg	-50.26847444		EpRA 1990	1.66
EpDE 1990	1.75		E RAdeg	33.6		E DEdeg	30.0		Posflg
Corr	0.0

23103-5016 B

Componente originario normalizzato	AB		Coord arcsec 2000	231019.23-501515.4		Mag	11.85		Spectral class	K2V (yellow-orange)
PmRA	27.00		PmDE	-48.0		Tycho2	8454-00716-1		Calc delta mag	1.39
Calc coord	yes

Tycho2

Tycho2	8454-00716-1		Pflag			RAmdeg	347.58277311		DEmdeg	-50.25440762
PmRA	24.4		PmDE	-51.5		E RAmdeg	95		E DEmdeg	84
E pmRA	2.6		E pmDE	2.4		EpRAm	1972.86		EpDEm	1973.54
Num	3		Q RAmdeg	0.4		Q DEmdeg	0.1		Q pmRA	0.4
Q pmDE	0.1		BTmag	12.944		E BTmag	0.258		VTmag	12.273
E VTmag	0.198		Prox	536		TYC			HIP
CCDM			RAdeg	347.58268472		DEdeg	-50.25429000		EpRA 1990	1.66
EpDE 1990	1.77		E RAdeg	107.3		E DEdeg	94.8		Posflg
Corr	0.0