WDS 20447-0721 A 2999 (HD 197553)

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20447-0721
A 2999
HD 197553

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

WDS 20447-0721 : COMPONENTS

	A
B	pa=221.2° sep=2.04"

20447-0721 A

Componente originario normalizzato	AB		Name	HD 197553		Coord arcsec 2000	204440.02-072050.2		Mag	10.01
Spectral class	G5 (yellow)		PmRA	30.00		PmDE	-40.0		Tycho2	5189-00893-1
HD	197553

Tycho2

Tycho2	5189-00893-1		Pflag	P		RAmdeg	311.16674375		DEmdeg	-7.34728965
PmRA	30.2		PmDE	-39.9		E RAmdeg	17		E DEmdeg	21
E pmRA	1.9		E pmDE	1.9		EpRAm	1990.54		EpDEm	1989.84
Num	4		Q RAmdeg	0.2		Q DEmdeg	1.8		Q pmRA	0.2
Q pmDE	1.8		BTmag	10.847		E BTmag	0.038		VTmag	10.009
E VTmag	0.027		Prox	20		TYC	T		HIP
CCDM			RAdeg	311.16679000		DEdeg	-7.34706583		EpRA 1990	1.55
EpDE 1990	1.26		E RAdeg	17.2		E DEdeg	21.3		Posflg	D
Corr	-0.3

20447-0721 B

Componente originario normalizzato	AB		Coord arcsec 2000	204439.93-072051.7		Mag	10.76		PmRA	30.00
PmDE	-40.0		Tycho2	5189-00893-2		Calc delta mag	0.75		Calc coord	yes

Tycho2

Tycho2	5189-00893-2		Pflag	P		RAmdeg	311.16674375		DEmdeg	-7.34728965
PmRA	30.2		PmDE	-39.9		E RAmdeg	17		E DEmdeg	21
E pmRA	1.9		E pmDE	1.9		EpRAm	1990.54		EpDEm	1989.84
Num	4		Q RAmdeg	0.2		Q DEmdeg	1.8		Q pmRA	0.2
Q pmDE	1.8		BTmag	11.377		E BTmag	0.058		VTmag	10.760
E VTmag	0.053		Prox	20		TYC	T		HIP
CCDM			RAdeg	311.16640833		DEdeg	-7.34747222		EpRA 1990	1.54
EpDE 1990	1.27		E RAdeg	30.7		E DEdeg	37.5		Posflg	D
Corr	-0.3