WDS 21578-4255 DON 1020

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21578-4255
DON 1020

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

WDS 21578-4255 : COMPONENTS

	A
B	pa=43.4° sep=1.43"

21578-4255 A

Componente originario normalizzato	AB		Coord arcsec 2000	215750.80-425516.2		Mag	11.19		PmRA	18.00
PmDE	0.0		Tycho2	7990-00983-1		DM	CD-4314810

Tycho2

Tycho2	7990-00983-1		Pflag	P		RAmdeg	329.46166306		DEmdeg	-42.92117513
PmRA	17.5		PmDE	-0.4		E RAmdeg	39		E DEmdeg	57
E pmRA	2.4		E pmDE	2.3		EpRAm	1988.72		EpDEm	1983.41
Num	3		Q RAmdeg	1.9		Q DEmdeg	0.5		Q pmRA	1.9
Q pmDE	0.5		BTmag	11.744		E BTmag	0.079		VTmag	11.191
E VTmag	0.082		Prox	18		TYC	T		HIP
CCDM			RAdeg	329.46159472		DEdeg	-42.92118111		EpRA 1990	1.74
EpDE 1990	1.27		E RAdeg	40.1		E DEdeg	60.0		Posflg	D
Corr	0.0

21578-4255 B

Componente originario normalizzato	AB		Coord arcsec 2000	215750.89-425515.2		Mag	12.78		PmRA	18.00
PmDE	0.0		Tycho2	7990-00983-2		Calc delta mag	1.59		Calc coord	yes

Tycho2

Tycho2	7990-00983-2		Pflag	P		RAmdeg	329.46166306		DEmdeg	-42.92117513
PmRA	17.5		PmDE	-0.4		E RAmdeg	39		E DEmdeg	57
E pmRA	2.4		E pmDE	2.3		EpRAm	1988.72		EpDEm	1983.41
Num	3		Q RAmdeg	1.9		Q DEmdeg	0.5		Q pmRA	1.9
Q pmDE	0.5		BTmag	15.060		E BTmag	0.738		VTmag	12.782
E VTmag	0.269		Prox	18		TYC			HIP
CCDM			RAdeg	329.46217194		DEdeg	-42.92089278		EpRA 1990	1.73
EpDE 1990	1.27		E RAdeg	75.6		E DEdeg	113.0		Posflg	D
Corr	0.0