WDS 21052+1936 HDS 3005

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21052+1936
HDS 3005

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

WDS 21052+1936 : COMPONENTS

	A
B	pa=13.3° sep=0.25"

21052+1936 A

Componente originario normalizzato	AB		Coord arcsec 2000	210509.26+193605.0		Mag	12.3		Spectral class	K:... (yellow-orange)
PmRA	-201.00		PmDE	-567.0		HIP	104078

Hipparcos

Catalog	H		HIP	104078		Proxy	H		RAhms	21 05 09.41
DEdms	+19 36 11.0		Vmag	11.61		VarFlag			R Vmag	G
RAdeg	316.289		DEdeg	19.603		AstroRef	A		Plx	18.6
CCDM	21052+1936		N CCDM	H		Nsys	1		Ncomp	2
MultFlag	C		Source			Qual	B		M HIP	AB
Theta	336		Rho	0.326		HD			BD
CD			CP			Dm number			VIred	1.4
SpType	K:...		R SpType			Coord arcsec 2000	210509.41+193611.0

Hipparcos 2

HIP	104078		Sn	15		So	3		Nc	2
RArad	5.5202878642		DErad	0.3421376833		Plx	14.36		PmRA	-200.56
PmDE	-567.37		E RArad	3.06		E DErad	2.34		E Plx	4.21
E pmRA	4.26		E pmDE	2.99		Hpmag	11.7831		E Hpmag	0.0088
SHp	0.062		VA	0		BV	1.244		E BV	0.02
VI	1.4

CCDM

Ccdm	21052+1936		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-2.72		DDEs	6.0
R dRAs	82		Year			Theta			Rho
Obs	2		Vmag	12.3		Sp	K:		PmNote	*
PmRA	-201		PmDE	-567		Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC	104078

21052+1936 B

Componente originario normalizzato	AB		Coord arcsec 2000	210509.26+193605.2		Mag	12.84		Calc delta mag	0.54
Calc coord	yes

CCDM

Ccdm	21052+1936		RComp			Comp	B		Note1
Note2			Discov num	HDS		DRAs	-2.73		DDEs	6.3
R dRAs	82		Year	1991		Theta	336		Rho	0.3
Obs	1		Vmag	12.8		Sp			PmNote	*
PmRA	-201		PmDE	-567		Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC	104078