WDS 18334-3844 DUN 222 (Kap2 CrA)

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18334-3844
DUN 222
Kap2 CrA

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Binocular doubles
Binary Systems
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 18334-3844 : COMPONENTS

	A
B	pa=358.9° sep=20.47"

18334-3844 A

Componente originario normalizzato	AB		Name	Kap2 CrA		Coord arcsec 2000	183323.13-384333.6		Mag	5.58
Spectral class	B9V (blue-white)		PmRA	-1.00		PmDE	-22.0		SAO	210293
HIP	90968		Tycho2	7902-00891-1		HD	170868		HR	6952
GC	25315		CD	CD-3812895		CP	CP-38 7537		Bayer	Kappa 2 Coronae Austrinae
Bayer name	Kap2 Cra

Tycho2

Tycho2	7902-00891-1		Pflag			RAmdeg	278.34638953		DEmdeg	-38.72598705
PmRA	-0.6		PmDE	-21.8		E RAmdeg	3		E DEmdeg	4
E pmRA	1.2		E pmDE	1.1		EpRAm	1991.74		EpDEm	1991.44
Num	14		Q RAmdeg	1.3		Q DEmdeg	3.0		Q pmRA	1.4
Q pmDE	2.9		BTmag	5.499		E BTmag	0.014		VTmag	5.578
E VTmag	0.009		Prox	214		TYC	T		HIP	90968
CCDM	A		RAdeg	278.34639111		DEdeg	-38.72593750		EpRA 1990	1.87
EpDE 1990	1.78		E RAdeg	3.4		E DEdeg	3.8		Posflg	D
Corr	0.0

SAO

SAO	210293		DelFlag	D		RA1950			PmRA1950	-0.0002
DE1950			PmDE1950	-0.016		Vmag	6.6		SpType	A
Double code			Source	41		CatNum	9549		DM	CD-3812896
DMcomp			BDsup			HD	170868		M HD	0
GC	25315		RA1950rad	4.84300928		DE1950rad	-0.67645231		PmRA2000	-0.0002
PmDE2000	-0.017

Hipparcos

Catalog	H		HIP	90968		Proxy			RAhms	18 33 23.13
DEdms	-38 43 33.4		Vmag	5.67		VarFlag			R Vmag	H
RAdeg	278.346		DEdeg	-38.7259		AstroRef	A		Plx	1.9
CCDM	18334-3843		N CCDM	I		Nsys	2		Ncomp	1
MultFlag	C		Source	P		Qual	A		M HIP
Theta			Rho			HD	170868		BD
CD	CD-3812895		CP	CP-38 7537		Dm number	-3812895		VIred	-0.04
SpType	B9.5		R SpType			Coord arcsec 2000	183323.13-384333.4

Hipparcos 2

HIP	90968		Sn	95		So	3		Nc	1
RArad	4.8580609437		DErad	-0.6758950363		Plx	3.35		PmRA	2.76
PmDE	-21.97		E RArad	1.9		E DErad	1.3		E Plx	2.1
E pmRA	2.48		E pmDE	1.53		Hpmag	5.6534		E Hpmag	0.0435
SHp	0.055		VA	0		BV	-0.06		E BV	0.02
VI	-0.04

18334-3844 B

Componente originario normalizzato	AB		Coord arcsec 2000	183323.10-384313.1		Mag	6.16		Spectral class	A0III (white)
PmRA	-2.00		PmDE	-29.0		SAO	210295		HIP	90969
Tycho2	7902-01905-1		HD	170867		HR	6953		GC	25314
CD	CD-3812896		CP	CP-38 7538		Bayer	Kappa 1 Coronae Austrinae		Bayer name	Kap1 Cra
Calc delta mag	0.58		Calc coord	yes

Tycho2

Tycho2	7902-01905-1		Pflag			RAmdeg	278.34616930		DEmdeg	-38.72007117
PmRA	-2.1		PmDE	-28.6		E RAmdeg	4		E DEmdeg	4
E pmRA	3.3		E pmDE	3.1		EpRAm	1991.84		EpDEm	1991.74
Num	3		Q RAmdeg	1.2		Q DEmdeg	1.0		Q pmRA	1.2
Q pmDE	1.1		BTmag	6.128		E BTmag	0.014		VTmag	6.163
E VTmag	0.010		Prox	214		TYC	T		HIP	90969
CCDM	B		RAdeg	278.34617556		DEdeg	-38.72000583		EpRA 1990	1.86
EpDE 1990	1.76		E RAdeg	3.5		E DEdeg	4.1		Posflg
Corr	0.1

SAO

SAO	210295		DelFlag			RA1950			PmRA1950	-0.0003
DE1950			PmDE1950	-0.029		Vmag	6		SpType	B8
Double code			Source	70		CatNum	25314		DM	CD-3812896
DMcomp			BDsup			HD	170867		M HD	0
GC	25314		RA1950rad	4.84301388		DE1950rad	-0.67656238		PmRA2000	-0.0003
PmDE2000	-0.03

Hipparcos

Catalog	H		HIP	90969		Proxy			RAhms	18 33 23.08
DEdms	-38 43 12.0		Vmag	6.31		VarFlag			R Vmag	G
RAdeg	278.346		DEdeg	-38.72		AstroRef	B		Plx	6.67
CCDM	18334-3843		N CCDM	I		Nsys	2		Ncomp	1
MultFlag	C		Source	I		Qual	A		M HIP
Theta			Rho			HD	170867		BD
CD	CD-3812896		CP	CP-38 7538		Dm number	-3812896		VIred	0.04
SpType	B8		R SpType			Coord arcsec 2000	183323.08-384312.0

Hipparcos 2

HIP	90969		Sn	95		So	3		Nc	1
RArad	4.8580569747		DErad	-0.6757915108		Plx	21.18		PmRA	12.01
PmDE	-23.71		E RArad	5.89		E DErad	3.93		E Plx	6.53
E pmRA	7.63		E pmDE	4.57		Hpmag	6.4001		E Hpmag	0.0745
SHp	0		VA	0		BV	0.02		E BV	0.007
VI	0.04