WDS 08306-4031 DUN 71 (HD 72317)

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08306-4031
DUN 71
HD 72317

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

WDS 08306-4031 : COMPONENTS

	A
B	pa=43.7° sep=54.80"

08306-4031 A

Componente originario normalizzato	AB		Name	HD 72318		Coord arcsec 2000	083034.41-403042.0		Mag	7.01
Spectral class	B8V (blue-white)		PmRA	-8.00		PmDE	5.0		SAO	220020
HIP	41730		Tycho2	7666-01224-1		HD	72318		GC	11660
CD	CD-40 4328		CP	CP-40 2570

Tycho2

Tycho2	7666-01224-1		Pflag			RAmdeg	127.64339296		DEmdeg	-40.51166478
PmRA	-6.3		PmDE	5.6		E RAmdeg	4		E DEmdeg	4
E pmRA	1.3		E pmDE	1.2		EpRAm	1991.47		EpDEm	1991.69
Num	13		Q RAmdeg	0.8		Q DEmdeg	0.8		Q pmRA	0.7
Q pmDE	0.7		BTmag	6.927		E BTmag	0.015		VTmag	7.014
E VTmag	0.010		Prox	636		TYC	T		HIP	41730
CCDM			RAdeg	127.64341222		DEdeg	-40.51167750		EpRA 1990	1.62
EpDE 1990	1.84		E RAdeg	3.9		E DEdeg	3.7		Posflg
Corr	0.0

SAO

SAO	220020		DelFlag			RA1950			PmRA1950	-0.0021
DE1950			PmDE1950	-0.005		Vmag	7.1		SpType	B9
Double code			Source	70		CatNum	11660		DM	CD-40 4328
DMcomp			BDsup			HD	72318		M HD	0
GC	11660		RA1950rad	2.21990071		DE1950rad	-0.70411104		PmRA2000	-0.0015
PmDE2000	-0.003

Hipparcos

Catalog	H		HIP	41730		Proxy			RAhms	08 30 34.42
DEdms	-40 30 42.0		Vmag	7.05		VarFlag			R Vmag	H
RAdeg	127.643		DEdeg	-40.5117		AstroRef			Plx	4.21
CCDM	08306-4030		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	72318		BD
CD	CD-40 4328		CP	CP-40 2570		Dm number	-40 4328		VIred	-0.06
SpType	B8V		R SpType			Coord arcsec 2000	083034.42-403042.0

Hipparcos 2

HIP	41730		Sn	5		So	0		Nc	1
RArad	2.2277978321		DErad	-0.7070621658		Plx	3.92		PmRA	-7.73
PmDE	5.06		E RArad	0.32		E DErad	0.38		E Plx	0.45
E pmRA	0.36		E pmDE	0.41		Hpmag	7.0239		E Hpmag	0.0011
SHp	0.011		VA	0		BV	-0.081		E BV	0.006
VI	-0.06

08306-4031 B

Componente originario normalizzato	AB		Coord arcsec 2000	083037.73-403002.4		Mag	7.66		Spectral class	K4III (yellow-orange)
PmRA	5.00		PmDE	-12.0		SAO	220024		HIP	41736
Tycho2	7666-01627-1		HD	72317		GC	11667		CD	CD-40 4330
CP	CP-40 2573		Calc delta mag	0.65		Calc coord	yes

Tycho2

Tycho2	7666-01627-1		Pflag			RAmdeg	127.66157064		DEmdeg	-40.50067275
PmRA	6.3		PmDE	-15.3		E RAmdeg	6		E DEmdeg	5
E pmRA	1.1		E pmDE	1.0		EpRAm	1990.81		EpDEm	1991.21
Num	14		Q RAmdeg	1.2		Q DEmdeg	1.0		Q pmRA	1.1
Q pmDE	1.0		BTmag	9.413		E BTmag	0.019		VTmag	7.659
E VTmag	0.011		Prox	636		TYC	T		HIP	41736
CCDM			RAdeg	127.66155194		DEdeg	-40.50063806		EpRA 1990	1.64
EpDE 1990	1.87		E RAdeg	5.5		E DEdeg	5.2		Posflg
Corr	0.1

SAO

SAO	220024		DelFlag			RA1950			PmRA1950	-0.0023
DE1950			PmDE1950	-0.004		Vmag	7.9		SpType	K5
Double code			Source	70		CatNum	11667		DM	CD-40 4330
DMcomp			BDsup			HD	72317		M HD	0
GC	11667		RA1950rad	2.22020842		DE1950rad	-0.70390685		PmRA2000	-0.0017
PmDE2000	-0.002

Hipparcos

Catalog	H		HIP	41736		Proxy			RAhms	08 30 38.77
DEdms	-40 30 02.3		Vmag	7.52		VarFlag	1		R Vmag	G
RAdeg	127.662		DEdeg	-40.5006		AstroRef			Plx	2.7
CCDM	08306-4030		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	72317		BD
CD	CD-40 4330		CP	CP-40 2573		Dm number	-40 4330		VIred	1.52
SpType	K4III		R SpType			Coord arcsec 2000	083038.77-403002.3

Hipparcos 2

HIP	41736		Sn	5		So	0		Nc	1
RArad	2.2281143467		DErad	-0.7068694198		Plx	2.83		PmRA	4.58
PmDE	-11.98		E RArad	0.41		E DErad	0.49		E Plx	0.57
E pmRA	0.45		E pmDE	0.53		Hpmag	7.6477		E Hpmag	0.0015
SHp	0.013		VA	0		BV	1.497		E BV	0.015
VI	1.52