WDS 18286+0451 STTA 168 AB (HD 170316)

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18286+0451
STTA 168 AB
HD 170316

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

WDS 18286+0451 : COMPONENTS

	A	B	C	D	E
B	pa=161.0° sep=47.17"
C	pa=217.0° sep=243.91"	pa=227.2° sep=221.05"
D	pa=209.4° sep=251.44"	pa=218.5° sep=222.97"	pa=136.1° sep=33.64"
E	pa=225.6° sep=303.56"	pa=234.2° sep=286.54"	pa=255.9° sep=72.27"	pa=274.1° sep=93.63"
F	pa=232.5° sep=287.87"	pa=241.8° sep=276.57"	pa=283.5° sep=83.90"	pa=292.7° sep=113.68"	pa=342.8° sep=38.90"

18286+0451 A

Name	HD 170316		Coord arcsec 2000	182833.52+045055.2		Mag	7.68		Spectral class	A0 (white)
PmRA	-7.00		PmDE	-8.0		SAO	123539		HIP	90547
Tycho2	0441-00170-1		HD	170316		BD	BD+04 3758

Tycho2

Tycho2	0441-00170-1		Pflag			RAmdeg	277.13966576		DEmdeg	4.84867893
PmRA	-10.0		PmDE	-8.4		E RAmdeg	4		E DEmdeg	5
E pmRA	1.5		E pmDE	1.4		EpRAm	1991.62		EpDEm	1991.26
Num	11		Q RAmdeg	0.5		Q DEmdeg	0.4		Q pmRA	0.4
Q pmDE	0.5		BTmag	7.710		E BTmag	0.015		VTmag	7.683
E VTmag	0.011		Prox	472		TYC	T		HIP	90547
CCDM			RAdeg	277.13968861		DEdeg	4.84869861		EpRA 1990	1.77
EpDE 1990	1.54		E RAdeg	4.1		E DEdeg	4.8		Posflg
Corr	-0.4

SAO

SAO	123539		DelFlag			RA1950			PmRA1950	0
DE1950			PmDE1950	-0.007		Vmag	8.1		SpType	A0
Double code			Source	32		CatNum	8547		DM	BD+04 3758
DMcomp			BDsup			HD	170316		M HD	0
GC			RA1950rad	4.82622614		DE1950rad	0.08404845		PmRA2000	0.0002
PmDE2000	-0.008

Hipparcos

Catalog	H		HIP	90547		Proxy			RAhms	18 28 33.53
DEdms	+04 50 55.3		Vmag	7.69		VarFlag			R Vmag	H
RAdeg	277.14		DEdeg	4.8487		AstroRef			Plx	3.64
CCDM	18285+0450		N CCDM	I		Nsys	1		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	170316		BD	BD+04 3758
CD			CP			Dm number	+04 3758		VIred	0.01
SpType	A0		R SpType			Coord arcsec 2000	182833.53+045055.3

Hipparcos 2

HIP	90547		Sn	5		So	0		Nc	1
RArad	4.8370001074		DErad	0.0846258013		Plx	4.11		PmRA	-10.33
PmDE	-9.48		E RArad	0.53		E DErad	0.47		E Plx	0.66
E pmRA	0.54		E pmDE	0.55		Hpmag	7.709		E Hpmag	0.0015
SHp	0.013		VA	0		BV	0.019		E BV	0.01
VI	0.04

18286+0451 B

Coord arcsec 2000	182834.55+045010.6		Mag	8.8		PmRA	5.00		PmDE	2.0
Tycho2	0441-00655-1		Calc delta mag	1.12		Calc coord	yes

Tycho2

Tycho2	0441-00655-1		Pflag			RAmdeg	277.14375308		DEmdeg	4.83623156
PmRA	6.7		PmDE	2.0		E RAmdeg	6		E DEmdeg	9
E pmRA	1.5		E pmDE	1.5		EpRAm	1991.47		EpDEm	1990.84
Num	9		Q RAmdeg	0.8		Q DEmdeg	1.6		Q pmRA	0.8
Q pmDE	1.6		BTmag	9.070		E BTmag	0.017		VTmag	8.799
E VTmag	0.015		Prox	472		TYC	T		HIP
CCDM			RAdeg	277.14373806		DEdeg	4.83622667		EpRA 1990	1.83
EpDE 1990	1.52		E RAdeg	6.3		E DEdeg	9.0		Posflg
Corr	-0.5

18286+0451 C

Coord arcsec 2000	182823.70+044740.4		Mag	9.34		PmRA	4.00		PmDE	-2.0
Tycho2	0441-01516-1		Calc delta mag	1.66		Calc coord	yes

Tycho2

Tycho2	0441-01516-1		Pflag			RAmdeg	277.09847650		DEmdeg	4.79476488
PmRA	4.6		PmDE	-1.1		E RAmdeg	12		E DEmdeg	16
E pmRA	1.4		E pmDE	1.4		EpRAm	1990.13		EpDEm	1988.48
Num	8		Q RAmdeg	0.7		Q DEmdeg	0.9		Q pmRA	0.7
Q pmDE	0.9		BTmag	10.875		E BTmag	0.046		VTmag	9.336
E VTmag	0.020		Prox	999		TYC	T		HIP
CCDM			RAdeg	277.09846500		DEdeg	4.79476583		EpRA 1990	1.79
EpDE 1990	1.50		E RAdeg	13.1		E DEdeg	18.3		Posflg
Corr	-0.2

18286+0451 D

Coord arcsec 2000	182825.26+044716.2		Mag	12.22		PmRA	-2.00		PmDE	-1.0
Calc delta mag	4.54		Calc coord	yes

18286+0451 E

Coord arcsec 2000	182819.01+044722.8		Mag	12.41		PmRA	0.00		PmDE	-3.0
Calc delta mag	4.73		Calc coord	yes

18286+0451 F

Coord arcsec 2000	182818.24+044760.0		Mag	12.83		PmRA	-1.00		PmDE	9.0
Calc delta mag	5.15		Calc coord	yes