WDS 17364+6820 STU 10 BC

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17364+6820
STU 10 BC

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

WDS 17364+6820 : COMPONENTS

	A	Ab	B
Ab	pa=357.1° sep=0.28"
B	pa=209.5° sep=181.70"	pa=209.5° sep=181.94"
C	pa=104.1° sep=67.07"	pa=104.4° sep=67.16"	pa=47.5° sep=209.78"

17364+6820 A

Name	HD 160861		Coord arcsec 2000	173642.10+682259.0		Mag	8.09		Spectral class	F5V (yellow-white)
PmRA	0.00		PmDE	8.0		SAO	17570		HIP	86187
Tycho2	4428-01849-1		HD	160861		BD	BD+68 947

Tycho2

Tycho2	4428-01849-1		Pflag			RAmdeg	264.17545430		DEmdeg	68.38305902
PmRA	11.8		PmDE	81.1		E RAmdeg	6		E DEmdeg	6
E pmRA	1.3		E pmDE	1.3		EpRAm	1991.53		EpDEm	1991.44
Num	9		Q RAmdeg	1.3		Q DEmdeg	0.7		Q pmRA	1.4
Q pmDE	0.7		BTmag	8.559		E BTmag	0.018		VTmag	8.093
E VTmag	0.013		Prox	999		TYC	T		HIP	86187
CCDM			RAdeg	264.17538250		DEdeg	68.38287472		EpRA 1990	1.91
EpDE 1990	1.82		E RAdeg	6.3		E DEdeg	6.4		Posflg
Corr	-0.1

SAO

SAO	17570		DelFlag			RA1950			PmRA1950	-0.0003
DE1950			PmDE1950	0.066		Vmag	7.9		SpType	F5
Double code			Source	2		CatNum	734		DM	BD+68 947
DMcomp			BDsup			HD	160861		M HD	0
GC			RA1950rad	4.61174339		DE1950rad	1.19397758		PmRA2000	0.0008
PmDE2000	0.066

Hipparcos

Catalog	H		HIP	86187		Proxy			RAhms	17 36 42.09
DEdms	+68 22 58.3		Vmag	8.05		VarFlag			R Vmag	H
RAdeg	264.175		DEdeg	68.3829		AstroRef			Plx	11.3
CCDM	17366+6822		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	160861		BD	BD+68 947
CD			CP			Dm number	+68 947		VIred	0.59
SpType	F5		R SpType			Coord arcsec 2000	173642.09+682258.3

Hipparcos 2

HIP	86187		Sn	5		So	0		Nc	1
RArad	4.6107300273		DErad	1.1935060613		Plx	11.26		PmRA	5.22
PmDE	84.14		E RArad	0.49		E DErad	0.59		E Plx	0.53
E pmRA	0.61		E pmDE	0.78		Hpmag	8.147		E Hpmag	0.0015
SHp	0.013		VA	0		BV	0.441		E BV	0.016
VI	0.51

17364+6820 Ab

Coord arcsec 2000

173642.10+682259.3

Calc delta mag

9.15

Calc coord

yes

17364+6820 B

Coord arcsec 2000	173625.91+682020.9		Coord calc	173625.91+682020.9		Mag	9.33		Spectral class	M3.5V (red)
PmRA	-32.00		PmDE	-127.0		HIP	86162		Tycho2	4428-01943-1
BD	BD+68 946		Calc delta mag	0.18

Tycho2

Tycho2	4428-01943-1		Pflag			RAmdeg	264.10794483		DEmdeg	68.33913963
PmRA	-320.5		PmDE	-1270.7		E RAmdeg	16		E DEmdeg	17
E pmRA	1.3		E pmDE	1.4		EpRAm	1988.79		EpDEm	1988.51
Num	10		Q RAmdeg	1.4		Q DEmdeg	0.9		Q pmRA	1.5
Q pmDE	0.9		BTmag	11.077		E BTmag	0.058		VTmag	9.327
E VTmag	0.022		Prox	999		TYC	T		HIP	86162
CCDM			RAdeg	264.10988167		DEdeg	68.34204056		EpRA 1990	1.92
EpDE 1990	1.77		E RAdeg	17.5		E DEdeg	18.7		Posflg
Corr	-0.1

Hipparcos

Catalog	H		HIP	86162		Proxy			RAhms	17 36 26.41
DEdms	+68 20 32.0		Vmag	9.15		VarFlag			R Vmag	G
RAdeg	264.11		DEdeg	68.3422		AstroRef			Plx	220.85
CCDM	17366+6822		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD			BD	BD+68 946
CD			CP			Dm number	+68 946		VIred	2.11
SpType	M3.5Vvar		R SpType			Coord arcsec 2000	173626.41+682032.0

Hipparcos 2

HIP	86162		Sn	5		So	0		Nc	1
RArad	4.6095895489		DErad	1.1927968807		Plx	220.84		PmRA	-320.57
PmDE	-1269.33		E RArad	0.92		E DErad	1.05		E Plx	0.94
E pmRA	1.14		E pmDE	1.39		Hpmag	9.1467		E Hpmag	0.0029
SHp	0.017		VA	0		BV	1.505		E BV	0.013
VI	2.11

17364+6820 C

Coord arcsec 2000	173653.87+682242.6		Mag	11.38		PmRA	-3.00		PmDE	5.0
Calc delta mag	2.23		Calc coord	yes