WDS 21542+0459 OSO 160 AB

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21542+0459
OSO 160 AB

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

WDS 21542+0459 : COMPONENTS

	A	B
B	pa=315.9° sep=13.81"
C	pa=225.0° sep=25.56"	pa=196.8° sep=29.25"

21542+0459 A

Coord arcsec 2000	215411.34+045844.8		Mag	9.26		Spectral class	G3V (yellow)		PmRA	273.00
PmDE	-15.0		HIP	108103		Tycho2	0553-00345-1		BD	BD+04 4762

Tycho2

Tycho2	0553-00345-1		Pflag			RAmdeg	328.54726155		DEmdeg	4.97912935
PmRA	274.2		PmDE	-10.1		E RAmdeg	16		E DEmdeg	19
E pmRA	1.4		E pmDE	1.3		EpRAm	1988.71		EpDEm	1986.52
Num	10		Q RAmdeg	1.1		Q DEmdeg	0.9		Q pmRA	1.1
Q pmDE	0.9		BTmag	10.034		E BTmag	0.036		VTmag	9.383
E VTmag	0.027		Prox	999		TYC	T		HIP	108103
CCDM			RAdeg	328.54662500		DEdeg	4.97915333		EpRA 1990	1.66
EpDE 1990	1.47		E RAdeg	17.1		E DEdeg	21.5		Posflg
Corr	0.0

Hipparcos

Catalog	H		HIP	108103		Proxy			RAhms	21 54 11.18
DEdms	+04 58 44.9		Vmag	9.25		VarFlag			R Vmag	G
RAdeg	328.547		DEdeg	4.97915		AstroRef			Plx	15.44
CCDM			N CCDM			Nsys			Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD			BD	BD+04 4762
CD			CP			Dm number	+04 4762		VIred	0.7
SpType	G3V		R SpType			Coord arcsec 2000	215411.18+045844.9

Hipparcos 2

HIP	108103		Sn	5		So	0		Nc	1
RArad	5.734219916		DErad	0.0869025029		Plx	16.59		PmRA	277.97
PmDE	-11.77		E RArad	1.04		E DErad	0.8		E Plx	1.26
E pmRA	1.87		E pmDE	0.83		Hpmag	9.3961		E Hpmag	0.0023
SHp	0.014		VA	0		BV	0.63		E BV	0.002
VI	0.7

21542+0459 B

Coord arcsec 2000

215410.70+045854.7

Mag

14.9

Calc delta mag

5.64

Calc coord

yes

21542+0459 C

Coord arcsec 2000

215410.13+045826.7

Mag

15.7

Calc delta mag

6.44

Calc coord

yes