WDS 20492+3111 LDS 2930

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20492+3111
LDS 2930

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

WDS 20492+3111 : COMPONENTS

	A
B	pa=273.4° sep=18.97"

20492+3111 A

Componente originario normalizzato	AB		Coord arcsec 2000	204913.24+311102.4		Mag	10.5		PmRA	54.00
PmDE	19.0		Tycho2	2687-01507-1

Tycho2

Tycho2	2687-01507-1		Pflag			RAmdeg	312.30518569		DEmdeg	31.18400040
PmRA	54.4		PmDE	20.2		E RAmdeg	22		E DEmdeg	20
E pmRA	2.2		E pmDE	2.1		EpRAm	1988.76		EpDEm	1989.37
Num	4		Q RAmdeg	0.6		Q DEmdeg	0.8		Q pmRA	0.6
Q pmDE	0.9		BTmag	10.932		E BTmag	0.040		VTmag	10.498
E VTmag	0.037		Prox	999		TYC	T		HIP
CCDM			RAdeg	312.30503389		DEdeg	31.18395139		EpRA 1990	1.53
EpDE 1990	1.73		E RAdeg	25.3		E DEdeg	22.1		Posflg
Corr	0.1

CCDM

Ccdm	20492+3111		RComp			Comp	A		Note1
Note2			Discov num			DRAs	1.28		DDEs	2.2
R dRAs	65		Year			Theta			Rho
Obs	2		Vmag	10.7		Sp			PmNote	*
PmRA	59		PmDE	10		Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	20451N3049A
HIC

20492+3111 B

Componente originario normalizzato	AB		Coord arcsec 2000	204911.76+311103.5		Mag	15.7		Calc delta mag	5.2
Calc coord	yes

CCDM

Ccdm	20492+3111		RComp			Comp	B		Note1
Note2			Discov num	LDS2930		DRAs	-0.45		DDEs	3.3
R dRAs	65		Year	1953		Theta	273		Rho	22.0
Obs	1		Vmag	15.9		Sp			PmNote
PmRA	59		PmDE	10		Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	20451N3049B
HIC