WDS 04490-4128 RST 1285 (HD 30831)

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04490-4128
RST 1285
HD 30831

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

WDS 04490-4128 : COMPONENTS

	A
B	pa=329.7° sep=0.61"

04490-4128 A

Componente originario normalizzato	AB		Name	HD 30831		Coord arcsec 2000	044902.31-412758.8		Mag	10.51
Spectral class	K2V: (yellow-orange)		PmRA	-40.00		PmDE	-126.0		HIP	22377
Tycho2	7589-01322-1		HD	30831		CD	CD-41 1583		CP	CP-41 572

Tycho2

Tycho2	7589-01322-1		Pflag	P		RAmdeg	72.25964365		DEmdeg	-41.46632756
PmRA	-39.7		PmDE	-125.5		E RAmdeg	33		E DEmdeg	31
E pmRA	2.4		E pmDE	2.2		EpRAm	1988.86		EpDEm	1988.97
Num	4		Q RAmdeg	1.9		Q DEmdeg	1.5		Q pmRA	1.9
Q pmDE	1.5		BTmag	11.318		E BTmag	0.062		VTmag	10.514
E VTmag	0.045		Prox	9		TYC	T		HIP	22377
CCDM	A		RAdeg	72.25986611		DEdeg	-41.46609861		EpRA 1990	1.57
EpDE 1990	1.66		E RAdeg	34.8		E DEdeg	31.6		Posflg	D
Corr	0.1

Hipparcos

Catalog	H		HIP	22377		Proxy	H		RAhms	04 49 02.37
DEdms	-41 27 57.9		Vmag	9.83		VarFlag			R Vmag	H
RAdeg	72.2599		DEdeg	-41.4661		AstroRef	A		Plx	6.77
CCDM	04490-4128		N CCDM	I		Nsys	1		Ncomp	2
MultFlag	C		Source			Qual	A		M HIP	AB
Theta	313		Rho	0.81		HD	30831		BD
CD	CD-41 1583		CP	CP-41 572		Dm number	-41 1583		VIred	2.6
SpType	K2V:		R SpType			Coord arcsec 2000	044902.37-412757.9

Hipparcos 2

HIP	22377		Sn	15		So	3		Nc	2
RArad	1.2611727419		DErad	-0.7237199088		Plx	6.94		PmRA	-39.21
PmDE	-131.27		E RArad	2.36		E DErad	2.62		E Plx	2.45
E pmRA	2.55		E pmDE	3.02		Hpmag	9.9472		E Hpmag	0.0035
SHp	0.034		VA	0		BV	0.73		E BV	0.043
VI	1.41

CCDM

Ccdm	04490-4128		RComp			Comp	A		Note1
Note2			Discov num			DRAs	2.46		DDEs	1.7
R dRAs	31		Year			Theta			Rho
Obs	2		Vmag	10.3		Sp	G5		PmNote	*
PmRA	-32		PmDE	-123		Dm number	-41 1583		Cat1	CD
Name2			Cat2			HD	30831		M HD
ADS BDS			M ADS BDS			N IDS			IDS	04458S4138A
HIC	22377

04490-4128 B

Componente originario normalizzato	AB		Coord arcsec 2000	044902.28-412758.3		Mag	10.72		PmRA	-40.00
PmDE	-126.0		HIP	22377		Tycho2	7589-01322-2		Calc delta mag	0.21
Calc coord	yes

Tycho2

Tycho2	7589-01322-2		Pflag	P		RAmdeg	72.25964365		DEmdeg	-41.46632756
PmRA	-39.7		PmDE	-125.5		E RAmdeg	33		E DEmdeg	31
E pmRA	2.4		E pmDE	2.2		EpRAm	1988.86		EpDEm	1988.97
Num	4		Q RAmdeg	1.9		Q DEmdeg	1.5		Q pmRA	1.9
Q pmDE	1.5		BTmag	11.670		E BTmag	0.076		VTmag	10.718
E VTmag	0.058		Prox	9		TYC	T		HIP	22377
CCDM	B		RAdeg	72.25962000		DEdeg	-41.46593694		EpRA 1990	1.57
EpDE 1990	1.66		E RAdeg	43.4		E DEdeg	39.5		Posflg	D
Corr	0.1

Hipparcos

Catalog	H		HIP	22377		Proxy	H		RAhms	04 49 02.37
DEdms	-41 27 57.9		Vmag	9.83		VarFlag			R Vmag	H
RAdeg	72.2599		DEdeg	-41.4661		AstroRef	A		Plx	6.77
CCDM	04490-4128		N CCDM	I		Nsys	1		Ncomp	2
MultFlag	C		Source			Qual	A		M HIP	AB
Theta	313		Rho	0.81		HD	30831		BD
CD	CD-41 1583		CP	CP-41 572		Dm number	-41 1583		VIred	2.6
SpType	K2V:		R SpType			Coord arcsec 2000	044902.37-412757.9

Hipparcos 2

HIP	22377		Sn	15		So	3		Nc	2
RArad	1.2611727419		DErad	-0.7237199088		Plx	6.94		PmRA	-39.21
PmDE	-131.27		E RArad	2.36		E DErad	2.62		E Plx	2.45
E pmRA	2.55		E pmDE	3.02		Hpmag	9.9472		E Hpmag	0.0035
SHp	0.034		VA	0		BV	0.73		E BV	0.043
VI	1.41

CCDM

Ccdm	04490-4128		RComp			Comp	B		Note1
Note2			Discov num	RST1285		DRAs			DDEs
R dRAs			Year	1931		Theta	300		Rho	1.0
Obs	4		Vmag	10.4		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	04458S4138B
HIC	22377