WDS 19221-0444 STF 2501 AB (HD 181806)

You're not logged.

Login

Create your own observing lists in a few clicks and save them.
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

19221-0444
STF 2501 AB
HD 181806

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 19221-0444 : COMPONENTS

	A	B
B	pa=21.2° sep=19.94"
C	pa=79.2° sep=7.83"	pa=178.4° sep=17.12"

19221-0444 A

Name	HD 181806		Coord arcsec 2000	192203.68-044420.0		Mag	7.76		Spectral class	F5 (yellow-white)
PmRA	10.00		PmDE	-55.0		SAO	143315		HIP	95202
Tycho2	5138-02405-1		HD	181806		GC	26711		BD	BD-05 4945

Tycho2

Tycho2	5138-02405-1		Pflag			RAmdeg	290.51535988		DEmdeg	-4.73902265
PmRA	8.4		PmDE	-56.0		E RAmdeg	4		E DEmdeg	5
E pmRA	1.2		E pmDE	1.1		EpRAm	1991.48		EpDEm	1991.16
Num	12		Q RAmdeg	1.5		Q DEmdeg	1.2		Q pmRA	1.4
Q pmDE	1.2		BTmag	8.240		E BTmag	0.015		VTmag	7.756
E VTmag	0.011		Prox	200		TYC	T		HIP	95202
CCDM	A		RAdeg	290.51534056		DEdeg	-4.73889250		EpRA 1990	1.80
EpDE 1990	1.65		E RAdeg	4.4		E DEdeg	5.3		Posflg
Corr	-0.1

SAO

SAO	143315		DelFlag			RA1950			PmRA1950	0.0001
DE1950			PmDE1950	-0.046		Vmag	7.7		SpType	F5
Double code			Source	70		CatNum	26711		DM	BD-05 4945
DMcomp			BDsup			HD	181806		M HD	0
GC	26711		RA1950rad	5.05887946		DE1950rad	-0.08437385		PmRA2000	0.0003
PmDE2000	-0.047

Hipparcos

Catalog	H		HIP	95202		Proxy			RAhms	19 22 03.68
DEdms	-04 44 20.0		Vmag	7.69		VarFlag			R Vmag	H
RAdeg	290.515		DEdeg	-4.73889		AstroRef	A		Plx	10.99
CCDM	19221-0444		N CCDM	I		Nsys	2		Ncomp	1
MultFlag	C		Source	P		Qual	A		M HIP
Theta			Rho			HD	181806		BD	BD-05 4945
CD			CP			Dm number	-05 4945		VIred	0.55
SpType	F5		R SpType			Coord arcsec 2000	192203.68-044420.0

Hipparcos 2

HIP	95202		Sn	95		So	3		Nc	1
RArad	5.0704492037		DErad	-0.0827091616		Plx	10.24		PmRA	9.08
PmDE	-54.4		E RArad	1.15		E DErad	0.72		E Plx	1.31
E pmRA	1.49		E pmDE	1.05		Hpmag	7.7939		E Hpmag	0.0174
SHp	0.039		VA	0		BV	0.475		E BV	0.012
VI	0.55

CCDM

Ccdm	19221-0444		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-2.38		DDEs	-20.0
R dRAs	10		Year			Theta			Rho
Obs	3		Vmag	7.7		Sp	F5		PmNote	*
PmRA	2		PmDE	-47		Dm number	-05 4945		Cat1	BD
Name2	143315		Cat2	SAO		HD	181806		M HD
ADS BDS	A12347		M ADS BDS			N IDS			IDS	19168S0456A
HIC	95202

19221-0444 B

Coord arcsec 2000	192204.16-044401.4		Mag	9.67		PmRA	10.00		PmDE	-54.0
HIP	95205		BD	BD-05 4946		Calc delta mag	1.91		Calc coord	yes

Hipparcos

Catalog	H		HIP	95205		Proxy			RAhms	19 22 04.17
DEdms	-04 44 01.4		Vmag	9.9		VarFlag			R Vmag	H
RAdeg	290.517		DEdeg	-4.73372		AstroRef	B		Plx	10.99
CCDM	19221-0444		N CCDM	I		Nsys	2		Ncomp	1
MultFlag	C		Source	F		Qual	A		M HIP
Theta			Rho			HD			BD	BD-05 4946
CD			CP			Dm number	-05 4946		VIred	0.73
SpType			R SpType			Coord arcsec 2000	192204.17-044401.4

Hipparcos 2

HIP	95205		Sn	95		So	3		Nc	1
RArad	5.0704847034		DErad	-0.0826190895		Plx	-36.49		PmRA	39.25
PmDE	-58.12		E RArad	10.07		E DErad	6.44		E Plx	13.04
E pmRA	13.74		E pmDE	10.53		Hpmag	9.6127		E Hpmag	0.0769
SHp	0		VA	0		BV	0.743		E BV	0.041
VI	0.79

CCDM

Ccdm	19221-0444		RComp			Comp	B		Note1
Note2			Discov num	STF2501		DRAs	-1.71		DDEs	-2.2
R dRAs	10		Year	1829		Theta	022		Rho	19.8
Obs	9		Vmag	10.2		Sp			PmNote	*
PmRA	36		PmDE	-59		Dm number	-05 4946		Cat1	BD
Name2	143316		Cat2	SAO		HD			M HD
ADS BDS	A12347		M ADS BDS			N IDS			IDS	19168S0456B
HIC	95205

19221-0444 C

Coord arcsec 2000

192204.19-044418.5

Mag

14

Calc delta mag

6.24

Calc coord

yes

CCDM

Ccdm	19221-0444		RComp			Comp	C		Note1
Note2			Discov num	STF2501		DRAs			DDEs
R dRAs			Year	1901		Theta	108		Rho	9.6
Obs	1		Vmag	13.9		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS	A12347		M ADS BDS			N IDS			IDS	19168S0456C
HIC	95202