18522-4143 HDO 291 A,BC (HD 174407)

18^h 52^m 11.94^s -41° 42' 33.1" P.A. 341.00 sep 36.6 mag 6.62,11.39 Sp K3III dist. 208.77 pc (681.01 l.y.)

Coord 2000	18522-4143	Discov num	HDO 291	Comp	A,BC	Coord arcsec 2000	18 52 11.94 -41 42 33.1
Date first	1897	Date last	2010	Obs	9
Pa first	322	Pa last	340.9	P.A. Now (θ)	340.9°
Sep first	25.0	Sep last	36.61	Sep. Now (ρ)	36.61"
Mag pri	6.62	Mag sec	11.39	delta mag (ΔM)	4.77	Spectral class	K3III (yellow-orange)
Pri motion ra	-008	Sec motion ra	+006
Pri motion dec	-030	Sec motion dec	-005
Notes

rPM=0.923

This double is not physical.

18522-4143 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 174407	229334	18 52 12 -41 42 33	HDO 291 A,BC	2010	9	341	36.6	6.62	11.39	4.77		<===
Show			18 52 11 -41 41 58	I 1385 BC	1926	1	292	0.6	10.20	12.20	2.00

Triple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 174407	Constellation	Corona Austrina	SAO	229334	HIP	92608
Tycho2	7924-02671-1	Gaia DR2	6716231302123894912	HD	174407	GC	25858
CD	CD-4113180	CP	CP-41 8794	Distance	208.77	Distance ly	681.01

WDS 18522-4143 HDO 291 A,BC (HD 174407) : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	HDO	Harvard Obs.
15	I	MNRAS 57, 533, 1897 (data also in I__1897b,
15	I	I__1897c)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18522-4143	HDO 291	A,BC	1999	7	342	36.7	6.62	10.10	K3III	D	185211.94-414233.1
18522-4143	HDO 291	A,BC	2010	8	341	36.6	6.62	10.10	K3III	D	185211.94-414233.1

If you need more information about this double, apply for a data request form to the WDS.

WDS 18522-4143 HDO 291 A,BC (HD 174407) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18522-4143 HDO 291 A,BC (HD 174407) : MEASURES

No records found.

WDS 18522-4143 (HD 174407) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18522-4143 (HD 174407) : ALADIN DSS IMAGE @ 18^h 52^m 11.94^s -41° 42' 33.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18522-4143 HDO 291 A,BC (HD 174407) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18522-4143	HDO 291	A,BC	341	36.6	1
Show		18522-4143	I 1385	BC	292	0.6	1
Show		18530-4143	UC 3710		97	52.0	10
Show		18524-4111	UC 3704		144	64.9	32
Show		18554-4131	BRT1082		273	2.8	39
Show		18494-4120	TDT1073		3	0.5	39
Show		18510-4104	HJ 5066		85	10.1	42
Show		18489-4120	RST2075		96	9.5	44
Show		18482-4216	CPO9001		216	2.6	56
Show		18548-4054	CPO 601		246	6.1	57
Show		18550-4050	RST2081		280	2.0	62
Show		18572-4114	UC 3736		46	53.2	64
Show		18561-4230	LDS 658		258	76.1	65
Show		18470-4110	TDS 944		139	2.4	67
Show		18463-4206	DON 922		316	8.4	71
Show		18459-4158	UC 3665		87	37.2	73
Show		18543-4252	DON 931		246	0.5	74
Show		18455-4155	FAL 64	AB	134	11.9	77
Show		18564-4040	WG 238		129	6.7	78
Show		18588-4115	TOI1061		174	0.4	79
Show		18565-4246	KPP 428		348	3.5	80
Show		18508-4301	UC 3694		319	27.5	81
Show		18449-4146	BRT1076		15	4.1	82
Show		18493-4028	UC 3683		270	22.6	82
Show		18565-4035	RSS 497		134	10.6	83
Show		18506-4304	BRT1080		308	5.5	84
Show		18457-4226	HDS2660		354	0.1	85
Show		18535-4019	TDT1115		260	0.7	86
Show		18599-4131	UC 3750		220	45.9	88
Show		18541-4310	BRT1081		246	3.8	90
Show		18459-4046	HDS2661	AB	263	4.3	91
Show		18572-4029	TDT1146		214	0.9	94
Show		18477-4024	UC 3673		244	19.6	95
Show		18464-4025	RST2072	AB	241	1.5	102
Show		18464-4025	RST2072	AC	22	10.5	102
Show		18464-4025	UC 3667	CD	147	42.0	102
Show		18496-4005	UC 3688		65	22.7	102
Show		18599-4054	LDS 661		47	10.9	103
Show		18431-4134	I 1380		170	1.5	103
Show		18486-4007	TOI1081		150	0.3	105
Show		18570-4012	NSN 486	BC	295	22.3	106
Show		18570-4012	NSN 486	AB	280	2.8	106
Show		18570-4012	NSN 486	AC	294	23.6	106
Show		18472-4315	BRT1078		302	3.2	108
Show		19021-4151	DON 939		89	1.3	112
Show		18525-3951	RST2080		157	3.9	112
Show		18468-4318	BRT1077		331	4.1	112
Show		18527-3950	WG 237		307	5.2	114
Show		18508-4335	DON 926		274	0.9	114
Show		18516-4337	UC 3698		114	50.9	116
Show		18481-4330	KPP4341	AB	144	2.1	117

WDS 18522-4143 : COMPONENTS

	A	B
B	pa=341.9° sep=36.72"
C	pa=341.4° sep=37.08"	pa=298.7° sep=0.49"

18522-4143 A

Name	HD 174407	Coord arcsec 2000	185211.94-414233.1	Mag	6.62	Spectral class	K3III (yellow-orange)
PmRA	-8.00	PmDE	-30.0	SAO	229334	HIP	92608
Tycho2	7924-02671-1	HD	174407	GC	25858	CD	CD-4113180
CP	CP-41 8794

Tycho2

Tycho2	7924-02671-1	Pflag		RAmdeg	283.04974341	DEmdeg	-41.70919664
PmRA	-8.8	PmDE	-30.4	E RAmdeg	4	E DEmdeg	5
E pmRA	0.7	E pmDE	0.7	EpRAm	1991.29	EpDEm	1990.85
Num	15	Q RAmdeg	1.2	Q DEmdeg	1.2	Q pmRA	1.4
Q pmDE	1.1	BTmag	8.365	E BTmag	0.017	VTmag	6.624
E VTmag	0.010	Prox	999	TYC	T	HIP	92608
CCDM		RAdeg	283.04977056	DEdeg	-41.70912667	EpRA 1990	1.84
EpDE 1990	1.72	E RAdeg	4.1	E DEdeg	4.8	Posflg
Corr	-0.1

SAO

SAO	229334	DelFlag		RA1950		PmRA1950	-0.0011
DE1950		PmDE1950	-0.027	Vmag	6.5	SpType	K2
Double code		Source	70	CatNum	25858	DM	CD-4113180
DMcomp		BDsup		HD	174407	M HD	0
GC	25858	RA1950rad	4.92473611	DE1950rad	-0.72901602	PmRA2000	-0.0011
PmDE2000	-0.029

Hipparcos

Catalog	H	HIP	92608	Proxy		RAhms	18 52 11.95
DEdms	-41 42 32.8	Vmag	6.47	VarFlag		R Vmag	H
RAdeg	283.05	DEdeg	-41.7091	AstroRef		Plx	4.78
CCDM	18522-4142	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	174407	BD
CD	CD-4113180	CP	CP-41 8794	Dm number	-4113180	VIred	1.44
SpType	K3III	R SpType		Coord arcsec 2000	185211.95-414232.8

Hipparcos 2

HIP	92608	Sn	5	So	0	Nc	1
RArad	4.9401504854	DErad	-0.7279614886	Plx	4.79	PmRA	-8.33
PmDE	-29.99	E RArad	0.5	E DErad	0.34	E Plx	0.59
E pmRA	0.65	E pmDE	0.48	Hpmag	6.604	E Hpmag	0.0013
SHp	0.01	VA	0	BV	1.426	E BV	0.01
VI	1.41

18522-4143 B

Coord arcsec 2000	185210.92-414158.2		Mag	10.2		PmRA	0.00		PmDE	-7.0
Calc delta mag	3.58

18522-4143 C

Coord arcsec 2000

185210.88-414158.0

Mag

12.2

Calc delta mag

5.58

Calc coord

yes