18431-4134 I 1380

18^h 43^m 03.18^s -41° 34' 43.3" P.A. 170.00 sep 1.5 mag 11.13,11.96

Coord 2000	18431-4134	Discov num	I 1380	Comp		Coord arcsec 2000	18 43 03.18 -41 34 43.3
Date first	1926	Date last	2016	Obs	5
Pa first	171	Pa last	170	P.A. Now (θ)	170°
Sep first	1.6	Sep last	1.535	Sep. Now (ρ)	1.535"
Mag pri	11.13	Mag sec	11.96	delta mag (ΔM)	0.83	Spectral class
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-001	Sec motion dec	-001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Austrina

Tycho2

7923-02045-1

Gaia DR2

6722393721195292928

WDS 18431-4134 I 1380 : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	I	Innes, R.T.A.
5	I	MNRAS 57, 533, 1897 (data also in I__1897b,
5	I	I__1897c)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18431-4134	I 1380		1991	4	168	1.4	11.13	11.96			184303.18-413443.3
18431-4134	I 1380		2016	5	170	1.5	11.13	11.96			184303.18-413443.3

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WDS 18431-4134 I 1380 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18431-4134 I 1380 : MEASURES

No records found.

WDS 18431-4134 : VIRTUAL EYEPIECE

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WDS 18431-4134 : ALADIN DSS IMAGE @ 18^h 43^m 03.18^s -41° 34' 43.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18431-4134 I 1380 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18431-4134	I 1380		170	1.5	0
Show		18449-4146	BRT1076		15	4.1	24
Show		18455-4155	FAL 64	AB	134	11.9	34
Show		18400-4137	I 1377		81	1.7	35
Show		18459-4158	UC 3665		87	37.2	40
Show		18402-4200	UC 3634		112	43.8	41
Show		18412-4210	I 250		110	1.2	41
Show		18418-4054	TDT1005		33	1.0	44
Show		18420-4050	UC 3643		275	23.0	46
Show		18463-4206	DON 922		316	8.4	48
Show		18387-4127	HJ 5052		130	5.7	50
Show		18470-4110	TDS 944		139	2.4	51
Show		18411-4227	TDS 932		0	4.0	58
Show		18459-4046	HDS2661	AB	263	4.3	58
Show		18457-4226	HDS2660		354	0.1	59
Show		18378-4148	BRT1071		353	3.6	61
Show		18420-4034	UC 3642		337	47.0	63
Show		18421-4237	UC 3645		333	14.3	64
Show		18489-4120	RST2075		96	9.5	67
Show		18482-4216	CPO9001		216	2.6	72
Show		18367-4137	CPO 593		257	3.7	72
Show		18366-4140	RST2067		192	1.6	73
Show		18494-4120	TDT1073		3	0.5	74
Show		18370-4207	I 1374		119	2.2	76
Show		18464-4025	RST2072	AB	241	1.5	80
Show		18464-4025	RST2072	AC	22	10.5	80
Show		18464-4025	UC 3667	CD	147	42.0	80
Show		18382-4240	CPO 595		17	3.9	85
Show		18385-4247	DON 915		211	2.5	88
Show		18477-4024	UC 3673		244	19.6	89
Show		18377-4029	RST2068		190	2.0	90
Show		18368-4233	CRI 20		92	8.4	91
Show		18510-4104	HJ 5066		85	10.1	95
Show		18345-4127	RST2063		181	6.3	97
Show		18493-4028	UC 3683		270	22.6	98
Show		18352-4048	CPO 591		7	5.2	100
Show		18522-4143	I 1385	BC	292	0.6	103
Show		18522-4143	HDO 291	A,BC	341	36.6	103
Show		18469-3959	UC 3668		22	40.3	106
Show		18486-4007	TOI1081		150	0.3	108
Show		18524-4111	UC 3704		144	64.9	109
Show		18341-4218	DON 910		143	0.6	109
Show		18404-4320	SKF1149		22	42.5	110
Show		18472-4315	BRT1078		302	3.2	110
Show		18468-4318	BRT1077		331	4.1	111
Show		18530-4143	UC 3710		97	52.0	112
Show		18450-3945	SKF2070		106	17.6	112
Show		18329-4156	B 2453		256	6.3	116
Show		18496-4005	UC 3688		65	22.7	117
Show		18408-4330	DON 918		130	2.1	119
Show		18508-4301	UC 3694		319	27.5	122

WDS 18431-4134 : COMPONENTS

	A
B	pa=172.5° sep=1.52"

18431-4134 A

Coord arcsec 2000	184303.18-413443.3		Mag	11.13		PmRA	-2.00		PmDE	-1.0
Tycho2	7923-02045-1

Tycho2

Tycho2	7923-02045-1	Pflag	P	RAmdeg	280.76324124	DEmdeg	-41.57869180
PmRA	-1.8	PmDE	-0.5	E RAmdeg	49	E DEmdeg	56
E pmRA	2.4	E pmDE	2.2	EpRAm	1986.85	EpDEm	1983.72
Num	3	Q RAmdeg	0.8	Q DEmdeg	1.1	Q pmRA	0.8
Q pmDE	1.0	BTmag	11.651	E BTmag	0.082	VTmag	11.134
E VTmag	0.089	Prox	14	TYC	T	HIP
CCDM		RAdeg	280.76322139	DEdeg	-41.57860056	EpRA 1990	1.61
EpDE 1990	1.59	E RAdeg	49.6	E DEdeg	59.3	Posflg	D
Corr	-0.1

18431-4134 B

Coord arcsec 2000	184303.20-413444.8		Mag	11.96		PmRA	-2.00		PmDE	-1.0
Tycho2	7923-02045-2		Calc delta mag	0.83		Calc coord	yes

Tycho2

Tycho2	7923-02045-2	Pflag	P	RAmdeg	280.76324124	DEmdeg	-41.57869180
PmRA	-1.8	PmDE	-0.5	E RAmdeg	49	E DEmdeg	56
E pmRA	2.4	E pmDE	2.2	EpRAm	1986.85	EpDEm	1983.72
Num	3	Q RAmdeg	0.8	Q DEmdeg	1.1	Q pmRA	0.8
Q pmDE	1.0	BTmag	12.458	E BTmag	0.221	VTmag	11.955
E VTmag	0.200	Prox	14	TYC		HIP
CCDM		RAdeg	280.76332861	DEdeg	-41.57897917	EpRA 1990	1.60
EpDE 1990	1.58	E RAdeg	91.4	E DEdeg	108.8	Posflg	D
Corr	-0.1