18018-4907 TDT 644

18^h 01^m 49.93^s -49° 07' 22.2" P.A. 325.00 sep 1.2 mag 11.46,11.73

Coord 2000	18018-4907	Discov num	TDT 644	Comp		Coord arcsec 2000	18 01 49.93 -49 07 22.2
Date first	1991	Date last	2015	Obs	3
Pa first	334	Pa last	324.7	P.A. Now (θ)	324.7°
Sep first	1.3	Sep last	1.21	Sep. Now (ρ)	1.21"
Mag pri	11.46	Mag sec	11.73	delta mag (ΔM)	0.27	Spectral class
Pri motion ra	+000	Sec motion ra	+000
Pri motion dec	-001	Sec motion dec	-001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ara

Tycho2

8365-00538-1

Gaia DR2

6707017738274545920

WDS 18018-4907 TDT 644 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18018-4907	TDT 644		1991	1	334	1.3	11.46	11.73			180149.93-490722.2
18018-4907	TDT 644		2015	2	325	1.2	11.46	11.73			180149.93-490722.2

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WDS 18018-4907 TDT 644 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18018-4907 TDT 644 : MEASURES

No records found.

WDS 18018-4907 : VIRTUAL EYEPIECE

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WDS 18018-4907 : ALADIN DSS IMAGE @ 18^h 01^m 49.93^s -49° 07' 22.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18018-4907 TDT 644 : 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		18018-4907	TDT 644		325	1.2
Show		17595-4913	NZO 85		82	2.4	24
Show		18050-4917	B 2854		7	5.6	33
Show		17584-4904	CPO 567		51	3.8	35
Show		18020-4828	B 2427		296	0.7	39
Show		18065-4931	I 622		44	0.6	51
Show		18058-4831	BRT1018		72	9.6	54
Show		18047-4819	BRT1015		186	4.4	57
Show		17560-4858	KPP1457		28	11.0	59
Show		17595-5005	TDT 617		146	0.5	63
Show		18026-5013	HDS2540		14	16.8	67
Show		18071-4949	I 1350		210	0.6	67
Show		17583-5010	HDS2533		181	0.2	72
Show		18003-4753	BRT1008		318	4.2	76
Show		18088-4835	BRT1022		351	3.3	77
Show		17563-5003	TDT 582		41	2.3	77
Show		17569-5011	BRT1005		155	6.2	80
Show		18100-4852	HJ 5017		320	22.5	82
Show		17594-4746	I 110		124	1.5	85
Show		18011-5032	BRT1011		67	4.9	86
Show		17541-4821	B 1870		187	0.1	90
Show		17545-4814	TDT 565		280	0.4	91
Show		17555-4759	B 1873		342	0.2	93
Show		17537-5002	I 1344		163	0.8	96
Show		17556-5022	CPO 564	AB	132	4.2	97
Show		17525-4947	TDT 551		114	0.5	99
Show		17589-4732	CPO 569		339	4.5	101
Show		17512-4921	RST 951		119	2.5	105
Show		18063-5045	TDT 685		293	0.5	107
Show		18124-4836	I 1354		163	1.3	109
Show		18016-5056	RST3145		3	1.3	110
Show		18104-5019	RST 968		137	0.6	111
Show		17599-5058	TDT 620		265	1.4	113
Show		17506-4930	B 2416		97	8.4	113
Show		17520-4809	TDT 545		33	0.5	114
Show		17520-4807	TDT 544		277	0.5	115
Show		17516-4811	I 617		263	2.0	116
Show		17515-5007	HDS2519		257	0.2	117
Show		18129-4959	HRG 128		358	6.8	119
Show		18133-4955	B 2434		203	6.3	122
Show		17589-4709	TDT 609		316	3.5	123
Show		17557-5055	BRT1003		84	4.7	124
Show		17505-4817	HJ 4982		57	40.6	124
Show		18005-5112	TSN 28		119	5.4	126
Show		17500-4958	TDT 525		284	0.4	127
Show		18024-4700	I 1349		242	3.2	128
Show		18079-4713	BRT1020		250	4.7	130
Show		18075-5106	RST 964		232	5.4	132
Show		17509-4753	TDT 532		134	0.4	132
Show		17502-5017	HJ 4981		17	2.4	133
Show		18153-4928	TOK 915		283	0.1	133

WDS 18018-4907 : COMPONENTS

	A
B	pa=335.1° sep=1.09"

18018-4907 A

Componente originario normalizzato	AB		Coord arcsec 2000	180149.93-490722.2		Mag	11.46		PmRA	0.00
PmDE	-1.0		Tycho2	8365-00538-1

Tycho2

Tycho2	8365-00538-1	Pflag		RAmdeg	270.45801517	DEmdeg	-49.12278123
PmRA	0.4	PmDE	-0.9	E RAmdeg	46	E DEmdeg	63
E pmRA	2.2	E pmDE	2.2	EpRAm	1986.47	EpDEm	1980.19
Num	3	Q RAmdeg	0.7	Q DEmdeg	0.1	Q pmRA	0.7
Q pmDE	0.1	BTmag	11.826	E BTmag	0.085	VTmag	11.322
E VTmag	0.094	Prox	999	TYC		HIP
CCDM		RAdeg	270.45801389	DEdeg	-49.12277917	EpRA 1990	1.79
EpDE 1990	1.63	E RAdeg	47.7	E DEdeg	67.6	Posflg
Corr	0.1

18018-4907 B

Componente originario normalizzato	AB		Coord arcsec 2000	180149.88-490721.2		Mag	11.73		PmRA	0.00
PmDE	-1.0		Calc delta mag	0.27		Calc coord	yes