18326-1657 ARA 283 AB

18^h 32^m 35.40^s -16° 56' 26.3" P.A. 34.00 sep 11.9 mag 10.41,10.61

Coord 2000	18326-1657	Discov num	ARA 283	Comp	AB	Coord arcsec 2000	18 32 35.40 -16 56 26.3
Date first	1905	Date last	2018	Obs	11
Pa first	41	Pa last	34.3	P.A. Now (θ)	34.3°
Sep first	10.5	Sep last	11.897	Sep. Now (ρ)	11.897"
Mag pri	10.41	Mag sec	10.61	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-009	Sec motion ra	+001
Pri motion dec	-020	Sec motion dec	-007
Notes

rPM=0.748

Nature of this double is uncertain.

18326-1657 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 32 35 -16 56 26	ARA 283 AB	2018	11	34	11.9	10.41	10.61	0.20		<===
Show			18 32 35 -16 56 26	ARA 283 AC	2018	8	143	13.8	10.41	12.00	1.59

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6271-00570-1

Gaia DR2

4096777477646651776

WDS 18326-1657 ARA 283 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ara1961	Pa -	Aravamudan, S.	1961PASP...73..266A
Ara1961		PASP 73, 266, 1961
Ara1963	Pa -	Aravamudan, S.	.
Ara1963		Pub. Nizamiah Obs. 13, Pt.3, 1963

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18326-1657	ARA 283	AB	2005	6	35	11.4	10.41	10.61		D	183235.40-165626.3
18326-1657	ARA 283	AB	2017	8	35	11.9	10.41	10.61			183235.40-165626.3
18326-1657	ARA 283	AB	2018	11	35	11.9	10.41	10.61			183235.40-165626.3

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

WDS 18326-1657 ARA 283 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18326-1657 ARA 283 AB : MEASURES

No records found.

WDS 18326-1657 : VIRTUAL EYEPIECE

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

WDS 18326-1657 : ALADIN DSS IMAGE @ 18^h 32^m 35.40^s -16° 56' 26.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18326-1657 ARA 283 AB : 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		18326-1657	ARA 283	AB	34	11.9	1
Show		18326-1657	ARA 283	AC	143	13.8	1
Show		18328-1656	ARA 106		160	10.1	3
Show		18317-1658	HU 243		346	1.4	13
Show		18320-1641	ARA 105		144	14.5	19
Show		18338-1710	J 2216		19	3.6	22
Show		18318-1718	KPP4112		250	1.5	24
Show		18344-1707	J 2217		300	5.8	28
Show		18307-1639	ARA 104		205	11.1	33
Show		18351-1659	MCA 52		145	0.2	37
Show		18332-1620	ARA 107		221	8.3	39
Show		18347-1632	ARA 108		17	16.2	39
Show		18311-1730	J 1744		249	2.9	41
Show		18342-1741	ARA 284		69	5.4	51
Show		18363-1649	ARA 109		32	12.6	54
Show		18360-1625	TDT 954		204	2.0	59
Show		18284-1702	ARA 282		265	12.9	61
Show		18307-1559	ARA 103		189	13.9	64
Show		18295-1606	TDT 909		85	1.7	68
Show		18369-1617	ARA 110		279	15.0	74
Show		18326-1542	RBR 9		250	7.3	75
Show		18275-1711	RST3181		110	1.4	75
Show		18375-1619	ARA 111		197	9.2	80
Show		18271-1719	HDS2609		105	1.7	83
Show		18280-1747	RST3182		4	2.7	83
Show		18269-1712	BU 965		109	1.5	83
Show		18282-1602	RST4012		113	0.2	84
Show		18377-1742	FEN 32		119	4.2	87
Show		18314-1824	OCC 22	Aa,Ab	-1	0.1	90
Show		18314-1824	SEE 354	AB	182	23.2	90
Show		18307-1530	J 1653		237	6.7	92
Show		18266-1612	J 461		350	2.8	98
Show		18269-1753	ARA 281		102	13.8	99
Show		18396-1713	GWP2792		136	22.6	101
Show		18290-1823	ARA 485		185	9.8	102
Show		18299-1522	BRT 632		321	4.9	102
Show		18356-1833	RBR 10		320	4.9	106
Show		18254-1631	HU 64	AB	12	3.7	107
Show		18254-1631	HU 64	AC	18	15.6	107
Show		18254-1631	HU 64	AD	349	24.7	107
Show		18369-1532	J 2220		15	6.0	108
Show		18284-1527	FOX 82		73	4.4	108
Show		18293-1517	HU 67		322	1.7	111
Show		18264-1805	OCC9065		306	0.2	112
Show		18302-1844	OCC 988		-1	0.1	113
Show		18247-1648	KRV 49		331	7.9	113
Show		18268-1814	FEN 30		47	3.4	114
Show		18260-1801	ARA 479		136	8.1	114
Show		18369-1833	LEO 19		251	3.2	115
Show		18386-1816	ARA 486		20	14.6	117
Show		18275-1522	FOX 229	C,DE	243	6.7	118

WDS 18326-1657 : COMPONENTS

	A	B
B	pa=33.1° sep=11.74"
C	pa=144.1° sep=13.63"	pa=175.7° sep=20.93"

18326-1657 A

Coord arcsec 2000	183235.40-165626.3		Mag	10.41		PmRA	-9.00		PmDE	-20.0
Tycho2	6271-00570-1

Tycho2

Tycho2	6271-00570-1	Pflag		RAmdeg	278.14750926	DEmdeg	-16.94064821
PmRA	2.3	PmDE	-14.8	E RAmdeg	55	E DEmdeg	67
E pmRA	2.0	E pmDE	2.1	EpRAm	1981.11	EpDEm	1976.45
Num	4	Q RAmdeg	1.2	Q DEmdeg	2.6	Q pmRA	1.2
Q pmDE	2.6	BTmag	11.472	E BTmag	0.124	VTmag	10.413
E VTmag	0.080	Prox	114	TYC		HIP
CCDM		RAdeg	278.14750417	DEdeg	-16.94061222	EpRA 1990	1.79
EpDE 1990	1.80	E RAdeg	59.1	E DEdeg	74.4	Posflg
Corr	0.0

18326-1657 B

Coord arcsec 2000	183235.85-165616.5		Mag	10.61		PmRA	1.00		PmDE	-7.0
Tycho2	6271-00377-1		Calc delta mag	0.2		Calc coord	yes

Tycho2

Tycho2	6271-00377-1	Pflag		RAmdeg	278.14941013	DEmdeg	-16.93803672
PmRA	-0.9	PmDE	-0.4	E RAmdeg	64	E DEmdeg	76
E pmRA	2.1	E pmDE	2.2	EpRAm	1977.20	EpDEm	1971.69
Num	4	Q RAmdeg	0.7	Q DEmdeg	2.4	Q pmRA	0.7
Q pmDE	2.4	BTmag	11.684	E BTmag	0.144	VTmag	10.609
E VTmag	0.094	Prox	114	TYC		HIP
CCDM		RAdeg	278.14941250	DEdeg	-16.93803306	EpRA 1990	1.79
EpDE 1990	1.81	E RAdeg	71.0	E DEdeg	87.8	Posflg
Corr	0.0

18326-1657 C

Coord arcsec 2000	183235.96-165637.3		Mag	12		PmRA	1.00		PmDE	2.0
Calc delta mag	1.59		Calc coord	yes