18381-2156 ARA 1895

18^h 38^m 04.16^s -21° 55' 34.2" P.A. 26.00 sep 16.0 mag 12.90,13.00

Coord 2000	18381-2156	Discov num	ARA1895	Comp		Coord arcsec 2000	18 38 04.16 -21 55 34.2
Date first	1922	Date last	2015	Obs	9
Pa first	27	Pa last	26.1	P.A. Now (θ)	26.1°
Sep first	16.9	Sep last	16.032	Sep. Now (ρ)	16.032"
Mag pri	12.90	Mag sec	13.00	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-004	Sec motion ra	+005
Pri motion dec	-003	Sec motion dec	+002
Notes	U (Proper motion indicates non-physical)

rPM=1.912

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

4079479440914471424

WDS 18381-2156 ARA 1895 : 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
18381-2156	ARA1895		1928	3	25	14.5	12.90	13.00			183804.16-215534.2
18381-2156	ARA1895		1998	4	26	16.1	12.90	13.00			183804.16-215534.2
18381-2156	ARA1895		1999	5	26	16.1	12.90	13.00			183804.16-215534.2
18381-2156	ARA1895		2010	7	27	15.2	12.90	13.00			183804.16-215534.2
18381-2156	ARA1895		2015	7	26	16.0	12.90	13.00		U	183804.16-215534.2

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WDS 18381-2156 ARA 1895 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18381-2156 ARA 1895 : MEASURES

No records found.

WDS 18381-2156 : VIRTUAL EYEPIECE

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WDS 18381-2156 : ALADIN DSS IMAGE @ 18^h 38^m 04.16^s -21° 55' 34.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18381-2156 ARA 1895 : 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		18381-2156	ARA1895		26	16.0
Show		18386-2149	J 1633	BC	149	7.5	10
Show		18386-2149	J 1633	AB	143	36.8	10
Show		18375-2130	ARA1548		336	14.8	28
Show		18361-2154	ARA1546		173	10.4	28
Show		18360-2146	ARA1545		203	12.9	31
Show		18379-2124	OCC 33		-1	0.1	32
Show		18365-2128	ARA1547		230	11.0	35
Show		18353-2205	WNO 22		269	11.4	40
Show		18407-2139	RST5122		189	2.1	41
Show		18387-2114	ARA1551		137	6.1	44
Show		18352-2140	HU 246		68	2.6	44
Show		18385-2110	B 1888		302	4.8	46
Show		18377-2243	ARA1894		270	7.3	49
Show		18377-2244	ARA1893		137	12.5	49
Show		18354-2118	ARA1544		180	6.1	53
Show		18378-2103	ARA1549		188	14.1	53
Show		18389-2103	WSI 90	AB	138	0.0	54
Show		18389-2103	TNN 11	AC	340	5.0	54
Show		18389-2103	TNN 11	AD	30	6.4	54
Show		18406-2115	ARA1552		287	12.6	55
Show		18395-2101	RST5121	AB	21	4.2	58
Show		18395-2101	HJ 2833	AC	314	21.8	58
Show		18397-2249	SHN 231		-1	0.1	58
Show		18411-2236	ARA1896		327	12.3	60
Show		18390-2259	ARA2241		114	7.3	65
Show		18337-2132	ARA1542		114	11.6	66
Show		18398-2052	OCC1078		-1	0.7	69
Show		18416-2108	KPP 422		299	4.7	69
Show		18338-2119	ARA1543		253	8.5	71
Show		18349-2256	ARA2236		38	7.3	76
Show		18372-2039	DON 914		174	0.4	79
Show		18433-2225	I 1381		37	1.3	79
Show		18393-2038	ARA1156		16	15.8	80
Show		18324-2138	ARA1541		349	7.1	81
Show		18405-2040	OCC1079		-1	0.0	83
Show		18439-2130	KPP4118		341	3.9	86
Show		18335-2256	BRT1540		313	5.1	88
Show		18406-2034	OCC1080		-1	0.0	89
Show		18317-2211	ARA1890		289	11.5	90
Show		18437-2240	DON 919	AB	80	3.4	91
Show		18437-2240	DON 919	AC	306	14.9	91
Show		18421-2307	SHN 38		33	0.2	92
Show		18401-2322	SHN 232		-1	0.1	92
Show		18337-2048	ARA1154		288	7.2	92
Show		18391-2025	ARA1155		238	11.6	92
Show		18440-2237	RST5453		211	0.1	93
Show		18315-2138	ARA1540		10	14.8	94
Show		18431-2051	ARA1159		84	11.7	96
Show		18386-2020	DON 917		51	1.1	96
Show		18314-2124	ARA1539		4	5.0	98

WDS 18381-2156 : COMPONENTS

	A
B	pa=24.4° sep=15.81"

18381-2156 A

Componente originario normalizzato	AB		Coord arcsec 2000	183804.16-215534.2		Mag	12.9		PmRA	-4.00
PmDE	-3.0

18381-2156 B

Componente originario normalizzato	AB		Coord arcsec 2000	183804.63-215519.8		Mag	13		PmRA	5.00
PmDE	2.0		Calc delta mag	0.1		Calc coord	yes