18391-2025 ARA 1155

18^h 39^m 05.98^s -20° 24' 48.7" P.A. 238.00 sep 11.6 mag 18.40,17.30

Coord 2000	18391-2025	Discov num	ARA1155	Comp		Coord arcsec 2000	18 39 05.98 -20 24 48.7
Date first	1922	Date last	2015	Obs	6
Pa first	237	Pa last	238.4	P.A. Now (θ)	238.4°
Sep first	9.7	Sep last	11.644	Sep. Now (ρ)	11.644"
Mag pri	18.40	Mag sec	17.30	delta mag (ΔM)	1.1	Spectral class
Pri motion ra	+006	Sec motion ra	-019
Pri motion dec	-013	Sec motion dec	-026
Notes	B (Blue magnitudes)

rPM=0.875

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

4092103934641579520

WDS 18391-2025 ARA 1155 : 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
18391-2025	ARA1155		1998	2	239	11.6	13.90	13.90		D	183905.98-202448.7
18391-2025	ARA1155		2015	4	238	11.6	18.40	17.30		B	183905.98-202448.7

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

WDS 18391-2025 ARA 1155 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18391-2025 ARA 1155 : MEASURES

No records found.

WDS 18391-2025 : VIRTUAL EYEPIECE

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WDS 18391-2025 : ALADIN DSS IMAGE @ 18^h 39^m 05.98^s -20° 24' 48.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18391-2025 ARA 1155 : 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		18391-2025	ARA1155		238	11.6
Show		18386-2020	DON 917		51	1.1	9
Show		18393-2038	ARA1156		16	15.8	14
Show		18406-2034	OCC1080		-1	0.0	23
Show		18406-2016	ARA1157		356	9.5	24
Show		18405-2040	OCC1079		-1	0.0	25
Show		18398-2052	OCC1078		-1	0.7	30
Show		18372-2039	DON 914		174	0.4	31
Show		18367-2019	HO 567		165	1.3	35
Show		18407-1957	ARA1158		68	6.6	37
Show		18395-2101	RST5121	AB	21	4.2	37
Show		18395-2101	HJ 2833	AC	314	21.8	37
Show		18389-2103	WSI 90	AB	138	0.0	39
Show		18389-2103	TNN 11	AC	340	5.0	39
Show		18389-2103	TNN 11	AD	30	6.4	39
Show		18378-2103	ARA1549		188	14.1	43
Show		18385-2110	B 1888		302	4.8	47
Show		18387-2114	ARA1551		137	6.1	49
Show		18362-1950	ARA 756		325	9.5	54
Show		18406-2115	ARA1552		287	12.6	54
Show		18416-2108	KPP 422		299	4.7	56
Show		18388-1928	BRT1541		34	4.2	58
Show		18379-2124	OCC 33		-1	0.1	62
Show		18431-2051	ARA1159		84	11.7	62
Show		18425-1943	ARA 761		242	6.9	63
Show		18412-1928	OCC9183		-1	0.2	65
Show		18436-2013	DON 920		336	1.4	66
Show		18375-2130	ARA1548		336	14.8	69
Show		18374-1917	ARA 758		270	9.1	72
Show		18365-2128	ARA1547		230	11.0	74
Show		18354-2118	ARA1544		180	6.1	75
Show		18439-1954	STN 44		316	1.6	76
Show		18441-1954	ARA1160		184	8.4	77
Show		18336-2030	DON 911		348	2.1	78
Show		18371-1913	SEE 355		241	11.1	78
Show		18407-2139	RST5122		189	2.1	79
Show		18337-2048	ARA1154		288	7.2	80
Show		18349-1925	ARA 755		77	13.1	84
Show		18418-1909	J 2221	AB	254	7.5	85
Show		18418-1909	J 2221	AC	346	17.9	85
Show		18386-2149	J 1633	AB	143	36.8	85
Show		18333-2003	ARA1153		295	12.5	85
Show		18386-2149	J 1633	BC	149	7.5	86
Show		18429-1917	OCC9184		-1	0.1	87
Show		18393-1859	ARA 760		60	5.6	87
Show		18453-2039	EVS 37	AB	128	3.1	89
Show		18453-2039	EVS 37	AC	67	10.8	89
Show		18453-2039	EVS 37	AD	156	10.6	89
Show		18453-2039	EVS 37	AE	271	11.5	89
Show		18453-2039	EVS 37	AF	330	18.2	89
Show		18453-2039	GAA 14	Aa,Ab	349	0.0	89

WDS 18391-2025 : COMPONENTS

	A
B	pa=236.7° sep=11.12"

18391-2025 A

Componente originario normalizzato	AB		Coord arcsec 2000	183905.98-202448.7		Mag	18.4		PmRA	6.00
PmDE	-13.0

18391-2025 B

Componente originario normalizzato	AB		Coord arcsec 2000	183905.32-202454.8		Mag	17.3		PmRA	-19.00
PmDE	-26.0		Calc delta mag	1.1		Calc coord	yes