18505-1818 TDT 1081

18^h 50^m 32.52^s -18° 18' 25.5" P.A. 75.00 sep 0.5 mag 10.72,10.96

Coord 2000	18505-1818	Discov num	TDT1081	Comp		Coord arcsec 2000	18 50 32.52 -18 18 25.5
Date first	1991	Date last	1991	Obs	1
Pa first	75	Pa last	74.6	P.A. Now (θ)	74.6°
Sep first	0.5	Sep last	0.53	Sep. Now (ρ)	0.53"
Mag pri	10.72	Mag sec	10.96	delta mag (ΔM)	0.24	Spectral class
Pri motion ra	+012	Sec motion ra	+012
Pri motion dec	+000	Sec motion dec	+000
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6285-01608-1

Gaia DR2

4086451998242398592

WDS 18505-1818 TDT 1081 : 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
18505-1818	TDT1081		1991	1	75	0.5	10.72	10.96			185032.52-181825.5

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WDS 18505-1818 TDT 1081 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18505-1818 TDT 1081 : MEASURES

No records found.

WDS 18505-1818 : VIRTUAL EYEPIECE

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WDS 18505-1818 : ALADIN DSS IMAGE @ 18^h 50^m 32.52^s -18° 18' 25.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18505-1818 TDT 1081 : 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		18505-1818	TDT1081		75	0.5
Show		18506-1813	RST3200			0.7	6
Show		18503-1812	TDT1080		134	0.9	8
Show		18500-1826	J 1658		59	8.4	11
Show		18498-1836	TDT1075		97	0.5	22
Show		18488-1836	KUI 88		153	0.5	31
Show		18488-1838	RSS 491		334	10.8	32
Show		18510-1747	HJ 2842		338	29.9	32
Show		18494-1750	HJ 2840		173	15.2	33
Show		18480-1817	WSI 36		262	15.8	36
Show		18482-1820	J 1636		78	7.1	37
Show		18480-1814	RST3198		154	0.4	37
Show		18496-1854	OCC 454		-1	0.1	39
Show		18494-1740	TDT1072		310	0.7	42
Show		18531-1838	HO 569	AB	38	15.6	42
Show		18531-1838	OCC9186	Aa,Ab	-1	-1.0	42
Show		18496-1909	OCC 455	AB	-1	0.2	52
Show		18526-1909	ARA 764		221	10.8	59
Show		18516-1719	HU 255		166	1.4	62
Show		18528-1725	HU 257		341	2.1	62
Show		18470-1912	HJ 2837		89	11.2	74
Show		18500-1933	KPP4124		15	1.5	76
Show		18549-1733	RST3205	AB	300	0.5	77
Show		18549-1733	HJ 2843	AB,C	339	22.0	77
Show		18553-1738	HJ 2844		105	23.7	80
Show		18487-1702	J 2235	BC	5	6.6	80
Show		18487-1702	J 2235	AB	203	90.0	81
Show		18483-1935	B 2461		197	6.7	84
Show		18498-1655	TDT4316		333	45.1	84
Show		18562-1843	OCC 964		-1	0.0	85
Show		18496-1654	HWE 44	AB	298	2.0	86
Show		18496-1654	HWE 44	AC	308	36.4	86
Show		18496-1654	KNP 3	AD	200	22.2	86
Show		18479-1936	J 1657		28	3.6	86
Show		18528-1658	J 2238		182	4.8	86
Show		18559-1735	HJ 2845		6	3.9	88
Show		18509-1646	HLD 148		30	5.0	91
Show		18536-1941	RST3203		330	0.6	94
Show		18465-1940	BRT1543		258	3.3	99
Show		18480-1647	HJ 2838		335	33.4	99
Show		18510-1958	ARA1162	AB	290	10.3	101
Show		18510-1958	FYM 269	AC	179	7.0	101
Show		18510-1958	FYM 269	AD	342	16.7	101
Show		18442-1733	HLD 146		194	2.2	101
Show		18547-1946	OL 80		141	3.5	106
Show		18575-1903	HDS2687		346	1.9	109
Show		18429-1829	ARA 488		167	20.8	111
Show		18477-1633	RST4020		26	3.5	114
Show		18435-1725	RST3194		87	4.0	114
Show		18557-1646	J 1661		98	4.5	117
Show		18529-1625	RST4021		118	0.2	119

WDS 18505-1818 : COMPONENTS

	A
B	pa=73.8° sep=0.51"

18505-1818 A

Componente originario normalizzato	AB		Coord arcsec 2000	185032.52-181825.5		Mag	10.72		PmRA	12.00
PmDE	0.0		Tycho2	6285-01608-1

Tycho2

Tycho2	6285-01608-1	Pflag		RAmdeg	282.63558215	DEmdeg	-18.30707173
PmRA	12.0	PmDE	-0.1	E RAmdeg	27	E DEmdeg	28
E pmRA	2.4	E pmDE	2.1	EpRAm	1989.62	EpDEm	1982.57
Num	4	Q RAmdeg	1.2	Q DEmdeg	0.4	Q pmRA	1.2
Q pmDE	0.3	BTmag	10.802	E BTmag	0.050	VTmag	10.307
E VTmag	0.046	Prox	999	TYC	T	HIP
CCDM		RAdeg	282.63555194	DEdeg	-18.30707278	EpRA 1990	1.86
EpDE 1990	1.81	E RAdeg	27.6	E DEdeg	35.5	Posflg
Corr	0.0

18505-1818 B

Componente originario normalizzato	AB		Coord arcsec 2000	185032.55-181825.4		Mag	10.96		PmRA	12.00
PmDE	0.0		Calc delta mag	0.24		Calc coord	yes