18218-2327 DON 895

18^h 21^m 45.39^s -23° 26' 33.1" P.A. 141.00 sep 2.2 mag 10.20,13.20 Sp A2III

Coord 2000	18218-2327	Discov num	DON 895	Comp		Coord arcsec 2000	18 21 45.39 -23 26 33.1
Date first	1932	Date last	2015	Obs	5
Pa first	145	Pa last	141.1	P.A. Now (θ)	141.1°
Sep first	1.9	Sep last	2.236	Sep. Now (ρ)	2.236"
Mag pri	10.20	Mag sec	13.20	delta mag (ΔM)	3	Spectral class	A2III (white)
Pri motion ra	+000	Sec motion ra
Pri motion dec	-009	Sec motion dec
Notes	S (Parallax indidates non-physical)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Sagittarius		SAO	186702		Tycho2	6844-03247-1		Gaia DR2	4089594230687394560
HD	168629

WDS 18218-2327 DON 895 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18218-2327	DON 895		1949	4	141	1.9	10.20	13.20	A2III		182145.39-232633.1
18218-2327	DON 895		2015	5	141	2.2	10.20	13.20	A2III	S	182145.39-232633.1

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WDS 18218-2327 DON 895 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18218-2327 DON 895 : MEASURES

No records found.

WDS 18218-2327 : VIRTUAL EYEPIECE

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WDS 18218-2327 : ALADIN DSS IMAGE @ 18^h 21^m 45.39^s -23° 26' 33.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18218-2327 DON 895 : 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		18218-2327	DON 895		141	2.2
Show		18227-2328	BRT3067		29	3.3	13
Show		18218-2309	ARA2228		195	14.0	18
Show		18220-2344	ARA2229		246	13.5	19
Show		18229-2352	ARA2230		346	18.4	30
Show		18216-2358	ARA2318		122	8.5	33
Show		18208-2257	ARA1872		77	6.9	33
Show		18216-2359	B 388		199	1.6	33
Show		18223-2248	ARA1876		84	10.8	39
Show		18231-2252	ARA1881		134	13.3	40
Show		18189-2330	ARA2226		124	12.2	40
Show		18235-2252	ARA1883		216	6.5	43
Show		18210-2408	RST4007		121	0.2	43
Show		18189-2304	B 2443		59	8.3	46
Show		18233-2245	BRT1533		65	1.9	47
Show		18185-2309	TDT 787		241	0.6	48
Show		18236-2245	ARA1884		338	13.8	49
Show		18241-2248	ARA1886	AB	64	15.2	50
Show		18241-2248	ARA1886	AC	152	7.9	50
Show		18196-2247	ARA1870		254	6.5	51
Show		18181-2318	BRT1526		354	4.4	51
Show		18197-2244	BRT1528		321	4.2	52
Show		18228-2235	ARA1880		244	10.3	54
Show		18220-2233	J 2208		170	6.4	54
Show		18200-2417	RST3176		73	0.6	56
Show		18175-2331	ARA2224		316	11.8	60
Show		18175-2354	RST3169		224	0.5	65
Show		18213-2433	RST4008		194	0.5	68
Show		18199-2222	DON 891		78	4.8	70
Show		18209-2216	ARA1873		97	14.1	71
Show		18168-2259	OCC 289		-1	0.0	74
Show		18182-2231	ARA1869		160	6.4	74
Show		18226-2213	BRT1532		245	5.8	74
Show		18166-2354	ARA2223		7	11.0	77
Show		18237-2209	BRT1534		117	4.7	83
Show		18163-2253	BRT1522		95	6.0	83
Show		18253-2434	RST4010		116	0.7	83
Show		18217-2203	ARA1874		288	9.6	84
Show		18167-2240	BRT1524		239	4.1	86
Show		18224-2202	ARA1877		255	9.0	86
Show		18178-2220	ARA1868		112	9.9	86
Show		18224-2201	ARA1878		264	12.4	86
Show		18280-2328	LEO 18		295	2.8	87
Show		18155-2344	ARA2222		314	13.2	88
Show		18258-2220	ARA1887		187	6.0	88
Show		18281-2349	ARA2231		250	12.0	90
Show		18153-2336	ARA2221		324	9.0	91
Show		18281-2300	OCC 45		-1	0.1	92
Show		18274-2420	KPP 412		199	4.8	95
Show		18149-2300	ARA2220		17	11.0	98
Show		18146-2344	ARA2219		303	4.8	100

WDS 18218-2327 : COMPONENTS

	A
B	pa=143.5° sep=2.17"

18218-2327 A

Componente originario normalizzato	AB	Coord arcsec 2000	182145.39-232633.1	Mag	10.2	Spectral class	A2III (white)
PmRA	0.00	PmDE	-9.0	SAO	186702	Tycho2	6844-03247-1
HD	168629	DM	CD-2314276

Tycho2

Tycho2	6844-03247-1	Pflag		RAmdeg	275.43915099	DEmdeg	-23.44254286
PmRA	-5.1	PmDE	-7.2	E RAmdeg	27	E DEmdeg	35
E pmRA	2.3	E pmDE	2.2	EpRAm	1989.83	EpDEm	1988.14
Num	4	Q RAmdeg	1.7	Q DEmdeg	1.0	Q pmRA	1.8
Q pmDE	1.0	BTmag	10.561	E BTmag	0.047	VTmag	10.198
E VTmag	0.050	Prox	470	TYC	T	HIP
CCDM		RAdeg	275.43916389	DEdeg	-23.44252694	EpRA 1990	1.79
EpDE 1990	1.85	E RAdeg	27.4	E DEdeg	36.4	Posflg
Corr	-0.2

SAO

SAO	186702	DelFlag		RA1950		PmRA1950	0.0026
DE1950		PmDE1950	-0.007	Vmag	9.4	SpType	A0
Double code		Source	25	CatNum	12709	DM	CD-2314276
DMcomp		BDsup		HD	168629	M HD	0
GC		RA1950rad	4.79404084	DE1950rad	-0.4095768	PmRA2000	0.0026
PmDE2000	-0.006

CCDM

Ccdm	18218-2327	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.42	DDEs	26.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp	A0	PmNote	*
PmRA	36	PmDE	-7	Dm number	-2314276	Cat1	CD
Name2	186702	Cat2	SAO	HD	168629	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18157S2329A
HIC

18218-2327 B

Componente originario normalizzato	AB		Coord arcsec 2000	182145.48-232634.8		Mag	13.2		Calc delta mag	3
Calc coord	yes

CCDM

Ccdm	18218-2327	RComp		Comp	B	Note1
Note2		Discov num	DON 895	DRAs		DDEs
R dRAs		Year	1932	Theta	141	Rho	1.9
Obs	4	Vmag	13.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18157S2329B
HIC