18212-1800 DON 894 (HD 168586)

18^h 21^m 14.77^s -18° 00' 23.2" P.A. 342.00 sep 1.2 mag 10.78,10.81 Sp A5/7II

Coord 2000	18212-1800	Discov num	DON 894	Comp		Coord arcsec 2000	18 21 14.77 -18 00 23.2
Date first	1932	Date last	1991	Obs	4
Pa first	343	Pa last	342	P.A. Now (θ)	342°
Sep first	0.9	Sep last	1.199	Sep. Now (ρ)	1.199"
Mag pri	10.78	Mag sec	10.81	delta mag (ΔM)	0.03	Spectral class	A5/7II (white)
Pri motion ra	-004	Sec motion ra	-004
Pri motion dec	-002	Sec motion dec	-002
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 168586		Constellation	Sagittarius		Tycho2	6269-02318-2		Gaia DR2	4096374059876669056
HD	168586

WDS 18212-1800 DON 894 (HD 168586) : 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
18212-1800	DON 894		1991	4	342	1.2	10.78	10.81	A5/7II		182114.77-180023.2

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

WDS 18212-1800 DON 894 (HD 168586) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18212-1800 DON 894 (HD 168586) : MEASURES

No records found.

WDS 18212-1800 (HD 168586) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18212-1800 (HD 168586) : ALADIN DSS IMAGE @ 18^h 21^m 14.77^s -18° 00' 23.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18212-1800 DON 894 (HD 168586) : 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		18212-1800	DON 894		342	1.2
Show		18210-1805	DON 893		220	2.8	5
Show		18206-1811	SKF 100		140	3.8	14
Show		18198-1809	RST3175		127	0.6	24
Show		18229-1818	J 1629		82	8.6	24
Show		18195-1754	ARA 277		117	15.1	26
Show		18192-1757	ARA 276		40	12.6	29
Show		18188-1804	OL 104		213	3.6	30
Show		18227-1740	ARA 279		339	10.9	30
Show		18193-1817	BRT1527		359	5.0	33
Show		18232-1823	TOB 288		184	12.6	36
Show		18197-1730	TDT 796		93	0.4	38
Show		18191-1828	ARA 474		222	12.6	41
Show		18229-1726	J 2209		342	7.4	42
Show		18228-1727	J 2210		286	8.0	42
Show		18181-1810	NSN 136		76	32.9	46
Show		18210-1714	J 1627		239	4.9	47
Show		18228-1843	CHR 235		182	0.1	49
Show		18190-1724	TVB 301		184	7.2	49
Show		18179-1750	TDT 781	Aa,Ab	130	0.4	49
Show		18179-1750	ARA 275	AB	349	10.4	49
Show		18183-1733	J 2206		83	2.3	51
Show		18241-1735	J 2128		35	3.4	51
Show		18187-1837	BU 300	CD	329	6.3	52
Show		18214-1852	EVS 35	AB	204	10.6	52
Show		18214-1852	KRV 48	AC	157	71.4	52
Show		18214-1852	KRV 48	AD	98	95.0	52
Show		18187-1837	BU 639	AB	136	0.5	52
Show		18187-1837	SHJ 264	AB,C	50	17.2	52
Show		18187-1837	FOX 225	AB,E	328	145.6	52
Show		18241-1734	J 2127		48	5.0	53
Show		18236-1720	KPP2762		239	3.2	53
Show		18177-1820	ARA 472		183	14.8	55
Show		18205-1706	TDT 806		101	0.5	56
Show		18202-1707	TDT 803		195	0.7	56
Show		18180-1834	ARA 473		334	14.2	57
Show		18223-1856	J 1740	AB	148	5.4	58
Show		18223-1856	J 1740	AC	178	8.7	58
Show		18174-1819	ARA 471		54	11.8	59
Show		18236-1849	ARA 477		352	13.9	60
Show		18199-1704	SMY9003		134	24.8	60
Show		18175-1828	OCC 12	Aa,Ab	-1	0.1	61
Show		18175-1828	RST3170	AB	169	8.6	61
Show		18180-1842	HWE 42		189	21.5	65
Show		18171-1826	ARA 469		355	6.5	65
Show		18167-1755	ARA 274		147	10.8	66
Show		18231-1701	HU 237		28	0.5	66
Show		18179-1848	BU 299	BR	133	10.2	68
Show		18179-1848	BU 299	TS	304	7.5	68
Show		18166-1812	ARA 467		81	13.6	68
Show		18179-1848	BU 299	VW	317	6.8	68

WDS 18212-1800 : COMPONENTS

	A
B	pa=342.8° sep=1.19"

18212-1800 A

Componente originario normalizzato	AB	Name	HD 168586	Coord arcsec 2000	182114.77-180023.2	Mag	10.78
Spectral class	A5/7II (white)	PmRA	-4.00	PmDE	-2.0	Tycho2	6269-02318-2
HD	168586	DM	BD-18 4924

Tycho2

Tycho2	6269-02318-2	Pflag	P	RAmdeg	275.31155207	DEmdeg	-18.00643703
PmRA	-4.0	PmDE	-1.5	E RAmdeg	47	E DEmdeg	60
E pmRA	2.6	E pmDE	2.7	EpRAm	1987.49	EpDEm	1984.86
Num	4	Q RAmdeg	2.2	Q DEmdeg	1.4	Q pmRA	2.2
Q pmDE	1.4	BTmag	11.453	E BTmag	0.101	VTmag	10.779
E VTmag	0.092	Prox	12	TYC		HIP
CCDM		RAdeg	275.31162944	DEdeg	-18.00663222	EpRA 1990	1.84
EpDE 1990	1.80	E RAdeg	54.5	E DEdeg	71.6	Posflg	D
Corr	-0.1

18212-1800 B

Componente originario normalizzato	AB		Coord arcsec 2000	182114.75-180022.1		Mag	10.81		PmRA	-4.00
PmDE	-2.0		Tycho2	6269-02318-1		Calc delta mag	0.03		Calc coord	yes

Tycho2

Tycho2	6269-02318-1	Pflag	P	RAmdeg	275.31155207	DEmdeg	-18.00643703
PmRA	-4.0	PmDE	-1.5	E RAmdeg	47	E DEmdeg	60
E pmRA	2.6	E pmDE	2.7	EpRAm	1987.49	EpDEm	1984.86
Num	4	Q RAmdeg	2.2	Q DEmdeg	1.4	Q pmRA	2.2
Q pmDE	1.4	BTmag	11.128	E BTmag	0.077	VTmag	10.814
E VTmag	0.093	Prox	12	TYC	T	HIP
CCDM		RAdeg	275.31152111	DEdeg	-18.00631556	EpRA 1990	1.85
EpDE 1990	1.80	E RAdeg	47.8	E DEdeg	62.6	Posflg	D
Corr	-0.1