18518-2141 DON 929

18^h 51^m 45.27^s -21° 40' 39.3" P.A. 329.00 sep 3.9 mag 11.74,12.70

Coord 2000	18518-2141	Discov num	DON 929	Comp		Coord arcsec 2000	18 51 45.27 -21 40 39.3
Date first	1921	Date last	2015	Obs	6
Pa first	336	Pa last	328.5	P.A. Now (θ)	328.5°
Sep first	4.5	Sep last	3.863	Sep. Now (ρ)	3.863"
Mag pri	11.74	Mag sec	12.70	delta mag (ΔM)	0.96	Spectral class
Pri motion ra	+029	Sec motion ra	-039
Pri motion dec	-029	Sec motion dec	+068
Notes	N (See Notes)

rPM=1.511

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6293-00813-1

Gaia DR2

4079007406829742336

WDS 18518-2141 DON 929 : NOTES

discov_num	notes	refcode
DON 929	CPD-21@7088.

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
18518-2141	DON 929		1998	4	329	4.1	11.74	12.70		N D	185145.27-214039.3
18518-2141	DON 929		1999	5	330	4.0	11.74	12.70		N D	185145.27-214039.3
18518-2141	DON 929		2015	6	329	3.9	11.74	12.70		N	185145.27-214039.3

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

WDS 18518-2141 DON 929 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18518-2141 DON 929 : MEASURES

No records found.

WDS 18518-2141 : VIRTUAL EYEPIECE

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WDS 18518-2141 : ALADIN DSS IMAGE @ 18^h 51^m 45.27^s -21° 40' 39.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18518-2141 DON 929 : 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		18518-2141	DON 929		329	3.9
Show		18515-2143	DON 928		277	4.9	5
Show		18513-2201	HJ 5070		51	9.7	22
Show		18510-2208	KPP 427		235	3.7	29
Show		18508-2210	BU 1300		254	18.0	32
Show		18508-2111	SHN 235		-1	0.2	32
Show		18524-2225	DON 930		272	0.7	45
Show		18503-2100	ARA1554		188	9.7	46
Show		18549-2157	RSS 495	AB	67	21.4	47
Show		18484-2205	ARA1899		261	10.9	52
Show		18516-2235	SHN 236		-1	0.0	54
Show		18509-2235	DON 927	AB	68	3.3	56
Show		18509-2235	DON 927	AC	8	9.1	56
Show		18536-2235	ARA1902		324	11.2	61
Show		18487-2230	ARA1900		103	12.0	66
Show		18474-2108	B 1889		218	0.8	70
Show	Ainalrami	18542-2245	BU 1033	AB	99	2.5	73
Show	Ainalrami	18542-2245	HJ 5072	AC	58	28.0	73
Show		18535-2030	DON 933		237	0.3	76
Show		18555-2239	ARA1903		235	8.2	80
Show		18542-2254	TDT1120		27	0.4	82
Show		18556-2241	ARA1904		81	12.4	82
Show		18483-2033	DON 924		53	1.2	83
Show		18510-2018	PLT 3	AB	101	93.6	84
Show		18510-2018	EVS 38	AC	158	3.3	84
Show		18541-2259	ALD 71		158	2.1	86
Show		18497-2019	SEE 362			13.8	87
Show		18463-2224	SEE 360		217	14.7	87
Show		18580-2145	B 2870		263	6.0	87
Show		18527-2014	OCC1017		-1	0.1	88
Show		18548-2024	J 1753	AB	277	8.2	89
Show		18548-2024	J 1753	AC	56	11.3	89
Show		18472-2246	DON 923		348	0.6	91
Show		18462-2046	I 1030		161	5.9	95
Show		18452-2117	ARA1553		273	10.1	96
Show		18588-2139	ARA1558		137	6.3	98
Show		18562-2258	ARA2247		314	14.9	100
Show		18546-2010	ARA1163		231	15.2	101
Show		18510-1958	ARA1162	AB	290	10.3	103
Show		18510-1958	FYM 269	AC	179	7.0	103
Show		18510-1958	FYM 269	AD	342	16.7	103
Show		18590-2115	KPP4133		24	1.8	106
Show		18593-2155	TDT1169		216	1.7	107
Show		18592-2114	HDS2693	Aa,Ab	160	0.3	108
Show		18592-2114	RST5127	AB	189	3.2	108
Show		18439-2130	KPP4118		341	3.9	110
Show		18453-2039	EVS 37	AB	128	3.1	110
Show		18453-2039	EVS 37	AC	67	10.8	110
Show		18453-2039	EVS 37	AD	156	10.6	110
Show		18453-2039	EVS 37	AE	271	11.5	110
Show		18453-2039	EVS 37	AF	330	18.2	110

WDS 18518-2141 : COMPONENTS

	A
B	pa=330.3° sep=3.79"

18518-2141 A

Componente originario normalizzato	AB		Coord arcsec 2000	185145.27-214039.3		Mag	11.74		PmRA	29.00
PmDE	-29.0		Tycho2	6293-00813-1

Tycho2

Tycho2	6293-00813-1	Pflag		RAmdeg	282.93861726	DEmdeg	-21.67760454
PmRA	2.9	PmDE	-0.6	E RAmdeg	88	E DEmdeg	107
E pmRA	3.4	E pmDE	3.7	EpRAm	1980.28	EpDEm	1976.08
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.3
Q pmDE	0.5	BTmag	11.855	E BTmag	0.126	VTmag	11.744
E VTmag	0.211	Prox	471	TYC		HIP
CCDM		RAdeg	282.93861000	DEdeg	-21.67760306	EpRA 1990	1.77
EpDE 1990	1.82	E RAdeg	95.7	E DEdeg	122.3	Posflg
Corr	0.2

CCDM

Ccdm	18518-2141	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.81	DDEs	22.1
R dRAs	41	Year		Theta		Rho
Obs	2	Vmag	10.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2	-21 7088	Cat2	CPD	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18458S2148A
HIC

18518-2141 B

Componente originario normalizzato	AB		Coord arcsec 2000	185145.14-214036.0		Mag	12.7		PmRA	-39.00
PmDE	68.0		Calc delta mag	0.96		Calc coord	yes

CCDM

Ccdm	18518-2141	RComp		Comp	B	Note1
Note2		Discov num	DON 929	DRAs	-2.91	DDEs	25.8
R dRAs	41	Year	1922	Theta	333	Rho	4.4
Obs	2	Vmag	11.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18458S2148B
HIC