18105-1745 J 2197 AB (HD 166261)

18^h 10^m 31.98^s -17° 45' 27.3" P.A. 109.00 sep 72.6 mag 8.04,11.39 Sp B9V

Coord 2000	18105-1745	Discov num	J 2197	Comp	AB	Coord arcsec 2000	18 10 31.98 -17 45 27.3
Date first	1916	Date last	2015	Obs	6
Pa first	107	Pa last	109	P.A. Now (θ)	109°
Sep first	78.8	Sep last	72.595	Sep. Now (ρ)	72.595"
Mag pri	8.04	Mag sec	11.39	delta mag (ΔM)	3.35	Spectral class	B9V (blue-white)
Pri motion ra	+005	Sec motion ra	-022
Pri motion dec	-004	Sec motion dec	-008
Notes

rPM=1.166

This double is not physical.

18105-1745 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 166261	161136	18 10 32 -17 45 27	J 2197 AB	2015	6	109	72.6	8.04	11.39	3.35		<===
Show			18 10 37 -17 45 51	J 2197 BC	2015	8	82	6.2	11.39	11.40	0.01

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 166261		Constellation	Sagittarius		SAO	161136		Tycho2	6268-01322-1
Gaia DR2	4095909447467957376		HD	166261

WDS 18105-1745 J 2197 AB (HD 166261) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
J__1908	Ma -	Jonckheere, R.	1908BuAsI..25..458J
J__1908		Bull. Astronomique 25, 458, 1908
J__1909a	Ma -	Jonckheere, R.	...................
J__1909a		Journal Astronomique 1, no. 1, 1, 1909
J__1909b	Ma -	Jonckheere, R.	...................
J__1909b		Journal Astronomique 1, no. 2, 1909
J__1909c	Ma -	Jonckheere, R.	...................
J__1909c		Journal Astronomique 1, no. 3, 1909
J__1910a	Ma j	Jonckheere, R.	...................
J__1910a		Journal Astronomique 1, no. 4, 25, 1910
J__1910b	Ma -	Jonckheere, R.	...................
J__1910b		Journal Astronomique 1, no. 5, 1910
J__1910c	Ma j	Jonckheere, R.	...................
J__1910c		Journal Astronomique 1, no. 7, 1910
J__1910d	Ma -	Jonckheere, R.	...................
J__1910d		Journal Astronomique 1, no. 7, 1910
J__1910e	Ma j	Jonckheere, R.	...................
J__1910e		Journal Astronomique 1, no. 7, 1910
J__1910f	Ma j	Jonckheere, R.	...................
J__1910f		Journal Astronomique 1, no. 10, 77, 1910
J__1910g	Ma -	Jonckheere, R.	...................
J__1910g		Journal Astronomique 1, no. 11, 81, 1910
J__1910h	Ma j	Jonckheere, R.	...................
J__1910h		Journal Astronomique 1, no. 12, 89, 1910
J__1910i	Ma j	Jonckheere, R.	...................
J__1910i		Journal Astronomique 1, no. 13, 98, 1910
J__1911a	Ma -	Jonckheere, R.	...................
J__1911a		Journal Astronomique 1, no. 15, 114, 1911
J__1911b	Ma j	Jonckheere, R.	...................
J__1911b		Journal Astronomique 1, no. 16, 121, 1911
J__1911c	Ma j	Jonckheere, R.	1911MNRAS..71..750J
J__1911c		MNRAS 71, 750, 1911
J__1911d	Ma -	Jonckheere, R.	1911MNRAS..72...45J
J__1911d		MNRAS 72, 45, 1911
J__1911e	Ma -	Jonckheere, R.	1911MNRAS..72..156J
J__1911e		MNRAS 72, 156, 1911
J__1911f	Ma j	Jonckheere, R.	1911MNRAS..72..162J
J__1911f		MNRAS 72, 162, 1911
J__1912a	Ma j	Jonckheere, R.	1912MNRAS..72..188J
J__1912a		MNRAS 72, 188, 1912
J__1912b	Ma j	Jonckheere, R.	...................
J__1912b		Journal Astronomique 1, no. 17, 129, 1912
J__1912c	Ma -	Jonckheere, R.	...................
J__1912c		Journal Astronomique 1, no. 19, 134, 1912
J__1912d	Ma j	Jonckheere, R.	...................
J__1912d		Journal Astronomique 1, no. 21, 145, 1912
J__1912e	Ma -	Jonckheere, R.	...................
J__1912e		Journal Astronomique 1, no. 22, 148, 1912
J__1912f	Ma j	Jonckheere, R.	...................
J__1912f		Journal Astronomique 1, no. 23, 150, 1912
J__1912g	Ma j	Jonckheere, R.	...................
J__1912g		Journal Astronomique 2, no. 25, 1, 1912
J__1912h	Ma -	Jonckheere, R.	...................
J__1912h		Journal Astronomique 2, no. 26, 5, 1912
J__1913a	Ma j	Jonckheere, R.	...................
J__1913a		Journal Astronomique 2, no. 27, 9, 1913
J__1913b	Ma j	Jonckheere, R.	...................
J__1913b		Journal Astronomique 2, no. 28, 13, 1913
J__1914	Ma -	Jonckheere, R.	...................
J__1914		Journal Astronomique 2, no. 29, 18, 1914
J__1917a	Ma -	Jonckheere, R.	1917MmRAS..61....1J
J__1917a		MemRAS 61, 1, 1917
J__1917c	Ma j	Jonckheere, R.	1917AJ.....31....1J
J__1917c		AJ 31, 1, 1917
J__1918	Ma -	Jonckheere, R.	1918AJ.....31..113J
J__1918		AJ 31, 113, 1918
J__1918b	Ma j	Jonckheere, R.	1918MNRAS..78..479J
J__1918b		MNRAS 78, 479, 1918
J__1919	Ma j	Jonckheere, R.	1919AJ.....32...65J
J__1919		AJ 32, 65, 1919
J__1920	Ma -	Jonckheere, R.	1920AJ.....32..166J
J__1920		AJ 32, 166, 1920
J__1924	Ma -	Jonckheere, R.	1924AJ.....35..173J
J__1924	+Mb	AJ 35, 173, 1924
J__1930	Ma j	Jonckheere, R.	1930JO.....13...76J
J__1930		J. Obs. 13, 76, 1930
J__1941a	Ma -	Jonckheere, R.	1941JO.....24...21J
J__1941a		J. Obs. 24, 21, 1941
J__1941b	Ma -	Jonckheere, R.	1941JO.....24...69J
J__1941b	+Mb	J. Obs. 24, 69, 1941
J__1941c	Ma -	Jonckheere, R.	1941JO.....24...93J
J__1941c	+Mb	J. Obs. 24, 93, 1941
J__1941d	Ma -	Jonckheere, R.	1941JO.....24..114J
J__1941d	+Mb	J. Obs. 24, 114, 1941
J__1942a	Ma -	Jonckheere, R.	1942JO.....25...11J
J__1942a		J. Obs. 25, 11, 1942
J__1942b	Ma -	Jonckheere, R.	1942JO.....25...15J
J__1942b		J. Obs. 25, 15, 1942
J__1942c	Ma -	Jonckheere, R.	1942JO.....25...25J
J__1942c	+Mb	J. Obs. 25, 25, 1942
J__1942d	Mb -	Jonckheere, R.	1942JO.....25...78J
J__1942d		J. Obs. 25, 78, 1942
J__1943	Ma -	Jonckheere, R.	1943JO.....26...28J
J__1943	+Mb	J. Obs. 26, 28, 1943
J__1944a	Ma j	Jonckheere, R.	1944JO.....27....1J
J__1944a	+Mb	J. Obs. 27, 1, 1944
J__1944b	Ma -	Jonckheere, R.	1944JO.....27....5J
J__1944b		J. Obs. 27, 5, 1944
J__1944c	Mb -	Jonckheere, R.	1944JO.....27....6J
J__1944c		J. Obs. 27, 6, 1944
J__1944d	Ma j	Jonckheere, R.	1944JO.....27....7J
J__1944d	+Mb	J. Obs. 27, 7, 1944
J__1944e	Ma -	Jonckheere, R.	1944JO.....27...11J
J__1944e		J. Obs. 27, 11, 1944
J__1945	Ma -	Jonckheere, R.	1945JO.....28...26J
J__1945	+Mb	J. Obs. 28, 26, 1945
J__1946	Mb j	Jonckheere, R.	1946JO.....29...49J
J__1946		J. Obs. 29, 49, 1946
J__1948	Ma j	Jonckheere, R.	1948JO.....31...65J
J__1948		J. Obs. 31, 65, 1948
J__1949a	Ma j	Jonckheere, R.	1949JO.....32...13J
J__1949a	+Mb	J. Obs. 32, 13, 1949
J__1949b	Ma j	Jonckheere, R.	1949JO.....32...81J
J__1949b	+Mb	J. Obs. 32, 81, 1949
J__1952	M+ j	Jonckheere, R.	1952JO.....35...37J
J__1952	+Pa	J. Obs. 35, 37, 1952
J__1953a	Ma -	Jonckheere, R.	1953JO.....36...44J
J__1953a		J. Obs. 36, 44, 1953
J__1953b	Mb j	Jonckheere, R.	1953JO.....36...49J
J__1953b		J. Obs. 36, 49, 1953
J__1954	Mb j	Jonckheere, R.	1954JO.....37...13J
J__1954		J. Obs. 37, 13, 1954
J__1955	Mb -	Jonckheere, R.	1955JO.....38..254J
J__1955		J. Obs. 38, 254, 1955
J__1957	Mb j	Jonckheere, R.	1957JO.....40....1J
J__1957		J. Obs. 40, 1, 1957
J__1958	Mb j	Jonckheere, R.	1958JO.....41..145J
J__1958		J. Obs. 41, 145, 1958
J__1962a	M+ j	Jonckheere, R.	1962QB821.J64......
J__1962a	+Pa	General Cat. of Double Stars, Marseille, 1962
J__1962b	Ma -	Jonckheere, R. (measure by Vanderdonck, J.)	1962QB821.J64......
J__1962b		General Cat. of Double Stars, Marseille, 1962
J__1963A	-	Jonckheere, R.	1963icvd.book.....J
J__1963A		cited in IDS (Lick Index Cat.), 1963
J__9999	Ma -	Jonckheere, R.	...................
J__9999	+Pp	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18105-1745	J 2197	AB	1999	4	109	72.5	8.04	11.39	B9V	D	181031.98-174527.3
18105-1745	J 2197	AB	2015	6	109	72.6	8.04	11.39	B9V		181031.98-174527.3

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

WDS 18105-1745 J 2197 AB (HD 166261) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18105-1745 J 2197 AB (HD 166261) : MEASURES

No records found.

WDS 18105-1745 (HD 166261) : 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 18105-1745 (HD 166261) : ALADIN DSS IMAGE @ 18^h 10^m 31.98^s -17° 45' 27.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18105-1745 J 2197 AB (HD 166261) : 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		18105-1745	J 2197	AB	109	72.6
Show		18105-1745	J 2197	BC	82	6.2	2
Show		18112-1723	RST3161		241	0.4	25
Show		18115-1807	ARA 457		3	14.3	26
Show		18087-1756	TDT 706	Aa,Ab	98	0.8	29
Show		18087-1756	ARA 266	AB	125	11.9	29
Show		18126-1804	ARA 461		313	10.8	36
Show		18095-1712	SKF 94	AB	243	4.6	37
Show		18095-1712	SKF 94	AC	279	6.2	37
Show		18099-1710	ARA 267		348	14.7	37
Show		18108-1709	HU 195	AB	71	1.3	37
Show		18108-1709	HJ 593	AC	312	19.8	37
Show		18090-1815	ARA 454		349	14.6	38
Show		18094-1822	FEN 26		46	5.0	41
Show		18118-1825	HJ 2820	BC	87	18.5	42
Show		18118-1825	HJ 2820	AB	279	5.8	42
Show		18118-1825	HJ 2820	AC	82	12.9	42
Show		18090-1825	HJ 2819		113	23.3	45
Show		18093-1827	ARA 455		97	11.5	46
Show		18086-1823	GAU9002		125	26.8	47
Show		18103-1700	ARA 268		304	14.0	47
Show		18089-1827	ARA 453		57	8.8	48
Show		18130-1819	TDT 739		253	2.2	49
Show		18133-1817	ARA 462		343	14.8	51
Show		18140-1801	TDT 754		91	0.5	52
Show		18079-1709	ARA 265		326	14.2	53
Show		18146-1742	SKF 96		50	3.3	59
Show		18146-1750	ARA 269		68	14.6	59
Show		18106-1645	S 700	AB	291	18.8	61
Show		18106-1645	S 700	AC	353	28.6	61
Show		18106-1645	ABH 94	AD	348	47.7	61
Show		18106-1645	ABH 94	AE	65	58.0	61
Show		18106-1645	ABH 94	AF	49	99.2	61
Show		18106-1645	S 700	AG	297	35.6	61
Show		18124-1840	KPP4092		335	1.6	62
Show		18146-1808	TDT 759		250	1.3	62
Show		18112-1642	RST4000		292	0.5	64
Show		18066-1712	HJ 2818		139	17.7	66
Show		18125-1847	ARA 460		86	13.7	68
Show		18152-1738	ARA 270		333	15.0	68
Show		18120-1852	OCC9177		-1	0.0	70
Show		18082-1847	ARA 452		263	12.5	71
Show		18155-1738	ARA 271		255	8.9	72
Show		18125-1852	VAT 2		86	7.6	72
Show		18137-1845	FEN 28		256	3.6	75
Show		18084-1856	AOT 70	CD	286	35.5	77
Show		18084-1856	I 625	AB	44	1.8	77
Show		18084-1856	AOT 69	AB,C	92	16.8	77
Show		18084-1856	AOT 70	AB,D	299	19.6	77
Show		18078-1852	ARA 451		182	7.7	78
Show		18080-1637	RST3996		90	0.2	78

WDS 18105-1745 : COMPONENTS

	A	B
B	pa=109.0° sep=72.65"
C	pa=107.0° sep=77.98"	pa=81.9° sep=5.93"

18105-1745 A

Name	HD 166261	Coord arcsec 2000	181031.98-174527.3	Mag	8.04	Spectral class	B9V (blue-white)
PmRA	5.00	PmDE	-4.0	SAO	161136	Tycho2	6268-01322-1
HD	166261	DM	BD-17 5048

Tycho2

Tycho2	6268-01322-1	Pflag		RAmdeg	272.63326407	DEmdeg	-17.75758534
PmRA	11.1	PmDE	-2.2	E RAmdeg	5	E DEmdeg	6
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.44	EpDEm	1991.23
Num	11	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.9
Q pmDE	0.9	BTmag	8.123	E BTmag	0.016	VTmag	8.039
E VTmag	0.012	Prox	773	TYC	T	HIP
CCDM		RAdeg	272.63323806	DEdeg	-17.75758028	EpRA 1990	1.86
EpDE 1990	1.92	E RAdeg	4.9	E DEdeg	6.1	Posflg
Corr	-0.1

SAO

SAO	161136	DelFlag		RA1950		PmRA1950	0.0007
DE1950		PmDE1950	0	Vmag	8.7	SpType	B9
Double code		Source	21	CatNum	6566	DM	BD-17 5048
DMcomp		BDsup		HD	166261	M HD	0
GC		RA1950rad	4.74560794	DE1950rad	-0.31012	PmRA2000	0.0008
PmDE2000	0.001

18105-1745 B

Coord arcsec 2000	181036.79-174550.9		Coord calc	181036.79-174550.9		Mag	11.39		PmRA	-22.00
PmDE	-8.0		Tycho2	6268-00586-1		Calc delta mag	3.35

Tycho2

Tycho2	6268-00586-1	Pflag		RAmdeg	272.65458417	DEmdeg	-17.76438983
PmRA	-16.6	PmDE	-21.0	E RAmdeg	65	E DEmdeg	79
E pmRA	4.1	E pmDE	4.4	EpRAm	1988.45	EpDEm	1987.34
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	11.897	E BTmag	0.130	VTmag	11.393
E VTmag	0.127	Prox	773	TYC		HIP
CCDM		RAdeg	272.65462389	DEdeg	-17.76434278	EpRA 1990	1.82
EpDE 1990	1.91	E RAdeg	65.7	E DEdeg	80.9	Posflg
Corr	-0.2

18105-1745 C

Coord arcsec 2000	181037.20-174550.1		Mag	11.4		PmRA	24.00		PmDE	5.0
Calc delta mag	3.36		Calc coord	yes