18264-2749 B 2865 (HD 169558)

18^h 26^m 22.76^s -27° 48' 56.3" P.A. 298.00 sep 11.4 mag 9.95,12.30 Sp B8/9II

Coord 2000	18264-2749	Discov num	B 2865	Comp		Coord arcsec 2000	18 26 22.76 -27 48 56.3
Date first	1930	Date last	2015	Obs	6
Pa first	315	Pa last	297.5	P.A. Now (θ)	297.5°
Sep first	8.0	Sep last	11.358	Sep. Now (ρ)	11.358"
Mag pri	9.95	Mag sec	12.30	delta mag (ΔM)	2.35	Spectral class	B8/9II (blue-white)
Pri motion ra	-003	Sec motion ra	-020
Pri motion dec	-005	Sec motion dec	+006
Notes

rPM=0.97

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 169558		Constellation	Sagittarius		SAO	186811		Tycho2	6865-01351-1
Gaia DR2	4051652386575488512		HD	169558

WDS 18264-2749 B 2865 (HD 169558) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
B__1921a	orb -	van den Bos, W.H.	1921MNRAS..81..474V
B__1921a		MNRAS 81, 474, 1921
B__1921b	orb -	van den Bos, W.H.	.
B__1921b		Proc. Amsterdam Acad. 30, 72, 1921
B__1923a	Po j	van den Bos, W.H.	1923BAN.....1..193V
B__1923a		BAN 1, 193, 1923
B__1923b	orb -	van den Bos, W.H.	1923BAN.....2...25V
B__1923b		BAN 2, 25, 1923
B__1923c	orb -	van den Bos, W.H.	1923BAN.....2...29V
B__1923c		BAN 2, 29, 1923
B__1925a	Ma j	van den Bos, W.H.	1925AnLei..143...1V
B__1925a		Ann. Leiden Obs. 14, Pt.3, 1925
B__1925b	Ma j	van den Bos, W.H.	1925BAN.....2..197V
B__1925b	+Po	BAN 2, 197, 1925
B__1926a	orb -	van den Bos, W.H.	1926BAN.....3..127V
B__1926a		BAN 3, 127, 1926
B__1926b	orb -	van den Bos, W.H.	1926BAN.....3..128V
B__1926b		BAN 3, 128, 1926
B__1927a	orb -	van den Bos, W.H.	1927BAN.....3..261V
B__1927a		BAN 3, 261, 1927
B__1927b	-	van den Bos, W.H.	1927BAN.....4...45V
B__1927b		BAN 4, 45, 1927
B__1927b		(4th list of new southern double stars; precise measures in later references)
B__1927c	Ma -	van den Bos, W.H.	1927BAN.....4..109V
B__1927c		BAN 4, 109, 1927
B__1927c		(5th list of new southern double stars; precise measures in later references)
B__1927D	Ma -	van den Bos, W.H.	1927sdsc.book......
B__1927D		cited in SDS (Southern Double Star Cat.), 1927
B__1928a	Ma -	van den Bos, W.H.	1928BAN.....4..235V
B__1928a		BAN 4, 235, 1928
B__1928a		(6th list of new southern double stars; precise measures in later references)
B__1928b	Ma j	van den Bos, W.H.	1928AnLei..144...1V
B__1928b		Ann. Leiden Obs. 14, Pt.4, 1928
B__1928c	Ma -	van den Bos, W.H.	1928MNRAS..88..488F
B__1928c		MNRAS 88, 488, 1928
B__1928d	Ma j	van den Bos, W.H.	1928CiUO...78...13V
B__1928d		Union Obs. Johannesburg Circ. 78, 13, 1928
B__1928e	orb -	van den Bos, W.H.	.
B__1928e		Mem. Copenhagen Acad. 12, 2, 1928
B__1929a	Ma j	van den Bos, W.H.	1929CiUO...80...59V
B__1929a		Union Obs. Johannesburg Circ. 80, 59, 1929
B__1929b	orb -	van den Bos, W.H.	1929CiUO...79...49V
B__1929b		Union Obs. Johannesburg Circ. 79, 49, 1929
B__1929c	Ma -	van den Bos, W.H.	1929BAN.....5..125V
B__1929c		BAN 5, 125, 1929
B__1930a	Ma j	van den Bos, W.H.	1930CiUO...83..135V
B__1930a		Union Obs. Johannesburg Circ. 83, 135, 1930
B__1930b	Ma -	van den Bos, W.H.	1930BAN.....5..179V
B__1930b		BAN 5, 179, 1930
B__1930c	Ma -	van den Bos, W.H.	1930BAN.....5..183V
B__1930c		BAN 5, 183, 1930
B__1931a	Ma -	van den Bos, W.H.	1931MNRAS..92...19F
B__1931a		MNRAS 92, 19, 1931
B__1931b	Ma -	van den Bos, W.H.	1931CiUO...85..183V
B__1931b		Union Obs. Johannesburg Circ. 85, 183, 1931
B__1932a	Ma j	van den Bos, W.H.	1932CiUO...87..273V
B__1932a		Union Obs. Johannesburg Circ. 87, 273, 1932
B__1932b	Ma j	van den Bos, W.H.	1932CiUO...88..324V
B__1932b		Union Obs. Johannesburg Circ. 88, 324, 1932
B__1932C	Ma -	van den Bos, W.H.	1932QB821.A43......
B__1932C		cited in ADS (Aitken Double Star Cat.), 1932
B__1933a	Ma -	van den Bos, W.H.	1933BAN.....7....1V
B__1933a		BAN 7, 1, 1933
B__1933b	J -	van den Bos, W.H.	1933CiUO...90..379V
B__1933b		Union Obs. Johannesburg Circ. 90, 379, 1933
B__1933c	orb -	van den Bos, W.H.	1933CiUO...90..388V
B__1933c		Union Obs. Johannesburg Circ. 90, 388, 1933
B__1933d	Ma j	van den Bos, W.H.	1933CiUO...90..401V
B__1933d		Union Obs. Johannesburg Circ. 90, 401, 1933
B__1934a	Ma -	van den Bos, W.H.	1934CiUO...92...61V
B__1934a		Union Obs. Johannesburg Circ. 92, 61, 1934
B__1934b	orb -	van den Bos, W.H.	1934CiUO...92..102V
B__1934b		Union Obs. Johannesburg Circ. 92, 102, 1934
B__1935a	Ma j	van den Bos, W.H.	1935CiUO...94..134V
B__1935a	+J	Union Obs. Johannesburg Circ. 93, 134, 1935
B__1935b	orb -	van den Bos, W.H.	1935CiUO...94..148V
B__1935b		Union Obs. Johannesburg Circ. 94, 148, 1935
B__1935c	Ma j	van den Bos, W.H.	1935CiUO...94..149V
B__1935c		Union Obs. Johannesburg Circ. 94, 149, 1935
B__1935D	orb -	van den Bos, W.H.	1935QB821.A3.......
B__1935D		letter cited by Aitken, The Binary Stars, 1935
B__1936a	orb -	van den Bos, W.H.	1936CiUO...96..231V
B__1936a		Union Obs. Johannesburg Circ. 96, 231, 1936
B__1936b	Ma j	van den Bos, W.H.	1936CiUO...96..234V
B__1936b		Union Obs. Johannesburg Circ. 96, 234, 1936
B__1937a	orb -	van den Bos, W.H.	1937CiUO...98..341V
B__1937a		Union Obs. Johannesburg Circ. 98, 341, 1937
B__1937b	Ma -	van den Bos, W.H.	1937CiUO...98..362V
B__1937b		Union Obs. Johannesburg Circ. 98, 362, 1937
B__1938a	orb -	van den Bos, W.H.	1938CiUO...99..445V
B__1938a		Union Obs. Johannesburg Circ. 99, 445, 1938
B__1938d	orb -	van den Bos, W.H.	1938CiUO..100..480V
B__1938d		Union Obs. Johannesburg Circ. 100, 480, 1938
B__1938e	Ma j	van den Bos, W.H.	1938CiUO..100..481V
B__1938e		Union Obs. Johannesburg Circ. 100, 481, 1938
B__1940	orb -	van den Bos, W.H.	1940CiUO..102...49V
B__1940		Union Obs. Johannesburg Circ. 102, 49, 1940
B__1943A	Ma -	van den Bos, W.H.	1943AJ.....50..139A
B__1943A		cited by Alden (1943 AJ 50, 139)
B__1941	orb -	van den Bos, W.H.	1941CiUO..104...73V
B__1941		Union Obs. Johannesburg Circ. 104, 73, 1941
B__1945	orb -	van den Bos, W.H.	1945AJ.....51..198V
B__1945		AJ 51, 198, 1945
B__1947	Ma -	van den Bos, W.H.	1947CiUO..105..134V
B__1947		Union Obs. Johannesburg Circ. 105, 134, 1947
B__1947b	Po j	van den Bos, W.H. (in Voute et al.)	1947AnBos...6....3V
B__1947b		Ann. Bosscha Obs. Lembang 6, Pt.3, C1, 1947
B__1948	Ma -	van den Bos, W.H.	1948CiUO..107..259V
B__1948		Union Obs. Johannesburg Circ. 107, 259, 1948
B__1949a	orb -	van den Bos, W.H.	1949CiUO..108..310V
B__1949a		Union Obs. Johannesburg Circ. 108, 310, 1949
B__1949b	orb -	van den Bos, W.H.	1949CiUO..108..311V
B__1949b		Union Obs. Johannesburg Circ. 108, 311, 1949
B__1949c	Ma j	van den Bos, W.H.	1949CiUO..108..312V
B__1949c		Union Obs. Johannesburg Circ. 108, 312, 1949
B__1950a	orb -	van den Bos, W.H.	1950CiUO..109..366V
B__1950a		Union Obs. Johannesburg Circ. 109, 366, 1950
B__1950b	orb -	van den Bos, W.H.	1950CiUO..109..370V
B__1950b		Union Obs. Johannesburg Circ. 109, 370, 1950
B__1950c	Ma -	van den Bos, W.H.	1950CiUO..109..371V
B__1950c		Union Obs. Johannesburg Circ. 109, 371, 1950
B__1951a	Ma j	van den Bos, W.H.	1951CiUO..111...13V
B__1951a	+J	Union Obs. Johannesburg Circ. 111, 13, 1951
B__1951b	orb -	van den Bos, W.H.	1951CiUO..111...11V
B__1951b		Union Obs. Johannesburg Circ. 111, 11, 1951
B__1951c	orb -	van den Bos, W.H.	1951CiUO..112..143V
B__1951c		Union Obs. Johannesburg Circ. 112, 143, 1951
B__1951d	-	van den Bos, W.H.	1951JO.....34...85V
B__1951d		J. Obs. 34, 85, 1951
B__1953a	Ma -	van den Bos, W.H.	1953CiUO..113..185V
B__1953a		Union Obs. Johannesburg Circ. 113, 185, 1953
B__1953b	orb -	van den Bos, W.H.	1953CiUO..113..209V
B__1953b		Union Obs. Johannesburg Circ. 113, 209-219, 1953	1953MNSSA..12...19V
B__1953b		(also MNASSA 12, 19, 1953; MNASSA 12, 57, 1953)	1953MNSSA..12...57V
B__1954	orb -	van den Bos, W.H.	1954CiUO..114..235V
B__1954		Union Obs. Johannesburg Circ. 114, 235, 1954
B__1956a	Ma -	van den Bos, W.H.	1956CiUO..115..266V
B__1956a	+J	Union Obs. Johannesburg Circ. 115, 266, 1956
B__1956b	orb -	van den Bos, W.H.	1956CiUO..115..279V
B__1956b		Union Obs. Johannesburg Circ. 115, 279-284, 1956
B__1956c	orb -	van den Bos, W.H.	1956MNSSA..15...39V
B__1956c		MNASSA 15, 39, 1956
B__1957a	orb -	van den Bos, W.H.	1957CiUO..116..289V
B__1957a		Union Obs. Johannesburg Circ. 116, 289-291, 1957
B__1957b	Ma -	van den Bos, W.H.	1957CiUO..116..291V
B__1957b		Union Obs. Johannesburg Circ. 116, 291, 1957
B__1958	Ma -	van den Bos, W.H.	1958AJ.....63...63V
B__1958		AJ 63, 63, 1958
B__1959a	Mb j	van den Bos, W.H.	1959ApJS....4...45V
B__1959a		ApJS 4, 45, 1959
B__1959b	orb -	van den Bos, W.H.	1959JO.....42...79V
B__1959b		J. Obs. 42, 79, 1959
B__1959c	orb -	van den Bos, W.H.	1959JO.....42...93V
B__1959c		J. Obs. 42, 93, 1959
B__1959d	Ma -	van den Bos, W.H.	1959CiUO..118..308V
B__1959d		Union Obs. Johannesburg Circ. 118, 308, 1959
B__1959e	orb -	van den Bos, W.H.	1959CiUO..118..311V
B__1959e		Union Obs. Johannesburg Circ. 118, 311-312, 1959
B__1960a	Ma -	van den Bos, W.H.	1960CiUO..119..321V
B__1960a		Union Obs. Johannesburg Circ. 119, 321, 1960
B__1960b	Ma j	van den Bos, W.H.	1960PYerO...9....1B
B__1960b	+Mb	Pub. Yerkes Obs. 9, pt. 1, 1960
B__1960c	orb -	van den Bos, W.H.	1960JO.....43..145V
B__1960c		J. Obs. 43, 145, 1960
B__1960d	orb -	van den Bos, W.H.	1960JO.....43..152V
B__1960d		J. Obs. 43, 152, 1960
B__1960e	orb -	van den Bos, W.H.	1960CiUO..119..359V
B__1960e		Union Obs. Johannesburg Circ. 119, 339-340, 1960
B__1960f	orb -	van den Bos, W.H.	1960CiUO..119..341V
B__1960f		Union Obs. Johannesburg Circ. 119, 341-343, 1960
B__1961a	Ma -	van den Bos, W.H.	1961CiUO..120..353V
B__1961a		Union Obs. Johannesburg Circ. 120, 353, 1961
B__1961b	orb -	van den Bos, W.H.	1961CiUO..120..374V
B__1961b		Union Obs. Johannesburg Circ. 120, 374-375, 1961
B__1961c	orb -	van den Bos, W.H.	1961CiUO..120..377V
B__1961c		Union Obs. Johannesburg Circ. 120, 377-379, 1961
B__1961d	orb -	van den Bos, W.H.	1961CiUO..120..380V
B__1961d		Union Obs. Johannesburg Circ. 120, 380-381, 1961
B__1961e	orb -	van den Bos, W.H.	1961PASP...74..201V
B__1961e		PASP 74, 201, 1961
B__1962a	Ma -	van den Bos, W.H.	1962AJ.....67..141V
B__1962a		AJ 67, 141, 1962
B__1962b	orb -	van den Bos, W.H.	1962AJ.....67..552V
B__1962b		AJ 67, 552, 1962
B__1962c	orb -	van den Bos, W.H.	1962JO.....45...55V
B__1962c		J. Obs. 45, 55, 1962
B__1962d	Ma j	van den Bos, W.H.	1962AJ.....67..555V
B__1962d		AJ 67, 555, 1962
B__1963a	Ma -	van den Bos, W.H.	1963AJ.....68...57V
B__1963a		AJ 68, 57, 1963
B__1963b	Ma j	van den Bos, W.H.	1963AJ.....68..582V
B__1963b		AJ 68, 582, 1963
B__1964a	orb -	van den Bos, W.H.	1964ROCi..123...62V
B__1964a		Republic Obs. Circ. 123, 62, 1964
B__1964b	orb -	van den Bos, W.H.	1964JO.....47...34V
B__1964b		J. Obs. 47, 34, 1964
B__1965a	Ma -	van den Bos, W.H.	1965ROCi..124...70V
B__1965a		Republic Obs. Circ. 124, 70, 1965
B__1965b	orb -	van den Bos, W.H.	1965ROCi..124...86V
B__1965b		Republic Obs. Circ. 124, 86, 1965
B__1966a	Ma -	van den Bos, W.H.	1966ROCi..125...93V
B__1966a		Republic Obs. Circ. 125, 93, 1966
B__1966b	orb -	van den Bos, W.H.	1966ROCi..125..112V
B__1966b		Republic Obs. Circ. 125, 112, 1966
B__1966c	orb -	van den Bos, W.H.	1966ROCi..125..118V
B__1966c		Republic Obs. Circ. 125, 118, 1966
B__1966d	orb -	van den Bos, W.H.	1966ROCi..125..119V
B__1966d		Republic Obs. Circ. 125, 119-120, 1966
B__1967	Ma -	van den Bos, W.H.	1967ROCi..126..127V
B__1967		Republic Obs. Circ. 126, 127, 1967
B__1967b	orb -	van den Bos, W.H.	1967JO.....13..119V
B__1967b		J. Obs. 13, 119, 1967
B__1968	Ma -	van den Bos, W.H.	1968ROCi..127..157V
B__1968		Republic Obs. Circ. 127, 157, 1968
B__9999	Ma -	van den Bos, W.H.	...................
B__9999		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
18264-2749	B 2865		1998	3	297	11.4	9.95	12.30	B8/9II	D	182622.76-274856.3
18264-2749	B 2865		1999	4	297	11.3	9.95	12.30	B8/9II	D	182622.76-274856.3
18264-2749	B 2865		2010	5	296	11.1	9.95	12.30	B8/9II		182622.76-274856.3
18264-2749	B 2865		2015	6	298	11.4	9.95	12.30	B8/9II		182622.76-274856.3

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

WDS 18264-2749 B 2865 (HD 169558) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18264-2749 B 2865 (HD 169558) : MEASURES

No records found.

WDS 18264-2749 (HD 169558) : 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 18264-2749 (HD 169558) : ALADIN DSS IMAGE @ 18^h 26^m 22.76^s -27° 48' 56.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18264-2749 B 2865 (HD 169558) : 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		18264-2749	B 2865		298	11.4
Show		18259-2752	RST2051		116	1.4	7
Show		18261-2740	J 2211	AB	49	5.7	10
Show		18261-2740	J 2211	AC	196	11.4	10
Show		18257-2726	OCC 186		-1	0.1	24
Show		18256-2724	COO 225	AB	359	5.9	27
Show		18256-2724	SIN 109	AC	89	69.0	27
Show		18275-2725	FIN 267		343	4.9	29
Show		18239-2746	VVV 4		166	95.5	34
Show		18259-2713	RST2050		77	2.0	37
Show		18296-2803	SKF2128		291	4.8	45
Show		18286-2717	J 2214		119	5.3	47
Show		18289-2716	OCC 185		-1	0.1	48
Show		18232-2825	HDS2601		221	0.2	55
Show		18280-2651	I 1366		225	0.4	63
Show		18279-2848	RST2056		27	2.6	63
Show		18311-2738	J 1632		165	5.3	64
Show		18312-2757	RST2060	Ba,Bb	8	0.6	65
Show		18281-2645	HDS2615	AB	186	0.3	68
Show		18281-2645	ARY 126	AC	135	54.1	68
Show		18277-2638	BU 133		230	0.6	74
Show		18207-2754	TDT 809		108	0.5	76
Show		18307-2700	RST2059		5	1.9	76
Show		18225-2651	JKS 21	AB	326	22.9	78
Show		18225-2651	JKS 21	AC	48	26.4	78
Show		18292-2640	B 391		65	0.2	79
Show		18305-2848	HDS2624		230	0.1	81
Show		18325-2753	SKF2131		47	4.7	82
Show		18290-2635	WNO 6		182	41.8	82
Show		18319-2831	RST2062		3	0.8	84
Show		18328-2747	KPP 417		57	5.0	86
Show		18210-2842	B 2864	A,BC	166	38.6	90
Show		18210-2842	B 2864	BC	313	1.7	90
Show		18281-2917	AAQ 3		74	3.5	92
Show		18292-2916	B 2450		347	14.0	95
Show		18292-2921	B 2451		244	9.3	100
Show		18271-2930	B 2447		222	8.8	102
Show		18206-2856	BRT3066		167	2.7	103
Show		18335-2832	BRT3073		281	3.9	104
Show		18219-2913	RST2048		233	0.3	104
Show		18236-2610	HO 566		143	0.5	106
Show		18244-2932	RSS 31		169	44.7	107
Show		18265-2601	J 2212		302	5.3	109
Show		18266-2600	J 2213		90	6.5	109
Show		18346-2734	I 1026	AB	41	9.0	111
Show		18346-2734	I 1026	A,CD	145	36.1	111
Show		18346-2734	TOK 422	Aa,Ab	102	0.1	111
Show		18346-2734	I 1027	CD	69	1.9	111
Show		18322-2630	SKF2066		282	17.5	111
Show		18177-2746	I 1359		113	1.2	116
Show		18329-2906	SKF2130		134	3.0	116

WDS 18264-2749 : COMPONENTS

	A
B	pa=300.5° sep=10.34"

18264-2749 A

Componente originario normalizzato	AB	Name	HD 169558	Coord arcsec 2000	182622.76-274856.3	Mag	9.95
Spectral class	B8/9II (blue-white)	PmRA	-3.00	PmDE	-5.0	SAO	186811
Tycho2	6865-01351-1	HD	169558	DM	CD-2712844

Tycho2

Tycho2	6865-01351-1	Pflag		RAmdeg	276.59483379	DEmdeg	-27.81564219
PmRA	0.1	PmDE	-4.4	E RAmdeg	21	E DEmdeg	23
E pmRA	2.1	E pmDE	1.7	EpRAm	1989.13	EpDEm	1984.20
Num	6	Q RAmdeg	1.2	Q DEmdeg	1.5	Q pmRA	1.2
Q pmDE	1.5	BTmag	10.142	E BTmag	0.034	VTmag	9.955
E VTmag	0.042	Prox	999	TYC	T	HIP
CCDM		RAdeg	276.59483500	DEdeg	-27.81563389	EpRA 1990	1.80
EpDE 1990	1.73	E RAdeg	21.6	E DEdeg	27.8	Posflg
Corr	-0.3

SAO

SAO	186811	DelFlag		RA1950		PmRA1950	0.0046
DE1950		PmDE1950	-0.04	Vmag	9.4	SpType	B8
Double code		Source	24	CatNum	11955	DM	CD-2712844
DMcomp		BDsup		HD	169558	M HD	0
GC		RA1950rad	4.81376234	DE1950rad	-0.48600297	PmRA2000	0.0045
PmDE2000	-0.04

CCDM

Ccdm	18264-2749	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.00	DDEs	1.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp	B8	PmNote	*
PmRA	61	PmDE	-40	Dm number	-2712844	Cat1	CD
Name2	186811	Cat2	SAO	HD	169558	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18201S2752A
HIC

18264-2749 B

Componente originario normalizzato	AB		Coord arcsec 2000	182622.09-274851.1		Mag	12.3		PmRA	-20.00
PmDE	6.0		Calc delta mag	2.35		Calc coord	yes

CCDM

Ccdm	18264-2749	RComp		Comp	B	Note1
Note2		Discov num	B	DRAs		DDEs
R dRAs		Year		Theta	NP	Rho	8.0
Obs		Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18201S2752B
HIC