18089-3115 B 2855 (HD 165747)

18^h 08^m 54.29^s -31° 14' 53.3" P.A. 243.00 sep 6.7 mag 9.51,12.50 Sp B6Ib/II

Coord 2000	18089-3115	Discov num	B 2855	Comp		Coord arcsec 2000	18 08 54.29 -31 14 53.3
Date first	1930	Date last	1999	Obs	4
Pa first	225	Pa last	243	P.A. Now (θ)	243°
Sep first	6.0	Sep last	6.745	Sep. Now (ρ)	6.745"
Mag pri	9.51	Mag sec	12.50	delta mag (ΔM)	2.99	Spectral class	B6Ib/II (blue-white)
Pri motion ra	+007	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 165747		Constellation	Sagittarius		SAO	209767		Tycho2	7391-00374-1
Gaia DR2	4049125537018820480		HD	165747

WDS 18089-3115 B 2855 (HD 165747) : 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
18089-3115	B 2855		1998	3	243	6.7	9.51	12.50	B6Ib/II	D	180854.29-311453.3
18089-3115	B 2855		1999	4	243	6.7	9.51	12.50	B6Ib/II	D	180854.29-311453.3
18089-3115	B 2855		2010	5	250	6.4	9.51	12.50	B6Ib/II		180854.29-311453.3

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

WDS 18089-3115 B 2855 (HD 165747) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18089-3115 B 2855 (HD 165747) : MEASURES

No records found.

WDS 18089-3115 (HD 165747) : 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 18089-3115 (HD 165747) : ALADIN DSS IMAGE @ 18^h 08^m 54.29^s -31° 14' 53.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18089-3115 B 2855 (HD 165747) : 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		18089-3115	B 2855		243	6.7	1
Show		18085-3113	PRO 197		283	7.9	7
Show		18082-3127	BRT3060		55	4.0	16
Show		18097-3133	JSP 768		270	2.6	22
Show		18080-3055	SKF1058		216	3.3	24
Show		18101-3044	BU 245		345	4.1	35
Show		18086-3032	DAM1036		249	7.1	44
Show		18082-3032	SKF2063		53	7.6	44
Show		18059-3040	RSS 471		138	8.1	53
Show		18054-3146	B 1349	AB	138	1.2	55
Show		18054-3146	B 1349	AC	294	5.8	55
Show		18131-3143	PRO 198		218	7.0	61
Show		18062-3206	RST2029		110	0.4	62
Show		18048-3039	KPP2157		168	17.6	64
Show		18074-3011	B 1350		216	0.1	68
Show		18060-3018	BRT3059		65	4.2	69
Show		18033-3112	RSS 469		291	10.5	73
Show		18101-3225	JSP 769		1	2.0	73
Show		18138-3155	TDT 748		85	0.6	74
Show		18067-3223	RST2030		161	7.1	74
Show		18136-3158	B 1353		114	0.1	75
Show		18122-3217	I 629		156	1.4	76
Show		18149-3123	B 2437		239	8.5	78
Show		18047-3214	JSP 767		316	0.5	80
Show		18044-3211	PRO 196		222	4.5	81
Show		18025-3101	TDT 648		258	0.5	84
Show		18118-2956	HDS2567		333	9.2	88
Show		18162-3110	HJ 5037		227	36.9	94
Show		18119-2950	RST2037		2	0.4	94
Show		18051-2955	RST2025		194	0.3	94
Show		18020-3150	RST2021		218	0.9	95
Show		18144-3218	PRO 199		127	3.6	95
Show		18161-3051	HDS2580		196	2.4	96
Show		18038-3227	RST2022		33	0.3	97
Show		18113-2938	B 927		212	4.7	102
Show		18169-3122	KPP 411		163	3.9	103
Show		18021-3020	KPP2760		238	22.9	103
Show		18105-2934	BRT3328		347	1.5	104
Show		18167-3047	BRT3063		180	4.2	106
Show		18044-2946	SHN 226		-1	0.5	107
Show		18101-2928	OL 48		7	2.9	108
Show		18050-2935	BLM 5	Aa,Ab	210	0.2	112
Show		18050-2935	SEE 346	AB	232	34.0	112
Show		18050-2935	SEE 346	AC	106	41.4	112
Show		18050-2935	EVS 33	AD	341	6.3	112
Show		18050-2935	EVS 33	AE	46	19.0	112
Show		18173-3043	RST2046		267	0.8	113
Show		18054-2930	RST2026		315	4.8	115
Show		18141-3248	CAB 25		60	168.8	115
Show		18124-2929	B 929		278	3.6	116
Show		18013-3010	JSP 764		327	4.6	118

WDS 18089-3115 : COMPONENTS

	A
B	pa=239.2° sep=5.98"

18089-3115 A

Componente originario normalizzato	AB	Name	HD 165747	Coord arcsec 2000	180854.29-311453.3	Mag	9.51
Spectral class	B6Ib/II (blue-white)	PmRA	7.00	PmDE	-4.0	SAO	209767
Tycho2	7391-00374-1	HD	165747	DM	CD-3115152

Tycho2

Tycho2	7391-00374-1	Pflag		RAmdeg	272.22621193	DEmdeg	-31.24816431
PmRA	3.8	PmDE	-3.4	E RAmdeg	12	E DEmdeg	16
E pmRA	1.5	E pmDE	1.5	EpRAm	1989.46	EpDEm	1987.83
Num	7	Q RAmdeg	1.8	Q DEmdeg	1.5	Q pmRA	1.7
Q pmDE	1.5	BTmag	9.586	E BTmag	0.024	VTmag	9.513
E VTmag	0.027	Prox	999	TYC	T	HIP
CCDM		RAdeg	272.22620194	DEdeg	-31.24815444	EpRA 1990	1.78
EpDE 1990	1.71	E RAdeg	12.7	E DEdeg	16.5	Posflg
Corr	0.0

SAO

SAO	209767	DelFlag		RA1950		PmRA1950	-0.0041
DE1950		PmDE1950	-0.004	Vmag	9.4	SpType	B9
Double code		Source	40	CatNum	9719	DM	CD-3115152
DMcomp		BDsup		HD	165747	M HD	0
GC		RA1950rad	4.73710383	DE1950rad	-0.54553694	PmRA2000	-0.0042
PmDE2000	-0.004

CCDM

Ccdm	18089-3115	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.10	DDEs	6.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp	B9	PmNote	*
PmRA	-53	PmDE	-4	Dm number	-3115152	Cat1	CD
Name2	209767	Cat2	SAO	HD	165747	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18024S3116A
HIC

18089-3115 B

Componente originario normalizzato	AB		Coord arcsec 2000	180853.89-311456.4		Mag	12.5		Calc delta mag	2.99
Calc coord	yes

CCDM

Ccdm	18089-3115	RComp		Comp	B	Note1
Note2		Discov num	B	DRAs		DDEs
R dRAs		Year		Theta	SP	Rho	6.0
Obs		Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18024S3116B
HIC