18192-2941 B 2444 (HD 168057)

18^h 19^m 13.32^s -29° 40' 51.6" P.A. 354.00 sep 6.9 mag 8.77,8.70 Sp ApSi

Coord 2000	18192-2941	Discov num	B 2444	Comp		Coord arcsec 2000	18 19 13.32 -29 40 51.6
Date first	1930	Date last	2015	Obs	5
Pa first	0	Pa last	354.4	P.A. Now (θ)	354.4°
Sep first	6.0	Sep last	6.902	Sep. Now (ρ)	6.902"
Mag pri	8.77	Mag sec	8.70	delta mag (ΔM)	0.07	Spectral class	ApSi (white)
Pri motion ra	-002	Sec motion ra
Pri motion dec	-018	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 168057		Constellation	Sagittarius		SAO	186640		Tycho2	6856-00280-1
Gaia DR2	4049566235092767744		HD	168057

WDS 18192-2941 B 2444 (HD 168057) : 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
18192-2941	B 2444		1999	2	354	6.9	8.77		ApSi	D	181913.32-294051.6
18192-2941	B 2444		2000	4	354	6.7	8.77	8.70	ApSi	D	181913.32-294051.6
18192-2941	B 2444		2015	5	354	6.9	8.77	8.70	ApSi		181913.32-294051.6

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

WDS 18192-2941 B 2444 (HD 168057) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18192-2941 B 2444 (HD 168057) : MEASURES

No records found.

WDS 18192-2941 (HD 168057) : 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 18192-2941 (HD 168057) : ALADIN DSS IMAGE @ 18^h 19^m 13.32^s -29° 40' 51.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18192-2941 B 2444 (HD 168057) : 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		18192-2941	B 2444		354	6.9
Show	Kaus Media	18210-2950	SEE 350	AB	276	31.7	25
Show	Kaus Media	18210-2950	SEE 350	AC	168	43.6	25
Show	Kaus Media	18210-2950	SEE 350	AD	225	59.9	25
Show		18196-2914	I 1022		242	0.8	28
Show		18169-2943	RST2045		256	3.1	30
Show		18193-3011	BRT3065		322	3.9	30
Show		18167-2945	I 1358		179	2.5	34
Show		18164-2951	J 1624		121	3.8	39
Show		18219-2913	RST2048		233	0.3	44
Show		18206-2856	BRT3066		167	2.7	48
Show		18165-2854	RST5446		129	0.2	60
Show		18210-2842	B 2864	BC	313	1.7	63
Show		18210-2842	B 2864	A,BC	166	38.6	63
Show		18173-3043	RST2046		267	0.8	67
Show		18188-3048	BRT3064		108	3.8	68
Show		18244-2932	RSS 31		169	44.7	69
Show		18245-2947	B 2446	AB	223	9.3	69
Show		18245-2947	BIL 7	Aa,Ab		0.1	69
Show		18233-3029	TDT 828		299	1.0	72
Show		18167-3047	BRT3063		180	4.2	73
Show		18161-3051	HDS2580		196	2.4	82
Show		18152-2837	OCC 151		-1	0.1	83
Show		18174-2817	OCC 168		-1	0.1	87
Show		18204-3107	RST5447		52	2.0	87
Show		18138-2850	B 2436		277	6.8	88
Show		18255-3015	B 939		190	5.0	89
Show		18256-3013	SEE 352		70	3.4	90
Show		18170-2816	OCC 116		-1	0.1	90
Show		18165-2818	B 2861		150	8.6	91
Show		18124-2929	B 929		278	3.6	91
Show		18244-3041	B 1359		74	3.3	91
Show		18226-3100	SKF2023		243	5.2	91
Show		18232-2825	HDS2601		221	0.2	93
Show		18119-2950	RST2037		2	0.4	96
Show		18150-2823	B 385		81	7.4	96
Show		18263-3008	BRT3071		323	3.5	97
Show		18162-3110	HJ 5037		227	36.9	98
Show		18176-2806	OCC 119		-1	0.1	98
Show		18118-2956	HDS2567		333	9.2	98
Show		18244-3054	BRT3070		242	4.7	99
Show		18194-3121	TDT 795		252	0.7	100
Show		18241-3058	BRT3069		104	4.3	101
Show		18271-2930	B 2447		222	8.8	104
Show		18113-2938	B 927		212	4.7	104
Show		18169-3122	KPP 411		163	3.9	106
Show		18267-3024	TOK 421		288	0.1	106
Show		18207-2754	TDT 809		108	0.5	109
Show		18176-2752	B 386		29	0.6	112
Show		18278-2949	RAG 2		265	11.1	113
Show		18105-2934	BRT3328		347	1.5	114

WDS 18192-2941 : COMPONENTS

	A
B	pa=355.1° sep=6.89"

18192-2941 A

Componente originario normalizzato	AB	Name	HD 168057	Coord arcsec 2000	181913.32-294051.6	Mag	8.77
Spectral class	ApSi (white)	PmRA	-2.00	PmDE	-18.0	SAO	186640
Tycho2	6856-00280-1	HD	168057	DM	CD-2914799

Tycho2

Tycho2	6856-00280-1	Pflag		RAmdeg	274.80551133	DEmdeg	-29.68100390
PmRA	-3.3	PmDE	-17.8	E RAmdeg	8	E DEmdeg	11
E pmRA	1.7	E pmDE	1.5	EpRAm	1991.28	EpDEm	1990.35
Num	6	Q RAmdeg	0.8	Q DEmdeg	0.5	Q pmRA	0.8
Q pmDE	0.6	BTmag	8.914	E BTmag	0.019	VTmag	8.772
E VTmag	0.017	Prox	999	TYC	T	HIP
CCDM		RAdeg	274.80551972	DEdeg	-29.68096361	EpRA 1990	1.88
EpDE 1990	1.84	E RAdeg	8.1	E DEdeg	10.5	Posflg
Corr	-0.1

SAO

SAO	186640	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	-0.001	Vmag	8.9	SpType	A0
Double code		Source	24	CatNum	11848	DM	CD-2914799
DMcomp		BDsup		HD	168057	M HD	0
GC		RA1950rad	4.78231957	DE1950rad	-0.5184007	PmRA2000	0.0015
PmDE2000	-0.001

CCDM

Ccdm	18192-2941	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.47	DDEs	9.8
R dRAs	41	Year		Theta		Rho
Obs	2	Vmag	8.7	Sp	A0	PmNote	*
PmRA	21	PmDE	-1	Dm number	-2914799	Cat1	CD
Name2	186640	Cat2	SAO	HD	168057	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18128S2943A
HIC

18192-2941 B

Componente originario normalizzato	AB		Coord arcsec 2000	181913.28-294044.7		Mag	8.7		Calc delta mag	0.07
Calc coord	yes

CCDM

Ccdm	18192-2941	RComp		Comp	B	Note1
Note2		Discov num	B 2444	DRAs		DDEs
R dRAs		Year		Theta	N	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	18128S2943B
HIC