21449-3416 B 1012 (HD 206726)

21^h 44^m 53.18^s -34° 16' 24.5" P.A. 234.00 sep 4.1 mag 9.76,12.50 Sp G1V

Coord 2000	21449-3416	Discov num	B 1012	Comp		Coord arcsec 2000	21 44 53.18 -34 16 24.5
Date first	1927	Date last	1998	Obs	4
Pa first	233	Pa last	234.4	P.A. Now (θ)	234.4°
Sep first	3.9	Sep last	4.137	Sep. Now (ρ)	4.137"
Mag pri	9.76	Mag sec	12.50	delta mag (ΔM)	2.74	Spectral class	G1V (yellow)
Pri motion ra	-013	Sec motion ra	-119
Pri motion dec	-009	Sec motion dec	-071
Notes

rPM=0.886

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 206726		Constellation	Piscis Austrinus		SAO	213256		Tycho2	7490-01829-1
Gaia DR2	6591158590283315456		HD	206726

WDS 21449-3416 B 1012 (HD 206726) : 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
21449-3416	B 1012		1998	3	236	4.0	9.76	12.50	G1V	D	214453.18-341624.5
21449-3416	B 1012		2010	5	247	4.2	9.76	12.50	G1V		214453.18-341624.5

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

WDS 21449-3416 B 1012 (HD 206726) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21449-3416 B 1012 (HD 206726) : MEASURES

No records found.

WDS 21449-3416 (HD 206726) : 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 21449-3416 (HD 206726) : ALADIN DSS IMAGE @ 21^h 44^m 53.18^s -34° 16' 24.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21449-3416 B 1012 (HD 206726) : 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		21449-3416	B 1012		234	4.1
Show		21463-3401	RSS 563		322	10.7	24
Show		21456-3451	HDS3099		50	0.2	36
Show		21442-3505	UC 4541	AB	304	74.8	50
Show		21490-3431	TSN 100		106	8.1	53
Show		21487-3351	RSS 564		172	57.9	55
Show		21449-3302	I 1051		290	20.0	75
Show		21447-3537	SEE 455	AB	84	4.5	81
Show		21427-3535	B 1011	AB	116	66.2	83
Show		21427-3535	B 1011	BC	238	1.4	83
Show		21418-3535	B 1010		328	4.3	88
Show		21492-3538	B 1013		329	0.0	98
Show		21467-3557	UC 4560		332	27.3	104
Show		21533-3439	UC 4589		235	15.0	107
Show		21369-3330	SEE 450		252	11.2	110
Show		21521-3522	UC 4584		40	18.1	111
Show		21406-3559	BRT1824		5	3.0	115
Show		21458-3612	DEA 10		34	108.9	117
Show		21540-3334	LDS4919		118	36.2	122
Show		21368-3303	SKF2100		53	162.1	125
Show		21554-3430	I 673		271	1.0	131
Show		21507-3607	BRT1825		143	3.3	132
Show		21466-3206	UC 4558		251	18.4	133
Show		21377-3557	BRT1822		102	5.3	135
Show		21446-3632	SKF2808		111	2.9	136
Show		21347-3509	B 1393		61	1.8	136
Show		21370-3553	CBL 184		265	78.4	138
Show		21459-3640	JSP 827	AB	108	0.5	144
Show		21459-3640	SKF1253	AB,C	70	43.5	144
Show		21558-3313	TSN 200		229	0.0	151
Show		21563-3510	UC 4606		76	41.1	151
Show		21573-3418	HDS3121	AB	105	0.8	154
Show		21573-3418	SKF 445	AC	153	13.7	154
Show		21554-3545	UC 4598		12	22.7	157
Show		21452-3139	DAW 230	AB	106	13.1	158
Show		21452-3139	HJ 5293	AC	250	19.0	158
Show		21322-3357	B 1009		59	6.7	159
Show		21569-3522	B 1394		317	0.6	162
Show		21509-3151	LDS4915		126	3.1	163
Show		21549-3610	LDS5935	BC	3	49.6	167
Show		21549-3610	LDS 763	AB	341	57.6	168
Show		21434-3708	WIS 351		70	359.5	173
Show		21419-3710	BVD 154		100	31.9	178
Show		21341-3221	HJ 5279		290	11.5	178
Show		21586-3511	SEE 462		193	10.9	178
Show		21405-3127	DAW 155		45	2.1	179
Show		21318-3534	B 1392		102	0.5	179
Show		21318-3538	KPP2207		227	18.3	180
Show		21304-3448	HJ 5274		121	26.2	182
Show		21450-3724	KPP3093		187	8.4	188
Show		21380-3706	BRT1823		268	3.0	190

WDS 21449-3416 : COMPONENTS

	A
B	pa=229.1° sep=3.68"

21449-3416 A

Componente originario normalizzato	AB	Name	HD 206726	Coord arcsec 2000	214453.18-341624.5	Mag	9.76
Spectral class	G1V (yellow)	PmRA	-13.00	PmDE	-9.0	SAO	213256
Tycho2	7490-01829-1	HD	206726	DM	CD-3415232

Tycho2

Tycho2	7490-01829-1	Pflag		RAmdeg	326.22162436	DEmdeg	-34.27349103
PmRA	-18.7	PmDE	-14.8	E RAmdeg	15	E DEmdeg	19
E pmRA	1.4	E pmDE	1.5	EpRAm	1987.98	EpDEm	1986.55
Num	9	Q RAmdeg	1.4	Q DEmdeg	0.9	Q pmRA	1.4
Q pmDE	0.9	BTmag	10.400	E BTmag	0.033	VTmag	9.764
E VTmag	0.027	Prox	999	TYC	T	HIP
CCDM		RAdeg	326.22167917	DEdeg	-34.27345472	EpRA 1990	1.69
EpDE 1990	1.37	E RAdeg	15.7	E DEdeg	21.1	Posflg
Corr	-0.2

SAO

SAO	213256	DelFlag		RA1950		PmRA1950	-0.0014
DE1950		PmDE1950	-0.066	Vmag	9.8	SpType	G0
Double code		Source	40	CatNum	11849	DM	CD-3415232
DMcomp		BDsup		HD	206726	M HD	0
GC		RA1950rad	5.68059614	DE1950rad	-0.6022117	PmRA2000	-0.0014
PmDE2000	-0.069

CCDM

Ccdm	21449-3416	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.81	DDEs	-28.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.9	Sp	G0	PmNote	*
PmRA	-17	PmDE	-66	Dm number	-3415232	Cat1	CD
Name2	213256	Cat2	SAO	HD	206726	M HD
ADS BDS		M ADS BDS		N IDS		IDS	21389S3444A
HIC

21449-3416 B

Componente originario normalizzato	AB		Coord arcsec 2000	214452.96-341626.9		Mag	12.5		PmRA	-119.00
PmDE	-71.0		Calc delta mag	2.74		Calc coord	yes

CCDM

Ccdm	21449-3416	RComp		Comp	B	Note1
Note2		Discov num	B 1012	DRAs		DDEs
R dRAs		Year	1927	Theta	233	Rho	3.9
Obs	2	Vmag	12.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21389S3444B
HIC