20412+2703 COU 1038 AB (HD 340803)

20^h 41^m 09.73^s +27° 02' 51.7" P.A. 90.00 sep 1.2 mag 9.77,10.23 Sp G5

Coord 2000	20412+2703	Discov num	COU1038	Comp	AB	Coord arcsec 2000	20 41 09.73 +27 02 51.7
Date first	1973	Date last	2016	Obs	22
Pa first	57	Pa last	90.4	P.A. Now (θ)	90.4°
Sep first	0.8	Sep last	1.16	Sep. Now (ρ)	1.16"
Mag pri	9.77	Mag sec	10.23	delta mag (ΔM)	0.46	Spectral class	G5 (yellow)
Pri motion ra	+025	Sec motion ra	+025
Pri motion dec	-101	Sec motion dec	-101
Notes

Nature of this double is uncertain.

20412+2703 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 340803	89006	20 41 10 +27 02 52	COU 1038 AB	2016	22	90	1.2	9.77	10.23	0.46		<===
Show		89006	20 41 10 +27 02 52	KPP 4398 AC	2015	11	215	43.4	9.80	14.90	5.10

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 340803		Constellation	Vulpecula		SAO	89006		Tycho2	2178-01157-1
HD	340803

WDS 20412+2703 COU 1038 AB (HD 340803) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cou1952a	Ma -	Couteau, P.	1952JO.....35..101C
Cou1952a	+Mc	J. Obs. 35, 101, 1952
Cou1952b	Ma -	Couteau, P.	1952JO.....35..181C
Cou1952b		J. Obs. 35, 181, 1952
Cou1953a	Ma -	Couteau, P.	1953JO.....36...37C
Cou1953a		J. Obs. 36, 37, 1953
Cou1953b	-	Couteau, P.	1953JO.....36...44C
Cou1953b		J. Obs. 36, 44, 1953
Cou1953c	Ma -	Couteau, P.	1953JO.....36...46C
Cou1953c		J. Obs. 36, 46, 1953
Cou1953d	Ma -	Couteau, P.	1953JO.....36..131C
Cou1953d		J. Obs. 36, 131, 1953
Cou1953e	Mc -	Couteau, P.	1953JO.....37...37C
Cou1953e		J. Obs. 37, 37, 1953
Cou1955a	Ma -	Couteau, P.	1955JO.....38....1C
Cou1955a		J. Obs. 38, 1, 1955
Cou1955b	-	Couteau, P.	1955JO.....38...27C
Cou1955b		J. Obs. 38, 27, 1955
Cou1955c	Ma -	Couteau, P.	1955JO.....38..238C
Cou1955c	+Mc	J. Obs. 38, 238, 1955
Cou1956	Ma -	Couteau, P.	1956JO.....39..137C
Cou1956	+Mc	J. Obs. 39, 137, 1956
Cou1957a	Ma j	Couteau, P.	1957JO.....40..113C
Cou1957a	+Mc	J. Obs. 40, 113, 1957
Cou1957b	orb -	Couteau, P.	1957JO.....40..126C
Cou1957b		J. Obs. 40, 126, 1957
Cou1958a	M+ -	Couteau, P.	1958JO.....41....1C
Cou1958a	+Pa	J. Obs. 41, 1-14, 1958
Cou1958b	orb -	Couteau, P.	1958JO.....41...15C
Cou1958b		J. Obs. 41, 15-19, 1958
Cou1958c	Ma j	Couteau, P.	1958JO.....41...81C
Cou1958c	+Mc	J. Obs. 41, 81-90, 1958
Cou1958d	orb -	Couteau, P.	1958JO.....41...91C
Cou1958d		J. Obs. 41, 91-96, 1958
Cou1959a	Ma -	Couteau, P.	1959JO.....42...17C
Cou1959a	+Mc	J. Obs. 42, 17, 1959
Cou1959b	orb -	Couteau, P.	1959JO.....42...30C
Cou1959b		J. Obs. 42, 30, 1959
Cou1960a	M+ -	Couteau, P.	1960JO.....43....1C
Cou1960a	+orb	J. Obs. 43, 1, 1960
Cou1960b	orb -	Couteau, P.	.
Cou1960b		Bull. Astron. Paris 23, 127, 1960
Cou1960c	orb -	Couteau, P.	1960JO.....43...13C
Cou1960c		J. Obs. 43, 13, 1960
Cou1961a	Ma -	Couteau, P.	1961JO.....44...41C
Cou1961a	+Mc	J. Obs. 44, 41, 1961
Cou1961b	orb -	Couteau, P.	1961JO.....44...54C
Cou1961b		J. Obs. 44, 54-60, 1961
Cou1961c	orb -	Couteau, P.	1961IAUDS..23....1C
Cou1961c		Inf. Circ. 23, 1, 1961
Cou1962a	Ma j	Couteau, P.	1962JO.....45...43C
Cou1962a	+Mc	J. Obs. 45, 43, 1962
Cou1962b	Ma j	Couteau, P.	1962JO.....45..225C
Cou1962b	+Mb	J. Obs. 45, 225, 1962
Cou1962c	orb -	Couteau, P.	.
Cou1962c		Bull. Astron. Paris 24, 15, 1962
Cou1962d	orb -	Couteau, P.	1962IAUDS..26....1C
Cou1962d		Inf. Circ. 26, 1, 1962
Cou1962e	orb -	Couteau, P.	1962JO.....45...37C
Cou1962e		J. Obs. 45, 37, 1962
Cou1962F	Ma -	Couteau, P.	1962QB821.J64......
Cou1962F		cited by Jonckheere (General Cat. of Double Stars, Marseille, 1962)
Cou1963a	Ma j	Couteau, P.	1963JO.....46..155C
Cou1963a	+Mc	J. Obs. 46, 155, 1963
Cou1963b	orb -	Couteau, P.	1963JO.....46..172C
Cou1963b		J. Obs. 46, 172, 1963
Cou1963c	orb -	Couteau, P.	.
Cou1963c		Bull. Astron. Paris 24, 24, 1963
Cou1964	M+ j	Couteau, P.	1964JO.....47..229C
Cou1964	+Pa	J. Obs. 47, 229, 1964
Cou1965a	orb -	Couteau, P.	1965JO.....48...33C
Cou1965a		J. Obs. 48, 33, 1965
Cou1965b	orb -	Couteau, P.	1965JO.....48...35C
Cou1965b		J. Obs. 48, 35, 1965
Cou1966a	Ma -	Couteau, P.	1966JO.....49..221C
Cou1966a	+Pa	J. Obs. 49, 221, 1966
Cou1966b	M+ j	Couteau, P.	1966JO.....49..341C
Cou1966b	+Pa	J. Obs. 49, 341, 1966
Cou1966c	orb -	Couteau, P.	1966JO.....49..369C
Cou1966c		J. Obs. 49, 369, 1966
Cou1967a	Ma -	Couteau, P.	1967JO.....50...33C
Cou1967a	+Pa	J. Obs. 50, 33-39, 1967
Cou1967b	Ma -	Couteau, P.	1967JO.....50...41C
Cou1967b		J. Obs. 50, 41-57, 1967
Cou1967c	orb -	Couteau, P.	1967IAUDS..42....1C
Cou1967c		Inf. Circ. 42, 1, 1967
Cou1968a	Ma j	Couteau, P.	1968JO.....51...31C
Cou1968a		J. Obs. 51, 31, 1968
Cou1968b	Ma j	Couteau, P.	1968JO.....51..337C
Cou1968b		J. Obs. 51, 337, 1968
Cou1970a	Ma j	Couteau, P.	1970A&AS....1..105C
Cou1970a	+Pa	A&AS 1, 105, 1970
Cou1970b	Ma j	Couteau, P.	1970A&AS....1..419C
Cou1970b	+Pa	A&AS 1, 419, 1970
Cou1970c	Ma j	Couteau, P.	1970A&AS....3...51C
Cou1970c	+Pa	A&AS 3, 51, 1970
Cou1971	orb -	Couteau, P. & Morel, P.J.	1971IAUDS..53....1C
Cou1971		Inf. Circ. 53, 1, 1971
Cou1972a	Ma j	Couteau, P.	1972A&AS....5..167C
Cou1972a	+Pa	A&AS 5, 167, 1972
Cou1972b	orb -	Couteau, P. & Morel, P.J.	1972A&AS....5..175C
Cou1972b		A&AS 5, 175, 1972
Cou1972c	orb -	Couteau, P.	1972A&AS....5..181C
Cou1972c		A&AS 5, 181, 1972
Cou1972d	Ma j	Couteau, P.	1972A&AS....6..177C
Cou1972d		A&AS 6, 177, 1972
Cou1972e	Ma j	Couteau, P.	1972A&AS....6..185C
Cou1972e		A&AS 6, 185, 1972
Cou1972f	Ma j	Couteau, P.	1972A&AS....6..419C
Cou1972f	+Pa	A&AS 6, 419, 1972
Cou1973a	Ma j	Couteau, P.	1973A&AS...10..273C
Cou1973a	+Pa	A&AS 10, 273, 1973
Cou1973b	orb -	Couteau, P.	1973A&AS...12..127C
Cou1973b		A&AS 12, 127, 1973
Cou1973c	Ma -	Couteau, P.	1973A&AS...12..137C
Cou1973c	+Pa	A&AS 12, 137, 1973
Cou1973d	orb -	Couteau, P.	1973IAUDS..59....1C
Cou1973d		Inf. Circ. 59, 1, 1973
Cou1974a	Ma -	Couteau, P.	1974A&AS...15..253C
Cou1974a		A&AS 15, 253, 1974
Cou1974b	orb -	Couteau, P.	1974IAUDS..62....1C
Cou1974b		Inf. Circ. 62, 1, 1974
Cou1975a	Ma j	Couteau, P.	1975A&AS...20..379C
Cou1975a		A&AS 20, 379, 1975
Cou1975b	Ma j	Couteau, P.	1975A&AS...20..391C
Cou1975b		A&AS 20, 391, 1975
Cou1975c	orb -	Couteau, P.	1975A&AS...20..411C
Cou1975c		A&AS 20, 411, 1975
Cou1976a	Ma -	Couteau, P.	1976A&AS...24..495C
Cou1976a		A&AS 24, 495, 1976
Cou1976b	Ma -	Couteau, P.	1976A&AS...29..249C
Cou1976b		A&AS 29, 249, 1976
Cou1976c	orb -	Couteau, P.	1976IAUDS..70....1C
Cou1976c		Inf. Circ. 70, 1, 1976
Cou1979a	Ma j	Couteau, P.	1979A&AS...35..197C
Cou1979a		A&AS 35, 197, 1979
Cou1979b	Ma j	Couteau, P.	1979A&AS...36...11C
Cou1979b		A&AS 36, 11, 1979
Cou1981a	Ma -	Couteau, P.	1981A&AS...43...79C
Cou1981a		A&AS 43, 79, 1981
Cou1981b	orb -	Couteau. P.	1981IAUDS..83....1C
Cou1981b		Inf. Circ. 83, 1, 1981
Cou1982a	Ma -	Couteau, P.	1982A&AS...48..443C
Cou1982a		A&AS 48, 443, 1982
Cou1982b	Ma j	Couteau, P.	1982A&AS...50...49C
Cou1982b		A&AS 50, 49, 1982
Cou1982c	orb -	Couteau, P.	1982IAUDS..86....1C
Cou1982c		Inf. Circ. 86, 1, 1982
Cou1982d	orb -	Couteau, P. & Morel, P.J.	1982A&A...105..323C
Cou1982d		A&A 105, 323, 1982
Cou1983a	Ma -	Couteau, P.	1983A&AS...53..441C
Cou1983a		A&AS 53, 441, 1983
Cou1983b	orb -	Couteau, P.	1983IAUDS..90....1C
Cou1983b		Inf. Circ. 90, 1, 1983
Cou1983c	orb -	Couteau, P.	1983IAUDS..91R...1C
Cou1983c		Inf. Circ. 91, 1, 1983
Cou1984a	Ma j	Couteau, P.	1984PASP...96..174C
Cou1984a	+Mb	PASP 96, 174, 1984
Cou1984b	orb -	Couteau, P.	1984A&AS...57..171C
Cou1984b		A&AS 57, 171, 1984
Cou1984c	orb -	Couteau, P.	1984IAUDS..92....1C
Cou1984c		Inf. Circ. 92, 1, 1984
Cou1984d	orb -	Couteau, P.	1984IAUDS..94....1C
Cou1984d		Inf. Circ. 94, 1, 1984
Cou1985a	Ma j	Couteau, P.	1985A&AS...60..237C
Cou1985a		A&AS 60, 237, 1985
Cou1985b	Ma j	Couteau, P.	1985A&AS...60..241C
Cou1985b		A&AS 60, 241, 1985
Cou1985c	orb -	Couteau, P.	1985IAUDS..95....1C
Cou1985c		Inf. Circ. 95, 1, 1985
Cou1985d	orb -	Couteau, P.	1985IAUDS..97....1C
Cou1985d		Inf. Circ. 97, 1, 1985
Cou1986a	orb -	Couteau, P.	1986IAUDS..98....1C
Cou1986a		Inf. Circ. 98, 1, 1986
Cou1986b	orb -	Couteau, P.	1986A&AS...65..505C
Cou1986b		A&AS 65, 505, 1986
Cou1987a	Ma -	Couteau, P.	1987A&AS...67...13C
Cou1987a		A&AS 67, 13, 1987
Cou1987b	Ma j	Couteau, P.	1987A&AS...70..193C
Cou1987b	+Mb	A&AS 70, 193, 1987
Cou1987c	orb -	Couteau, P.	1987A&AS...71..569C
Cou1987c		A&AS 71, 569, 1987
Cou1987d	orb -	Couteau, P.	1987IAUDS.101....1C
Cou1987d		Inf. Circ. 101, 1, 1987
Cou1987e	orb -	Couteau, P.	1987IAUDS.102....1C
Cou1987e		Inf. Circ. 102, 1, 1987
Cou1988a	Mb j	Couteau, P. (Couteau & Ling)	1988A&AS...73..449C
Cou1988a		A&AS 73, 449, 1988
Cou1988b	Ma -	Couteau, P.	1988A&AS...75..163C
Cou1988b		A&AS 75, 163, 1988
Cou1988c	orb -	Couteau, P.	1988IAUDS.104....1C
Cou1988c		Inf. Circ. 104, 1, 1988
Cou1988d	orb -	Couteau, P.	1988IAUDS.105....1C
Cou1988d		Inf. Circ. 105, 1, 1988
Cou1989a	Mb j	Couteau, P. (Couteau et al.)	1989A&AS...78..483C
Cou1989a		A&AS 78, 483, 1989
Cou1989b	Ma j	Couteau, P.	1989A&AS...79..385C
Cou1989b	+Mb	A&AS 79, 385, 1989
Cou1989c	orb -	Couteau, P.	1989A&AS...80..373C
Cou1989c		A&AS 80, 373, 1989
Cou1989d	orb -	Couteau, P.	1989IAUDS.107....1C
Cou1989d		Inf. Circ. 107, 1, 1989
Cou1989e	orb -	Couteau, P.	1989IAUDS.108....1C
Cou1989e		Inf. Circ. 108, 1, 1989
Cou1990a	orb -	Couteau, P.	1990IAUDS.111....1C
Cou1990a		Inf. Circ. 111, 1, 1990
Cou1990b	orb -	Couteau, P.	1990IAUDS.112....1C
Cou1990b		Inf. Circ. 112, 1, 1990
Cou1990c	Ma j	Couteau, P.	1990A&AS...83..331C
Cou1990c	+Mb	A&AS 83, 331, 1990
Cou1991a	Ma j	Couteau, P. (Couteau & Ling)	1991A&AS...88..497C
Cou1991a	+Mb	A&AS 88, 497, 1991
Cou1991b	orb -	Couteau, P.	1991IAUDS.113Q...1C
Cou1991b		Inf. Circ. 113, 1, 1991
Cou1992	Ma j	Couteau, P. (Ling & Couteau)	1992A&AS...95..423C
Cou1992	+Mb	A&AS 95, 423, 1992
Cou1993a	Ma -	Couteau, P.	1993A&AS...97..511C
Cou1993a		A&AS 97, 511, 1993
Cou1993b	orb -	Couteau, P.	1993IAUDS.119....2C
Cou1993b		Inf. Circ. 119, 2, 1993
Cou1993c	orb -	Couteau, P.	1993IAUDS.120....2C
Cou1993c		Inf. Circ. 120, 2, 1993
Cou1993d	Ma j	Couteau, P. (Couteau et al.)	1993A&AS..100..305C
Cou1993d		A&AS 100, 305, 1993
Cou1994	Ma j	Couteau, P. (Couteau & Gili)	1994A&AS..106..377C
Cou1994		A&AS 106, 377, 1994
Cou1996	orb -	Couteau, P.	1996IAUDS.128....1C
Cou1996		Inf. Circ. 128, 1, 1996
Cou1997a	orb -	Couteau, P.	1997IAUDS.131....1C
Cou1997a		Inf. Circ. 131, 1, 1997
Cou1997b	Ma j	Couteau, P.	1997A&AS..126....1C
Cou1997b		A&AS 126, 1, 1997
Cou1999a	Ma -	Couteau, P.	1999IAUDS.138....2C
Cou1999a		Inf. Circ. 138, 2, 1999
Cou1999b	orb -	Couteau, P.	.
Cou1999b		Cat. de 2700 Etoiles Doubles "COU", 1999 Obs. de la Cote d'Azur, 3rd ed.
Cou2002	Ma j	Couteau, P.	.
Cou2002		Updated electronic version of Couteau 2700 Cat. (Cou1999b)
Cou2002		(all measures prior to 2000.5 also in Cou2002b)
Cou2002b	Ma j	Couteau, P.	2002O&T....55....2C
Cou2002b		Obs. et Travaux 55, 2, 2002 (most measures also in Cou2002)
Kpp2015	C j	Knapp, W.	2015JDSO...11..384K
Kpp2015		JDSO 11, 384, 2015
Kpp2015b	C j	Knapp, W.	2015JDSO...11..125K
Kpp2015b		JDSO 11, 125, 2015
Kpp2015c	C j	Knapp, W. & Thuemen, C.	2015JDSO...11..125K
Kpp2015c		JDSO 11, 139, 2015
Kpp2015d	C -	Knapp, W., Nanson, J. & Thuemen, C.	2015JDSO...11..154K
Kpp2015d		JDSO 11, 154, 2015
Kpp2015e	C j	Knapp, W., Nanson, J. & Smith, S.C.	2015JDSO...11..390K
Kpp2015e		JDSO 11, 390, 2015
Kpp2015f	C j	Knapp, W., Thurmen, C. & Gould, R.	2015JDSO...11..418K
Kpp2015f		JDSO 11, 418, 2015
Kpp2016a	C j	Knapp, W.R.A., Nanson, J. & Thueman, C.	2016JDSO...12..107K
Kpp2016a		JDSO 12, 107, 2016
Kpp2016b	C j	Knapp, W.R.A., Nanson, J. & Smitch, S.C.	2016JDSO...12..111K
Kpp2016b		JDSO 12, 111, 2016
Kpp2016c	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..128K
Kpp2016c		JDSO 12, 128, 2016
Kpp2016d	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..168K
Kpp2016d		JDSO 12, 168, 2016
Kpp2016e	C j	Knapp, W.R.A.	2016JDSO...12..180K
Kpp2016e		JDSO 12, 180, 2016
Kpp2016f	C j	Knapp, W.R.A. & Thueman, C.	2016JDSO...12..184K
Kpp2016f		JDSO 12, 184, 2016
Kpp2016g	C j	Knapp, W.R.A.	2016JDSO...12..327K
Kpp2016g		JDSO 12, 327, 2016
Kpp2016h	C j	Knapp, W.R.A. & Thueman, C.	2016JDSO...12..347K
Kpp2016h		JDSO 12, 347, 2016
Kpp2016i	C j	Knapp, W.R.A.	2016JDSO...12..351K
Kpp2016i		JDSO 12, 351, 2016
Kpp2016j	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..361K
Kpp2016j		JDSO 12, 361, 2016
Kpp2016k	C j	Knapp, W.R.A.	2016JDSO...12..420K
Kpp2016k		JDSO 12, 420, 2016
Kpp2016l	C j	Knapp, W.R.A. & Gould, R.	2016JDSO...12..427K
Kpp2016l	+V	JDSO 12, 427, 2016
Kpp2016m	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..474K
Kpp2016m		JDSO 12, 474, 2016
Kpp2016n	C j	Knapp, W.R.A.	.
Kpp2016n		private comm.
Kpp2016o	C j	Knapp, W.R.A.	2016JDSO...12..507K
Kpp2016o		JDSO 12, 507, 2016
Kpp2016p	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..519K
Kpp2016p		JDSO 12, 519, 2016
Kpp2016q	C j	Knapp, W.R.A. & McPhee, M.	2016JDSO...12..541K
Kpp2016q		JDSO 12, 541, 2016
Kpp2016r	C j	Knapp, W.R.A.	2016JDSO...12..589K
Kpp2016r		JDSO 12, 589, 2016
Kpp2017a	C -	Knapp, W.R.A.	2017JDSO...13...10K
Kpp2017a		JDSO 13, 10, 2017
Kpp2017b	C j	Knapp, W.R.A. & Thueman, C.	2017JDSO...13...25K
Kpp2017b		JDSO 13, 25, 2017
Kpp2017c	-	Knapp, W.R.A. & Nanson, J.	2017JDSO...13...31K
Kpp2017c		JDSO 13, 31, 2017
Kpp2017d	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13...75K
Kpp2017d		JDSO 13, 75, 2017
Kpp2017e	Es j	Knapp, W.R.A.	2017JDSO...13...87K
Kpp2017e		JDSO 13, 87, 2017
Kpp2017f	C j	Knapp, W.R.A.	2017JDSO...13..133K
Kpp2017f	+V	JDSO 13, 133, 2017
Kpp2017g	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..140K
Kpp2017g	+Pp	JDSO 13, 140, 2017
Kpp2017g	+E+
Kpp2017g	+Hw
Kpp2017h	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..174K
Kpp2017h		JDSO 13, 174, 2017
Kpp2017i	C j	Knapp, W.R.A.	2017JDSO...13..257K
Kpp2017i	+E+	JDSO 13, 257, 2017
Kpp2017i	+Hg
Kpp2017j	C j	Knapp, W.R.A.	...................
Kpp2017j	+Hg	Webb Soc., Double Star Circ. 25, 21, 2017
Kpp2017k	C j	Knapp, W.R.A.	2017JDSO...13..363K
Kpp2017k	+E+	JDSO 13, 363, 2017
Kpp2017k	+Hg
Kpp2017l	C j	Knapp, W.R.A.	2017JDSO...13..419K
Kpp2017l	+Er	JDSO 13, 419, 2017
Kpp2017l	+Hg
Kpp2017m	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..447K
Kpp2017m	+Pp	JDSO 13, 447, 2017
Kpp2017m	+E+
Kpp2017m	+Hw
Kpp2017n	C j	Knapp, W.R.A.	2017JDSO...13..475K
Kpp2017n	+E+	JDSO 13, 475, 2017
Kpp2017n	+Hg
Kpp2017o	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..538K
Kpp2017o	+Pp	JDSO 13, 538, 2017
Kpp2017o	+E+
Kpp2017o	+Hw
Kpp2017p	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..553K
Kpp2017p	+Pp	JDSO 13, 553, 2017
Kpp2017p	+E+
Kpp2017p	+Hw
Kpp2017q	E+ j	Knapp, W.R.A.	2017JDSO...13..580K
Kpp2017q	+Hg	JDSO 13, 580, 2017
Kpp2017r	E+ j	Knapp, W.R.A.	2017JDSO...13..615K
Kpp2017r	+Hg	JDSO 13, 615, 2017
Kpp2018a	C j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14....3K
Kpp2018a	+E+	JDSO 14, 3, 2018
Kpp2018b	E j	Knapp, W.R.A.	2018JDSO...14...43K
Kpp2018b		JDSO 14, 43, 2018
Kpp2018c	C j	Knapp, W.R.A.	2018JDSO...14...59K
Kpp2018c		JDSO 14, 59, 2018
Kpp2018d	C+ j	Knapp, W.R.A.	2018JDSO...14..147K
Kpp2018d	+E+	JDSO 14, 147, 2018
Kpp2018d	+H
Kpp2018e	C+ j	Knapp, W.R.A.	2018JDSO...14..344K
Kpp2018e	+E+	JDSO 14, 344, 2018	.
Kpp2018e	+H		.
Kpp2018f	H+ j	Knapp, W.R.A.	2018JDSO...14..357K
Kpp2018f	+E	JDSO 14, 357, 2018	.
Kpp2018g	C j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..367K
Kpp2018g	+P+	JDSO 14, 367, 2018	.
Kpp2018g	+E+		.
Kpp2018g	+H		.
Kpp2018h	H j	Knapp, W.R.A. & Bryant, III, T.V.	2018JDSO...14..389K
Kpp2018h		JDSO 14, 389, 2018	.
Kpp2018i	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..404K
Kpp2018i	+Hg	JDSO 14, 404, 2018	.
Kpp2018i		Note: Systems with CPM rating of "CCC" given "U" code in WDS.
Kpp2018j	E+ j	Knapp, W.R.A.	2018JDSO...14..415K
Kpp2018j	+Hg	JDSO 14, 404, 2018	.
Kpp2018j		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018k	H j	Knapp, W.R.A. & Bryant, III, T.V.	2018JDSO...14..427K
Kpp2018k		JDSO 14, 427, 2018	.
Kpp2018k		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018k		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018l	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..443K
Kpp2018l	+Hg	JDSO 14, 443, 2018	.
Kpp2018l		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018m	Hg j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..503K
Kpp2018m		JDSO 14, 503, 2018	.
Kpp2018n	E+ j	Knapp, W.R.A.	2018JDSO...14..546K
Kpp2018n	+Hg	JDSO 14, 546, 2018	.
Kpp2018n		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018n		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018o	E+ j	Knapp, W.R.A.	2018JDSO...14..587K
Kpp2018o	+Hg	JDSO 14, 587, 2018	.
Kpp2018o		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018o		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018p	C j	Knapp, W.R.A.	...................
Kpp2018p	+Hg	Webb Soc., Double Star Circ. 26, 49, 2018
Kpp2018q	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..609K
Kpp2018q	+Hg	JDSO 14, 609, 2018	.
Kpp2018q		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018q		Note: Measures by UCAC already matched and not added.
Kpp2018r	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..667K
Kpp2018r	+Hg+	JDSO 14, 667, 2018	.
Kpp2018r	+E	Note: Measures by UCAC and 2MASS not added.
Kpp2019a	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15...21K
Kpp2019a		JDSO 15, 21, 2019
Kpp2019a		Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019a		Note: Eu and E2 measures not added.
Kpp2019b	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15...42K
Kpp2019b		JDSO 15, 42, 2019
Kpp2019b		Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019b		Note: Eu and E2 measures not added.
Kpp2019c	Hg+ u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..130K
Kpp2019c	+C+	JDSO 15, 130, 2019
Kpp2019c	+E	Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019c		Note: Eu and E2 measures not added, if Eg already added, not added again.
Kpp2019d	Hg u	Knapp, W.R.A.	2019JDSO...15..178K
Kpp2019d		JDSO 15, 178, 2019
Kpp2019e	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..242K
Kpp2019e		JDSO 15, 242, 2019
Kpp2019e		Note: If DR2 measure already published, not added here.
Kpp2019f	Hg j	Knapp, W.R.A.	...................
Kpp2019f		Webb Soc., Double Star Circ. 27, 30, 2019
Kpp2019f		Note: Tables added thusfar: Table 1, 2, 3, 6, 7
Kpp2019g	Hg j	Knapp, W.R.A.	...................
Kpp2019g		Webb Soc., Double Star Circ. 27, 55, 2019
Kpp2019g		Note: Not added yet.
Kpp2019h	Hg j	Knapp, W.R.A.	...................
Kpp2019h		Webb Soc., Double Star Circ. 27, 73, 2019
Kpp2019i	Hg+ u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..322K
Kpp2019i	+C	JDSO 15, 322, 2019
Kpp2019j	Hg j	Knapp, W.R.A.	...................
Kpp2019j		Webb Soc., Double Star Circ. 27, 30, 2019
Kpp2019j		Note: Also pages 55 & 73. Separate file sent 2 September 2019 which includes Kpp2	019f & Kpp2019h
Kpp2019k	Hg u	Knapp, W.R.A.	2019JDSO...15..530K
Kpp2019k		JDSO 15, 530, 2019
Kpp2019l	Hg+ u	Knapp, W.R.A.	2019JDSO...15..544K
Kpp2019l	+C	JDSO 15, 544, 2019
Kpp2019m	Hg u	Knapp, W.R.A.	2019JDSO...15..559K
Kpp2019m		JDSO 15, 559, 2019
Kpp2019n	not u	Knapp, W.R.A.	...................
Kpp2019n		private communication, 2019 (31 October email)
Kpp2019o	Hg u	Knapp, W.R.A.	2019JDSO...15..327K
Kpp2019o		JDSO 15, 327, 2019
Kpp2019p	Hg u	Knapp, W.R.A.	.
Kpp2019p		private communication, 2019
Kpp2020a	C+ j	Knapp, W.R.A.	2020JDSO...16...17K
Kpp2020a	+Hg	JDSO 16, 17, 2020
Kpp2020a		DR2 measures of pairs already added to WDS not added.
Kpp2020b	C+ -	Knapp, W.R.A.	2020JDSO...16...23K
Kpp2020b	+Hg	JDSO 16, 23, 2020
Kpp2020b		DR2 measures of pairs already added to WDS not added.
Kpp2020c	Hg -	Knapp, W.R.A.	2020JDSO...16...48K
Kpp2020c		JDSO 16, 48, 2020
Kpp2020c		DR2 measures of pairs already added to WDS not added.
Kpp2020d	Hg -	Knapp, W.R.A.	2020JDSO...16...48K
Kpp2020d		JDSO 16, 48, 2020
Kpp2020d		pair already in WDS as KPP4252. No data added.
Kpp2020e	Hg j	Knapp, W.R.A.	.
Kpp2020e		Webb Soc., Double Star Circ. 28, 64, 2020
Kpp2020f	Hg+ j	Knapp, W.R.A.	2020JDSO...16..229K
Kpp2020f	+C	JDSO 16, 229, 2020
Kpp2020f	+orb
Kpp2020g	C+	Knapp, W.R.A.	2020JDSO...16..352K
Kpp2020g	+Hg	JDSO 16, 352, 2020
Kpp2021a	C j	Knapp, W.R.A.	.
Kpp2021a		Webb Soc., Double Star Circ. 29, 49, 2021
Kpp2021b	- j	Knapp, W.R.A.	2021JDSO...17..296K
Kpp2021b		JDSO 17, 296, 2021
Kpp2022a	C j	Knapp, W.R.A.	2022JDSO...18..160K
Kpp2022a	+Hg	JDSO 18, 160, 2022
Kpp2022b	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022b		private communication, 2022 (4 June email)
Kpp2022c	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022c		private communication, 2022 (29 August email)
Kpp2022d	C j	Knapp, W.R.A.	.
Kpp2022d		Webb Soc., Double Star Circ. 30, 16, 2022
Kpp2022e	Hg u	Knapp, W.R.A. & Gould, R.	.
Kpp2022e		private communication, 2022 (13 September email)
Kpp2022f	Hg u	Knapp, W.R.A. & Gould, R.	.
Kpp2022f		private communication, 2022 (8 October email)
Kpp2022g	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022g		private communication, 2022 (21 October email)
Kpp2023a	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023a		private communication, 2023 (23 March email)
Kpp2023b	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023b		private communication, 2023 (25 April email)
Kpp2023c	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023c		private communication, 2023 (28 June email)
Kpp2023d	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023d		private communication, 2023 (05 July email)
Kpp2023e	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023e		private communication, 2023 (10 July email)
Kpp2023f	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023f		private communication, 2023 (14 July email)
Kpp2023g	C j	Knapp, W.R.A.	.
Kpp2023g		Webb Soc., Double Star Circ. 31, 21, 2023
Kpp2023h	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023h		private communication, 2023 (25 July email)
Kpp2023i	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023i		private communication, 2023 (28 July email)
Kpp2023j	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023j		private communication, 2023 (09 August email)
Kpp2023k	C j	Knapp, W.R.A. .
Kpp2023k		Webb Soc., Double Star Circ. 31, 21, 2023
Kpp2023l	C j	Knapp, W.R.A. & Gould, R.	.
Kpp2023l		Webb Soc., Double Star Circ. 31, 38, 2023

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20412+2703	COU1038	AB	2015	19	90	1.2	9.77	10.23	G5		204109.73+270251.7
20412+2703	COU1038	AB	2016	21	90	1.2	9.77	10.23	G5		204109.73+270251.7

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

WDS 20412+2703 COU 1038 AB (HD 340803) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20412+2703 COU 1038 AB (HD 340803) : MEASURES

No records found.

WDS 20412+2703 (HD 340803) : 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 20412+2703 (HD 340803) : ALADIN DSS IMAGE @ 20^h 41^m 09.73^s +27° 02' 51.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20412+2703 COU 1038 AB (HD 340803) : 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		20412+2703	COU1038	AB	90	1.2
Show		20412+2703	KPP4398	AC	215	43.4
Show		20425+2704	TDT2484		199	0.5	19
Show		20393+2714	TDT2454	Ba,Bb	46	0.9	27
Show		20393+2714	HJ 1557	AB	207	13.1	27
Show		20430+2649	BUP 216		97	65.2	29
Show		20391+2710	CVR 228		320	43.3	29
Show		20435+2709	TDT2500		353	2.2	32
Show		20387+2701	TDT2447		164	0.6	33
Show		20429+2732	J 513		163	4.0	39
Show		20447+2703	TDT2515		278	0.4	48
Show		20411+2751	TDT2471		2	0.2	49
Show		20391+2624	J 570		82	4.9	49
Show		20373+2703	TDS1086		315	1.7	51
Show		20399+2753	MLB 613		143	8.2	53
Show		20433+2616	COU1039		237	1.0	55
Show		20449+2640	STJ 56		251	0.8	56
Show		20429+2754	MLB 709		323	2.7	56
Show		20367+2649	J 3097		64	5.7	63
Show		20409+2553	J 3106		355	4.8	70
Show		20384+2604	COU 522		245	5.0	70
Show		20461+2638	BRT 217		80	4.3	71
Show		20394+2554	TDT2455		28	1.3	73
Show		20399+2549	J 3105		170	5.7	74
Show		20382+2806	MLB 612		168	6.6	75
Show		20461+2740	TDT2527		94	2.0	76
Show		20444+2558	COU 726		273	1.2	78
Show		20463+2740	MLB 712	AB	43	8.5	79
Show		20463+2740	MLB 712	AC	126	24.1	79
Show		20447+2601	HEI 182		207	0.9	79
Show		20463+2740	BRT3362	CD	84	6.3	79
Show		20433+2549	BUP 217	AB	285	17.2	79
Show		20433+2549	BUP 217	AC	208	39.7	79
Show		20433+2549	BUP 217	AD	102	387.7	79
Show		20433+2549	BUP 217	AE	286	442.7	79
Show		20357+2741	BRT3359		268	4.3	83
Show		20355+2739	COU1171		103	0.5	84
Show		20359+2756	TDT2406		170	0.5	88
Show		20357+2754	HJ 1544		226	8.7	89
Show		20456+2553	J 1074		299	2.3	90
Show		20434+2536	HO 138	CD	6	3.5	91
Show		20480+2704	COU 826		123	1.3	91
Show		20343+2659	SMH 11		80	15.9	92
Show		20434+2536	HO 138	AB	343	3.0	92
Show		20434+2536	HO 138	AC	304	127.9	92
Show		20400+2835	TDS1088		153	0.9	94
Show		20448+2825	AG 411		20	2.9	96
Show		20481+2727	BU 66		169	1.1	96
Show		20423+2837	HJ 1561		275	9.4	97
Show		20350+2754	FOX 95		195	4.1	97
Show		20337+2659	HJ 1536	AB	99	16.3	99

WDS 20412+2703 : COMPONENTS

	A	B
B	pa=90.4° sep=1.03"
C	pa=211.8° sep=41.96"	pa=212.9° sep=42.50"

20412+2703 A

Name	HD 340803	Coord arcsec 2000	204109.73+270251.7	Mag	9.77	Spectral class	G5 (yellow)
PmRA	25.00	PmDE	-101.0	SAO	89006	Tycho2	2178-01157-1
HD	340803	DM	BD+26 3958

Tycho2

Tycho2	2178-01157-1	Pflag	P	RAmdeg	310.29055504	DEmdeg	27.04770361
PmRA	24.6	PmDE	-101.2	E RAmdeg	15	E DEmdeg	14
E pmRA	1.6	E pmDE	1.5	EpRAm	1990.59	EpDEm	1990.52
Num	6	Q RAmdeg	0.7	Q DEmdeg	0.6	Q pmRA	0.7
Q pmDE	0.5	BTmag	10.850	E BTmag	0.033	VTmag	9.766
E VTmag	0.019	Prox	10	TYC	T	HIP
CCDM		RAdeg	310.29038806	DEdeg	27.04790444	EpRA 1990	1.84
EpDE 1990	1.84	E RAdeg	14.5	E DEdeg	13.8	Posflg	D
Corr	0.0

SAO

SAO	89006	DelFlag		RA1950		PmRA1950	-0.0008
DE1950		PmDE1950	-0.136	Vmag	9.1	SpType	G5
Double code		Source	34	CatNum	11616	DM	BD+26 3958
DMcomp		BDsup		HD	340803	M HD	0
GC		RA1950rad	5.40628935	DE1950rad	0.46896867	PmRA2000	-0.0007
PmDE2000	-0.14

CCDM

Ccdm	20412+2703	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.30	DDEs	-8.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.8	Sp	G5	PmNote	*
PmRA	33	PmDE	-101	Dm number	+26 3958	Cat1	BD
Name2	+26 2354	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20369N2642A
HIC

20412+2703 B

Coord arcsec 2000	204109.81+270251.7		Mag	10.23		PmRA	25.00		PmDE	-101.0
Tycho2	2178-01157-2		Calc delta mag	0.46		Calc coord	yes

Tycho2

Tycho2	2178-01157-2	Pflag	P	RAmdeg	310.29055504	DEmdeg	27.04770361
PmRA	24.6	PmDE	-101.2	E RAmdeg	15	E DEmdeg	14
E pmRA	1.6	E pmDE	1.5	EpRAm	1990.59	EpDEm	1990.52
Num	6	Q RAmdeg	0.7	Q DEmdeg	0.6	Q pmRA	0.7
Q pmDE	0.5	BTmag	11.281	E BTmag	0.045	VTmag	10.230
E VTmag	0.026	Prox	10	TYC	T	HIP
CCDM		RAdeg	310.29069833	DEdeg	27.04798944	EpRA 1990	1.84
EpDE 1990	1.84	E RAdeg	20.9	E DEdeg	20.1	Posflg	D
Corr	0.0

CCDM

Ccdm	20412+2703	RComp		Comp	B	Note1
Note2		Discov num	COU1038	DRAs		DDEs
R dRAs		Year	1973	Theta	57	Rho	0.8
Obs	1	Vmag	9.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20369N2642B
HIC

20412+2703 C

Coord arcsec 2000	204108.08+270216.0		Mag	14.9		PmRA	23.00		PmDE	-103.0
Calc delta mag	5.13		Calc coord	yes