20463+3646 ES 2515 AB

Coord 2000	20463+3646		Discov num	ES 2515		Comp	AB		Coord arcsec 2000	20 46 17.71 +36 47 47.1
Date first	1931		Date last	2015		Obs	8
Pa first	169		Pa last	175.2		P.A. Now (θ)	175.2°
Sep first	6.6		Sep last	6.811		Sep. Now (ρ)	6.811"
Mag pri	10.92		Mag sec	13.20		delta mag (ΔM)	2.28		Spectral class
Pri motion ra	-003		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 46 18 +36 47 47	COU 2220 Aa,Ab	2016	2	299	0.7	11.40	11.50	0.10
Show			20 46 18 +36 47 47	ES 2515 AB	2015	8	175	6.8	10.92	13.20	2.28		<===

Triple system
2 estimated visually detectable stars in this system

Constellation

Cygnus

Tycho2

2699-01538-1

Gaia DR2

1870978261999216256

No records found.

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)
Es_1901	Mb -	Espin, T.E.	1901AN....155..321E
Es_1901		AN 155, 321, 1901 (ES 1 - 39)
Es_1902a	Ma -	Espin, T.E.	1902AN....158..241E
Es_1902a	+Mb	AN 158, 241, 1902 (ES 40 - 112)
Es_1902b	Mb -	Espin, T.E.	1902MNRAS..62..528E
Es_1902b		MNRAS 62, 528, 1902
Es_1902c	Mb j	Espin, T.E.	1902MNRAS..62..402E
Es_1902c		MNRAS 62, 402, 1902
Es_1903	Mb -	Espin, T.E.	1903MNRAS..63..172E
Es_1903		MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a	-	Espin, T.E.	1904MNRAS..64..238E
Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E
Es_1904b	Mb -	Espin, T.E.	1904MNRAS..64..675E
Es_1904b		MNRAS 64, 675, 1904
Es_1905	Mb -	Espin, T.E.	1905MNRAS..65..710E
Es_1905		MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a	Mb -	Espin, T.E.	1906MNRAS..66..141E
Es_1906a		MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b	Mb -	Espin, T.E.	1906MNRAS..66..430E
Es_1906b		MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C	Mb -	Espin, T.E.	1906QB821.B972.....
Es_1906C		cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D	Mb -	Espin, T.E.	1906MmRAS..56....1L
Es_1906D		cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a	Mb j	Espin, T.E.	1907MNRAS..67..190E
Es_1907a		MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b	Mb -	Espin, T.E.	1907MNRAS..67..495E
Es_1907b		MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a	Mb j	Espin, T.E.	1908MNRAS..68..202E
Es_1908a		MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b	Mb -	Espin, T.E.	1908MNRAS..68..523E
Es_1908b		MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c	-	Espin, T.E.	1908JRASC...2..248E
Es_1908c		JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909)	1909MNRAS..69..218E
Es_1909a	Mb j	Espin, T.E.	1909MNRAS..69..218E
Es_1909a		MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b	Mb j	Espin, T.E.	1909MNRAS..69..604E
Es_1909b		MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a	Mb -	Espin, T.E.	1910MNRAS..70..237E
Es_1910a		MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b	Mb -	Espin, T.E.	1910MNRAS..70..541E
Es_1910b		MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911	Mb -	Espin, T.E.	1911MNRAS..71..217E
Es_1911		MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912	Mb -	Espin, T.E.	1912MNRAS..72..191E
Es_1912		MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913	Mb j	Espin, T.E.	1913MNRAS..73..162E
Es_1913		MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914	Mb j	Espin, T.E.	1914MNRAS..74..244E
Es_1914		MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a	Mb -	Espin, T.E.	1915MNRAS..75..203E
Es_1915a		MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b	Mb -	Espin, T.E.	1915MNRAS..75..555E
Es_1915b		MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c	Mb -	Espin, T.E.	1915MNRAS..76..210E
Es_1915c		MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917	Mb -	Espin, T.E.	1917MNRAS..77..236E
Es_1917		MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918	Mb j	Espin, T.E.	1918MNRAS..78..189E
Es_1918		MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919	Mb -	Espin, T.E.	1919MNRAS..79..211E
Es_1919		MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920	Mb -	Espin, T.E.	1920MNRAS..80..329E
Es_1920		MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921	Mb j	Espin, T.E.	1921MNRAS..81..232E
Es_1921		MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922	Mb -	Espin, T.E.	1922MNRAS..82..187E
Es_1922		MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923	Mb -	Espin, T.E.	1923MNRAS..83..154E
Es_1923		MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924	Mb -	Espin, T.E.	1924MNRAS..84..162E
Es_1924		MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a	Mb -	Espin, T.E.	1925MNRAS..85..276E
Es_1925a		MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b	Mb -	Espin, T.E.	1925MNRAS..86...79E
Es_1925b		MNRAS 86, 79, 1925
Es_1926	Mb -	Espin, T.E.	1926MNRAS..86..131E
Es_1926		MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927	Mb -	Espin, T.E.	1927MNRAS..87..215E
Es_1927		MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928	Mb -	Espin, T.E.	1928MNRAS..88..185E
Es_1928		MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929	Mb -	Espin, T.E.	1929MNRAS..89..268E
Es_1929		MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930	Mb -	Espin, T.E.	1930MNRAS..90..317E
Es_1930		MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931	Mb -	Espin, T.E.	1931MNRAS..91..294E
Es_1931		MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a	Mb -	Espin, T.E.	1932MNRAS..92..214E
Es_1932a		MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B	Mb -	Espin, T.E.	1932QB821.A43......
Es_1932B		cited in ADS (Aitken Double Star Cat.), 1932
Es_1933	Mb -	Espin, T.E.	1933MNRAS..93..192E
Es_1933		MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A	Mb -	Espin, T.E.	1937AnLei..18....1S
Es_1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20463+3646	ES 2515	AB	1931	1	169	6.6	10.48	13.70			204616.97+364603.5
20463+3646	ES 2515	AB	2011	2	173	6.8	10.48	13.70			204616.97+364603.5
20463+3646	ES 2515	AB	2015	5	175	6.8	10.92	13.20			204617.71+364747.1

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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 20463+3646 COU2220 Aa,Ab 299 0.7 Show 20463+3646 ES 2515 AB 175 6.8 Show 20461+3653 ES 2514 100 2.9 6 Show 20468+3648 STJ 73 231 0.9 6 Show 20457+3647 AG 265 207 6.8 8 Show 20454+3651 SEI1238 123 8.1 11 Show 20458+3658 CRB 6 154 10.9 13 Show 20450+3651 ES 2513 275 6.4 17 Show 20462+3628 TDT2528 4 1.9 21 Show 20455+3706 FIO 1 319 4.9 21 Show 20474+3629 MCA 63 Aa,Ab 46 0.1 23 Show 20474+3629 STT 413 AB 1 0.9 23 Show 20474+3629 S 765 AC 106 82.8 23 Show 20474+3629 FYM 126 AF 119 52.0 23 Show 20474+3629 FYM 126 CD 112 9.4 24 Show 20474+3629 FYM 126 CE 207 40.1 24 Show 20458+3715 TDT2522 89 0.5 28 Show 20447+3714 SEI1233 73 5.3 32 Show 20491+3640 SEI1260 42 7.5 35 Show 20444+3617 GII 53 358 0.3 39 Show 20431+3645 SEI1227 168 15.0 40 Show 20468+3730 ALI 674 328 13.0 44 Show 20472+3730 J 1210 247 3.9 44 Show 20490+3619 COU1811 255 0.8 44 Show 20500+3640 TOB 199 109 18.8 46 Show 20460+3601 SEI1242 214 23.6 47 Show 20502+3642 SEI1270 211 23.1 48 Show 20485+3608 SEI1253 83 24.1 48 Show 20503+3645 TDT2568 174 2.4 48 Show 20423+3637 SEI1224 161 25.2 51 Show 20437+3727 COU2291 228 1.0 51 Show 20450+3600 ALI 204 307 11.5 51 Show 20435+3609 ES 2195 BC 91 1.8 52 Show 20435+3609 ES 2195 AB 4 20.7 52 Show 20505+3635 SEI1271 AB 27 14.9 52 Show 20505+3635 SEI1272 AC 185 20.4 52 Show 20501+3714 SEI1268 AB 123 27.3 53 Show 20501+3714 CLL 15 AC 20 48.5 53 Show 20447+3739 SEI1232 240 28.9 54 Show 20460+3554 TDT2525 70 0.6 54 Show 20508+3641 SEI1276 266 22.6 56 Show 20419+3711 SEI1220 161 13.0 58 Show 20416+3637 SEI1218 226 12.8 58 Show 20481+3554 SEI1252 115 17.3 58 Show 20465+3550 ES 2196 70 5.6 58 Show 20503+3615 TDT2569 55 0.4 59 Show 20464+3747 SEI1244 149 22.5 59 Show 20415+3635 SEI1216 117 11.8 59 Show 20512+3650 SEI1280 5 3.8 60 Show 20414+3644 SEI1215 135 28.8 62 Show 20506+3615 SEI1274 243 33.5 62

	A	Ab
Ab	pa=304.4° sep=0.56"
B	pa=176.2° sep=6.80"	pa=172.6° sep=7.16"

Coord arcsec 2000	204617.71+364747.1		Mag	10.92		PmRA	-3.00		PmDE	-5.0
Tycho2	2699-01538-1

Tycho2	2699-01538-1		Pflag			RAmdeg	311.57380897		DEmdeg	36.79643473
PmRA	-2.8		PmDE	-3.8		E RAmdeg	30		E DEmdeg	25
E pmRA	2.0		E pmDE	2.0		EpRAm	1987.62		EpDEm	1987.76
Num	5		Q RAmdeg	1.4		Q DEmdeg	2.2		Q pmRA	1.4
Q pmDE	2.1		BTmag	11.127		E BTmag	0.046		VTmag	10.919
E VTmag	0.057		Prox	789		TYC	T		HIP
CCDM			RAdeg	311.57381917		DEdeg	36.79645694		EpRA 1990	1.61
EpDE 1990	1.70		E RAdeg	33.1		E DEdeg	29.7		Posflg
Corr	0.0

Coord arcsec 2000

204617.67+364747.4

Mag

11.5

Calc delta mag

0.1

Calc coord

yes

Coord arcsec 2000

204617.75+364740.3

Mag

13.2

Calc delta mag

1.8

Calc coord

yes