20437+3727 COU 2291

 
 
20h 43m 40.10s +37° 27' 00.5" P.A. 228.00 sep 1.0 mag 11.20,12.40
 
 
Coord 2000 20437+3727 Discov num COU2291 Comp Coord arcsec 2000 20 43 40.10 +37 27 00.5
Date first 1985 Date last 2015 Obs 6
Pa first 224 Pa last 228.3 P.A. Now (θ) 228.3°
Sep first 0.9 Sep last 0.997 Sep. Now (ρ) 0.997"
Mag pri 11.20 Mag sec 12.40 delta mag (ΔM) 1.2 Spectral class
Pri motion ra -005 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2699-00691-1 Gaia DR2 2063221681053683840
 
 
WDS 20437+3727 COU 2291 : 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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20437+3727 COU2291 1985 1 224 0.9 10.50 11.20
20437+3727 COU2291 2008 3 227 1.0 10.50 11.20
20437+3727 COU2291 2015 4 228 1.0 11.20 12.40 204340.10+372700.5

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WDS 20437+3727 COU 2291 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20437+3727 COU 2291 : MEASURES
 
 
No records found.

 
 
WDS 20437+3727 : VIRTUAL EYEPIECE
 
 

20437+3727 COU2291A mag 11.2 20437+3727 COU2291B sep 0.9 P.A. 221.70 mag 12.4 virtual eyepiece
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Radius:
Components only
 
 
WDS 20437+3727 : ALADIN DSS IMAGE @ 20h 43m 40.10s +37° 27' 00.5"
 
 
 
 
WDS 20437+3727 COU 2291 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20437+3727  COU2291 distance=0' 20447+3739  SEI1232 distance=18' 20422+3726  SEI1223 distance=18' 20447+3714  SEI1233 distance=19' 20432+3749  ES 2122AB distance=24' 20432+3749  FYM 323AC distance=24' 20419+3711  SEI1220 distance=26' 20458+3715  TDT2522 distance=29' 20455+3706  FIO   1 distance=31' 20419+3752  TDT2478 distance=33' 20464+3747  SEI1244 distance=38' 20458+3658  CRB   6 distance=39' 20468+3730  ALI 674 distance=39' 20450+3651  ES 2513 distance=41' 20472+3730  J  1210 distance=43' 20454+3651  SEI1238 distance=43' 20410+3658  TDT2469 distance=44' 20431+3645  SEI1227 distance=44' 20461+3653  ES 2514 distance=45' 20412+3801  ES 2512 distance=46' 20457+3647  AG  265 distance=48' 20408+3802  ALI 672 distance=49' 20404+3758  SEI1212AB distance=50' 20404+3758  FYM 327AC distance=50' 20463+3646  COU2220Aa,Ab distance=51' 20463+3646  ES 2515AB distance=51' 20399+3703  ES  248AB distance=51' 20399+3703  ES  248AC distance=51' 20396+3710  ES 2194 distance=52' 20414+3644  SEI1215 distance=52' 20423+3637  SEI1224 distance=54' 20468+3648  STJ  73 distance=55' 20470+3806  TDT2534 distance=56' 20416+3637  SEI1218 distance=56' 20391+3717  SEI1207 distance=56' 20397+3658  A  1432 distance=57' 20415+3818  TDT2473 distance=57' 20415+3635  SEI1216 distance=59' 20390+3702  COU2219 distance=62' 20391+3759  SEI1208 distance=63' 20450+3827  ALI 947 distance=64' 20397+3644  SEI1209 distance=64' 20461+3824  ALI 949 distance=64' 20420+3827  AG  263 distance=64' 20476+3812  SEI1250 distance=66' 20390+3804  SEI1204 distance=66' 20436+3834  BRT2232 distance=67' 20382+3742  SEI1201 distance=67' 20462+3628  TDT2528 distance=67' 20488+3754  TDT2557 distance=67' 20379+3725  SEI1196 distance=69' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20437+3727 COU2291 228 1.0
Show 20447+3739 SEI1232 240 28.9 18
Show 20422+3726 SEI1223 142 10.3 18
Show 20447+3714 SEI1233 73 5.3 19
Show 20432+3749 ES 2122 AB 71 5.4 24
Show 20432+3749 FYM 323 AC 142 20.4 24
Show 20419+3711 SEI1220 161 13.0 26
Show 20458+3715 TDT2522 89 0.5 29
Show 20455+3706 FIO 1 319 4.9 31
Show 20419+3752 TDT2478 339 1.9 33
Show 20464+3747 SEI1244 149 22.5 38
Show 20458+3658 CRB 6 154 10.9 39
Show 20468+3730 ALI 674 328 13.0 39
Show 20450+3651 ES 2513 275 6.4 41
Show 20472+3730 J 1210 247 3.9 43
Show 20454+3651 SEI1238 123 8.1 43
Show 20410+3658 TDT2469 353 2.9 44
Show 20431+3645 SEI1227 168 15.0 44
Show 20461+3653 ES 2514 100 2.9 45
Show 20412+3801 ES 2512 327 6.9 46
Show 20457+3647 AG 265 207 6.8 48
Show 20408+3802 ALI 672 167 12.4 49
Show 20404+3758 SEI1212 AB 195 18.9 50
Show 20404+3758 FYM 327 AC 30 14.0 50
Show 20463+3646 COU2220 Aa,Ab 299 0.7 51
Show 20463+3646 ES 2515 AB 175 6.8 51
Show 20399+3703 ES 248 AB 3 4.3 51
Show 20399+3703 ES 248 AC 66 10.6 51
Show 20396+3710 ES 2194 289 7.2 52
Show 20414+3644 SEI1215 135 28.8 52
Show 20423+3637 SEI1224 161 25.2 54
Show 20468+3648 STJ 73 231 0.9 55
Show 20470+3806 TDT2534 138 0.6 56
Show 20416+3637 SEI1218 226 12.8 56
Show 20391+3717 SEI1207 121 27.0 56
Show 20397+3658 A 1432 117 0.4 57
Show 20415+3818 TDT2473 169 0.6 57
Show 20415+3635 SEI1216 117 11.8 59
Show 20390+3702 COU2219 43 0.9 62
Show 20391+3759 SEI1208 11 7.5 63
Show 20450+3827 ALI 947 69 6.9 64
Show 20397+3644 SEI1209 15 21.4 64
Show 20461+3824 ALI 949 313 11.9 64
Show 20420+3827 AG 263 70 1.6 64
Show 20476+3812 SEI1250 18 17.3 66
Show 20390+3804 SEI1204 291 7.8 66
Show 20436+3834 BRT2232 269 5.8 67
Show 20382+3742 SEI1201 350 22.8 67
Show 20462+3628 TDT2528 4 1.9 67
Show 20488+3754 TDT2557 237 0.7 67
Show 20379+3725 SEI1196 336 17.7 69

 
 
WDS 20437+3727 : COMPONENTS
 
 
  A
B pa=221.7°
sep=0.89"
 
 
20437+3727 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204340.10+372700.5 Mag 11.2 PmRA -5.00
PmDE -9.0 Tycho2 2699-00691-1
Tycho2
Tycho2 2699-00691-1 Pflag RAmdeg 310.91706644 DEmdeg 37.45011844
PmRA -0.8 PmDE -7.9 E RAmdeg 30 E DEmdeg 28
E pmRA 1.6 E pmDE 1.6 EpRAm 1984.92 EpDEm 1984.84
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 11.464 E BTmag 0.056 VTmag 11.070
E VTmag 0.065 Prox 440 TYC T HIP
CCDM RAdeg 310.91707444 DEdeg 37.45013750 EpRA 1990 1.60
EpDE 1990 1.68 E RAdeg 38.2 E DEdeg 36.6 Posflg
Corr 0.1
 
 
20437+3727 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204340.05+372659.8 Mag 12.4 Calc delta mag 1.2
Calc coord yes