20177+2025 J 2308 AC

 
 
20h 17m 44.53s +20° 25' 23.0" P.A. 284.00 sep 42.5 mag 8.30,14.00 Sp K2
 
 
Coord 2000 20177+2025 Discov num J  2308 Comp AC Coord arcsec 2000 20 17 44.53 +20 25 23.0
Date first 1999 Date last 2019 Obs 10
Pa first 284 Pa last 283.8 P.A. Now (θ) 283.8°
Sep first 42.4 Sep last 42.5 Sep. Now (ρ) 42.5"
Mag pri 8.30 Mag sec 14.00 delta mag (ΔM) 5.7 Spectral class K2 (yellow-orange)
Pri motion ra +009 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes U (Proper motion indicates non-physical)
This double is not physical.
 
 
20177+2025 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193079 88476 20 17 45 +20 25 23 COU 219 Aa,Ab 2013 14 109 0.4 8.50 9.80 1.30
Show 88476 20 17 45 +20 25 23 J 2308 AB 2019 11 283 37.0 8.30 15.50 7.20
Show 88476 20 17 45 +20 25 23 J 2308 AC 2019 10 284 42.5 8.30 14.00 5.70 <===
Show 88476 20 17 45 +20 25 23 BTG 4 AD 2015 8 170 33.8 8.30 13.50 5.20
Show 88476 20 17 45 +20 25 23 BTG 4 AE 2015 8 267 28.9 8.30 14.20 5.90
Show 20 17 42 +20 25 31 J 2308 BC 2019 10 297 5.7 15.50 14.00 1.50
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta SAO 88476 Tycho2 1639-00122-1 Gaia DR2 1828622703275056512
HD 193079
 
 
WDS 20177+2025 J 2308 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Btg2007 C u Bertoglio, A. 2007JDSO....3..128B
Btg2007 JDSO 3, 128, 2007
Btg2010 C u Bertoglio, A. 2010JDSO....6..116B
Btg2010 JDSO 6, 116, 2010
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)
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp 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
20177+2025 J 2308 AC 2007 1 284 42.6 8.30 14.00 201744.53+202523.0
20177+2025 J 2308 AC 2015 5 284 42.7 8.30 14.00 K2 U 201744.53+202523.0
20177+2025 J 2308 AC 2019 10 284 42.5 8.30 14.00 K2 U 201744.53+202523.0

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WDS 20177+2025 J 2308 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20177+2025 J 2308 AC : MEASURES
 
 
No records found.

 
 
WDS 20177+2025 : VIRTUAL EYEPIECE
 
 

20177+2025 J  2308A mag 8.3 Sp K2 20177+2025 COU 219Ab sep 0.4 P.A. 109.60 mag 9.8 20177+2025 J  2308B sep 36.9 P.A. 282.50 mag 15.5 20177+2025 J  2308C sep 40.0 P.A. 284.70 mag 14 20177+2025 BTG   4D sep 33.8 P.A. 170.90 mag 13.5 20177+2025 BTG   4E sep 27.1 P.A. 267.20 mag 14.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 20177+2025 : ALADIN DSS IMAGE @ 20h 17m 44.53s +20° 25' 23.0"
 
 
 
 
WDS 20177+2025 J 2308 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20177+2025  J  2308AC distance=0' 20177+2025  J  2308BC distance=1' 20173+2009  J  3071 distance=20' 20163+2033  HDS2888 distance=22' 20183+2002  HJ  912AB distance=25' 20183+2002  HJ  912AC distance=25' 20187+2001  HDS2901 distance=29' 20193+2047  TDT2166AB distance=32' 20190+2058  KPP1850 distance=38' 20154+2045  BRT2469 distance=39' 20195+1954  J   836 distance=39' 20156+1958  ROE 101AB distance=41' 20156+1958  ROE 101AC distance=41' 20156+1958  ROE 101AD distance=41' 20156+1958  ROE 101AE distance=41' 20178+1944  J  3072 distance=42' 20190+2117  GRV 329 distance=56' 20138+2021  HJ 2941 distance=57' 20209+1948  HJ 2954BC distance=58' 20209+1948  HJ 2954AB distance=58' 20190+2121  J  3074 distance=59' 20136+2021  BU 1484 distance=59' 20153+1937  UC  249 distance=60' 20162+1927  FMR 158 distance=63' 20167+1925  GCB  52 distance=63' 20167+1923  J  3068 distance=65' 20196+1925  BRT2525 distance=67' 20153+2120  J  3067 distance=68' 20190+2131  J   554 distance=68' 20224+2006  BUP9009 distance=69' 20178+1917  TDT2146 distance=69' 20166+2134  BRT2524 distance=71' 20227+2023  J  3080 distance=71' 20228+2023  J  3081 distance=72' 20184+2137  ARG  90AB distance=73' 20184+2137  DAM 292AC distance=73' 20230+2020  HDS2911 distance=74' 20176+2142  TDT2144 distance=78' 20131+2107  GRV 323 distance=78' 20124+2043  NSN 730 distance=78' 20188+2142  A   285 distance=78' 20216+1930  COU 327AB distance=78' 20216+1930  COU 327AB,C distance=78' 20231+2052  A   288 distance=81' 20222+2116  BRT2470 distance=82' 20205+2137  TDT2190 distance=82' 20119+2020  J  1876 distance=82' 20186+1905  J   835 distance=85' 20120+2100  HJ  907AB distance=87' 20120+2100  HJ  907AC distance=87' 20115+2013  GRV 320 distance=88' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20177+2025 COU 219 Aa,Ab 109 0.4
Show 20177+2025 J 2308 AB 283 37.0
Show 20177+2025 J 2308 AC 284 42.5
Show 20177+2025 BTG 4 AD 170 33.8
Show 20177+2025 BTG 4 AE 267 28.9
Show 20177+2025 J 2308 BC 297 5.7 1
Show 20173+2009 J 3071 219 6.1 20
Show 20163+2033 HDS2888 283 0.6 22
Show 20183+2002 HJ 912 AB 78 5.1 25
Show 20183+2002 HJ 912 AC 170 89.6 25
Show 20187+2001 HDS2901 46 0.3 29
Show 20193+2047 TDT2166 AB 20 2.5 32
Show 20190+2058 KPP1850 121 14.3 38
Show 20154+2045 BRT2469 60 3.9 39
Show 20195+1954 J 836 251 3.0 39
Show 20156+1958 ROE 101 AB 53 12.7 41
Show 20156+1958 ROE 101 AC 187 40.9 41
Show 20156+1958 ROE 101 AD 289 11.9 41
Show 20156+1958 ROE 101 AE 59 46.1 41
Show 20178+1944 J 3072 91 5.8 42
Show 20190+2117 GRV 329 339 66.7 56
Show 20138+2021 HJ 2941 109 6.2 57
Show 20209+1948 HJ 2954 BC 292 23.1 58
Show 20209+1948 HJ 2954 AB 303 3.1 58
Show 20190+2121 J 3074 331 7.8 59
Show 20136+2021 BU 1484 323 23.7 59
Show 20153+1937 UC 249 165 83.5 60
Show 20162+1927 FMR 158 41 22.1 63
Show 20167+1925 GCB 52 53 4.3 63
Show 20167+1923 J 3068 133 2.6 65
Show 20196+1925 BRT2525 60 1.9 67
Show 20153+2120 J 3067 140 6.3 68
Show 20190+2131 J 554 217 5.9 68
Show 20224+2006 BUP9009 47.1 69
Show 20178+1917 TDT2146 307 0.7 69
Show 20166+2134 BRT2524 288 5.2 71
Show 20227+2023 J 3080 292 7.4 71
Show 20228+2023 J 3081 6.2 72
Show 20184+2137 ARG 90 AB 73 12.8 73
Show 20184+2137 DAM 292 AC 115 16.7 73
Show 20230+2020 HDS2911 333 0.4 74
Show 20176+2142 TDT2144 72 0.7 78
Show 20131+2107 GRV 323 204 19.0 78
Show 20124+2043 NSN 730 146 3.2 78
Show 20188+2142 A 285 296 3.3 78
Show 20216+1930 COU 327 AB 245 0.2 78
Show 20216+1930 COU 327 AB,C 132 4.1 78
Show 20231+2052 A 288 296 0.2 81
Show 20222+2116 BRT2470 221 1.9 82
Show 20205+2137 TDT2190 9 0.7 82
Show 20119+2020 J 1876 99 8.2 82

 
 
WDS 20177+2025 : COMPONENTS
 
 
  A Ab B C D
Ab pa=109.6°
sep=0.40"
 
B pa=282.5°
sep=36.86"
pa=282.6°
sep=37.26"
 
C pa=284.7°
sep=39.98"
pa=284.7°
sep=40.38"
pa=308.4°
sep=3.44"
 
D pa=170.9°
sep=33.75"
pa=171.5°
sep=33.56"
pa=135.0°
sep=58.44"
pa=134.6°
sep=61.86"
 
E pa=267.2°
sep=27.10"
pa=267.5°
sep=27.47"
pa=136.2°
sep=12.89"
pa=134.6°
sep=16.30"
pa=314.6°
sep=45.55"
 
 
20177+2025 A
 
 
Coord arcsec 2000 201744.53+202523.0 Mag 8.3 Spectral class K2 (yellow-orange) PmRA 9.00
PmDE 3.0 SAO 88476 Tycho2 1639-00122-1 HD 193079
DM BD+19 4355
Tycho2
Tycho2 1639-00122-1 Pflag RAmdeg 304.43556068 DEmdeg 20.42307421
PmRA 7.2 PmDE -1.7 E RAmdeg 7 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.05 EpDEm 1990.74
Num 9 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 9.320 E BTmag 0.019 VTmag 8.299
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 304.43554306 DEdeg 20.42307833 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 7.1 E DEdeg 7.7 Posflg
Corr 0.3
SAO
SAO 88476 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 -0.013 Vmag 8 SpType K2
Double code Source 28 CatNum 8083 DM BD+19 4355
DMcomp BDsup HD 193079 M HD 0
GC RA1950rad 5.3037086 DE1950rad 0.35371883 PmRA2000 0.0011
PmDE2000 -0.015
 
 
20177+2025 Ab
 
 
Coord arcsec 2000 201744.56+202522.9 Mag 9.8 Calc delta mag 1.3 Calc coord yes
 
 
20177+2025 B
 
 
Coord arcsec 2000 201741.97+202531.0 Coord calc 201741.97+202531.0 Mag 15.5 PmRA 2.00
PmDE -15.0 Calc delta mag 7
 
 
20177+2025 C
 
 
Coord arcsec 2000 201741.78+202533.1 Mag 14 Calc delta mag 5.5 Calc coord yes
 
 
20177+2025 D
 
 
Coord arcsec 2000 201744.91+202449.7 Mag 13.5 Calc delta mag 5 Calc coord yes
 
 
20177+2025 E
 
 
Coord arcsec 2000 201742.60+202521.7 Mag 14.2 Calc delta mag 5.7 Calc coord yes