stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20118+3936
COU 2415 AB
HD 228242


Nearby doubles
3' : 20121+3938
SEI 997

7' : 20124+3940
TDT2083

24' : 20128+3916
SEI1013

26' : 20122+3912
TDT2079

28' : 20099+3951
ALI1135

28' : 20107+4001
TDS1048

31' : 20093+3926
TDT2028

32' : 20135+3912
SEI1025AB

34' : 20144+3920
SEI1039AB

36' : 20133+3905
SEI1017

38' : 20107+3900
ES 2046

39' : 20085+3936
MLB 768

39' : 20151+3929
MLB 982AB

41' : 20088+3915
MLB 769

42' : 20109+3857
DAM 198

42' : 20096+4009
COU2414

42' : 20113+3855
DAM 199

43' : 20112+3854
MLB 950

44' : 20091+3907
MLB 771

44' : 20116+3853
A 1418

45' : 20081+3926
ES 1972

46' : 20158+3937
ES 1974

47' : 20089+3905
MLB 770

47' : 20079+3949
STJ 83

52' : 20156+3910
SEI1046

53' : 20146+3855
ES 2047AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20118+3936 COU 2415 AB (HD 228242)

 
 
20h 11m 50.16s +39° 36' 28.3" P.A. 158.00 sep 0.4 mag 9.80,10.20 Sp B8III
 
 
Coord 2000 20118+3936 Discov num COU2415 Comp AB Coord arcsec 2000 20 11 50.16 +39 36 28.3
Date first 1987 Date last 2014 Obs 7
Pa first 138 Pa last 157.5 P.A. Now (θ) 157.5°
Sep first 0.3 Sep last 0.361 Sep. Now (ρ) 0.361"
Mag pri 9.80 Mag sec 10.20 delta mag (ΔM) 0.4 Spectral class B8III (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20118+3936 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228242 20 11 50 +39 36 28 COU 2415 AB 2014 7 158 0.4 9.80 10.20 0.40 <===
Show 20 11 50 +39 36 28 ES 1973 AB,C 2011 2 352 4.1 10.60 12.80 2.20
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228242 Constellation Cygnus Tycho2 3155-02052-1 HD 228242
 
 
WDS 20118+3936 COU 2415 AB (HD 228242) : 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)
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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20118+3936 COU2415 AB 2007 3 160 0.4 9.80 10.20 B8III 201150.16+393628.3
20118+3936 COU2415 AB 2011 4 155 0.4 9.80 10.20 B8III 201150.16+393628.3
20118+3936 COU2415 AB 2012 6 155 0.3 9.80 10.20 B8III 201150.16+393628.3
20118+3936 COU2415 AB 2014 7 158 0.4 9.80 10.20 B8III 201150.16+393628.3

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

 
 
WDS 20118+3936 COU 2415 AB (HD 228242) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20118+3936 COU 2415 AB (HD 228242) : MEASURES
 
 
No records found.

 
 
WDS 20118+3936 (HD 228242) : VIRTUAL EYEPIECE
 
 

20118+3936 COU2415A mag 9.8 Sp B8III 20118+3936 COU2415B sep 0.3 P.A. 162.30 mag 10.2 20118+3936 ES 1973C sep 4.0 P.A. 353.60 mag 12.8 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20118+3936 (HD 228242) : ALADIN DSS IMAGE @ 20h 11m 50.16s +39° 36' 28.3"
 
 
 
 
WDS 20118+3936 COU 2415 AB (HD 228242) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20118+3936 COU2415AB distance=0' 20121+3938 SEI 997 distance=3' 20124+3940 TDT2083 distance=7' 20128+3916 SEI1013 distance=24' 20122+3912 TDT2079 distance=26' 20099+3951 ALI1135 distance=28' 20107+4001 TDS1048 distance=28' 20093+3926 TDT2028 distance=31' 20135+3912 SEI1025AB distance=32' 20135+3912 SEI1025AC distance=32' 20144+3920 SEI1039AB distance=34' 20144+3920 TOB 182AC distance=34' 20133+3905 SEI1017 distance=36' 20107+3900 ES 2046 distance=38' 20085+3936 MLB 768 distance=39' 20151+3929 MLB 982AB distance=39' 20151+3929 MLB 982BC distance=39' 20088+3915 MLB 769 distance=41' 20109+3857 DAM 198 distance=42' 20096+4009 COU2414 distance=42' 20113+3855 DAM 199 distance=42' 20112+3854 MLB 950 distance=43' 20091+3907 MLB 771 distance=44' 20116+3853 A 1418 distance=44' 20081+3926 ES 1972 distance=45' 20158+3937 ES 1974 distance=46' 20089+3905 MLB 770 distance=47' 20079+3949 STJ 83 distance=47' 20156+3910 SEI1046 distance=52' 20146+3855 ES 2047AB distance=53' 20146+3855 ES 2047AD distance=53' 20146+3855 ES 2047AE distance=53' 20146+3855 ES 2047BC distance=53' 20163+3924 SEI1051 distance=54' 20117+3843 TDT2073 distance=54' 20167+3938 HO 590AB distance=56' 20167+3938 HO 590AC distance=56' 20134+3844 BLL 47AB distance=56' 20134+3844 BLL 47AC distance=56' 20069+3938 ES 1971 distance=57' 20168+3942 STF2663AB distance=58' 20168+3942 CTT 21AC distance=58' 20168+3942 DAM1040AF distance=58' 20168+3942 DAM1040FG distance=58' 20163+4007 MLB1013 distance=60' 20159+3859 BRT2230 distance=61' 20073+4013 BRT2252 distance=64' 20160+3856 ALI 926 distance=64' 20133+4038 GRV 324 distance=65' 20134+3835 SLE 966 distance=65' 20161+3854 CHR 95 distance=65' grafico limitrofi
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 20118+3936 COU2415 AB 158 0.4
Show 20118+3936 ES 1973 AB,C 352 4.1
Show 20121+3938 SEI 997 146 10.3 3
Show 20124+3940 TDT2083 350 1.1 7
Show 20128+3916 SEI1013 330 20.6 24
Show 20122+3912 TDT2079 32 1.9 26
Show 20099+3951 ALI1135 200 13.1 28
Show 20107+4001 TDS1048 339 1.1 28
Show 20093+3926 TDT2028 187 1.5 31
Show 20135+3912 SEI1025 AB 168 5.7 32
Show 20135+3912 SEI1025 AC 256 26.6 32
Show 20144+3920 SEI1039 AB 135 10.7 34
Show 20144+3920 TOB 182 AC 194 43.2 34
Show 20133+3905 SEI1017 259 28.3 36
Show 20107+3900 ES 2046 100 6.2 38
Show 20085+3936 MLB 768 111 5.1 39
Show 20151+3929 MLB 982 AB 183 30.8 39
Show 20151+3929 MLB 982 BC 355 6.0 39
Show 20088+3915 MLB 769 131 4.9 41
Show 20109+3857 DAM 198 263 6.4 42
Show 20096+4009 COU2414 159 0.3 42
Show 20113+3855 DAM 199 70 6.5 42
Show 20112+3854 MLB 950 185 4.2 43
Show 20091+3907 MLB 771 17 3.7 44
Show 20116+3853 A 1418 330 3.0 44
Show 20081+3926 ES 1972 146 4.4 45
Show 20158+3937 ES 1974 160 2.9 46
Show 20089+3905 MLB 770 284 6.1 47
Show 20079+3949 STJ 83 307 0.9 47
Show 20156+3910 SEI1046 249 1.5 52
Show 20146+3855 ES 2047 AB 174 33.2 53
Show 20146+3855 ES 2047 AD 103 10.6 53
Show 20146+3855 ES 2047 AE 106 27.6 53
Show 20146+3855 ES 2047 BC 197 4.7 53
Show 20163+3924 SEI1051 148 22.3 54
Show 20117+3843 TDT2073 151 1.6 54
Show 20167+3938 HO 590 AB 207 3.5 56
Show 20167+3938 HO 590 AC 88 25.9 56
Show 20134+3844 BLL 47 AB 354 131.7 56
Show 20134+3844 BLL 47 AC 106 154.0 56
Show 20069+3938 ES 1971 291 3.3 57
Show 20168+3942 STF2663 AB 322 5.4 58
Show 20168+3942 CTT 21 AC 188 103.0 58
Show 20168+3942 DAM1040 AF 123 22.3 58
Show 20168+3942 DAM1040 FG 225 3.5 58
Show 20163+4007 MLB1013 160 4.0 60
Show 20159+3859 BRT2230 297 6.0 61
Show 20073+4013 BRT2252 188 2.9 64
Show 20160+3856 ALI 926 282 8.6 64
Show 20133+4038 GRV 324 252 7.7 65
Show 20134+3835 SLE 966 262 11.3 65

 
 
WDS 20118+3936 : COMPONENTS
 
 
  A B
B pa=162.3°
sep=0.35"
 
C pa=353.6°
sep=4.05"
pa=352.7°
sep=4.40"
 
 
20118+3936 A
 
 
Name HD 228242 Coord arcsec 2000 201150.16+393628.3 Mag 9.8 Spectral class B8III (blue-white)
PmRA -2.00 PmDE -3.0 Tycho2 3155-02052-1 HD 228242
Tycho2
Tycho2 3155-02052-1 Pflag RAmdeg 302.95904618 DEmdeg 39.60787709
PmRA -2.1 PmDE -3.2 E RAmdeg 15 E DEmdeg 13
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.34 EpDEm 1990.10
Num 5 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 10.092 E BTmag 0.025 VTmag 9.948
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 302.95905222 DEdeg 39.60788389 EpRA 1990 1.48
EpDE 1990 1.68 E RAdeg 16.1 E DEdeg 14.4 Posflg
Corr 0.0
CCDM
Ccdm 20118+3936 RComp Comp A Note1
Note2 Discov num DRAs 0.29 DDEs 25.8
R dRAs 80 Year Theta Rho
Obs 2 Vmag 10.6 Sp B8 PmNote
PmRA PmDE Dm number +39 4074 Cat1 BD
Name2 Cat2 HD 228242 M HD
ADS BDS A13502 M ADS BDS N IDS IDS 20082N3920A
HIC
 
 
20118+3936 B
 
 
Coord arcsec 2000 201150.17+393628.0 Mag 10.2 Calc delta mag 0.4 Calc coord yes
CCDM
Ccdm 20118+3936 RComp Comp B Note1
Note2 Discov num ES 1973 DRAs DDEs
R dRAs Year 1922 Theta 358 Rho 4.3
Obs 1 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13502 M ADS BDS N IDS IDS 20082N3920B
HIC
 
 
20118+3936 C
 
 
Coord arcsec 2000 201150.12+393632.3 Mag 12.8 Calc delta mag 3 Calc coord yes