20255+4006 D 22 AB (HD 194685)

 
 
20h 25m 31.16s +40° 05' 50.8" P.A. 163.00 sep 2.9 mag 8.15,9.48 Sp F8V
 
 
Coord 2000 20255+4006 Discov num D    22 Comp AB Coord arcsec 2000 20 25 31.16 +40 05 50.8
Date first 1875 Date last 2016 Obs 72
Pa first 140 Pa last 163.1 P.A. Now (θ) 163.1°
Sep first 2.8 Sep last 2.936 Sep. Now (ρ) 2.936"
Mag pri 8.15 Mag sec 9.48 delta mag (ΔM) 1.33 Spectral class F8V (yellow-white)
Pri motion ra +092 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20255+4006 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194685 70001 20 25 31 +40 05 51 D 22 AB 2016 72 163 2.9 8.15 9.48 1.33 <===
Show 70001 20 25 31 +40 05 51 D 22 AC 1998 5 114 18.1 8.15 13.20 5.05
Show 70001 20 25 31 +40 05 51 POP 224 AD 2009 6 98 71.2 8.15 11.58 3.43
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194685 Constellation Cygnus SAO 70001 Tycho2 3156-00437-1
Gaia DR2 2067478101017759616 HD 194685
 
 
WDS 20255+4006 D 22 AB (HD 194685) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
D__1856a - Dembowski, H. 1856AN.....42..231D
D__1856a AN 42, 231, 1856 (no data)
D__1856b Ma - Dembowski, H. 1856AN.....43...47D
D__1856b AN 43, 47, 1856 (all data also in Mis. Micrometriche)
D__1856c Ma - Dembowski, H. 1856AN.....43...77D
D__1856c AN 43, 77, 1856 (some data also in Mis. Micrometriche)
D__1856d Ma j Dembowski, H. 1856AN.....44...57D
D__1856d AN 44, 57, 1856 (some data also in Mis. Micrometriche)
D__1857a Ma - Dembowski, H. 1857AN.....46..317D
D__1857a AN 46, 317, 1857 (some data also in Mis. Micrometriche)
D__1857b Ma - Dembowski, H. 1857AN.....47...79D
D__1857b AN 47, 79, 1857 (some data also in Mis. Micrometriche)
D__1857c Ma - Dembowski, H. 1857AN.....47...91D
D__1857c AN 47, 91, 1857 (some data also in Mis. Micrometriche)
D__1857d Ma j Dembowski, H. 1857AN.....47..105D
D__1857d AN 47, 105, 1857 (some data also in Mis. Micrometriche)
D__1857e Ma - Dembowski, H. 1857AN.....47..157D
D__1857e AN 47, 157, 1857 (some data also in Mis. Micrometriche)
D__1857f Ma - Dembowski, H. 1857AN.....47..171D
D__1857f AN 47, 171, 1857 (all data also in Mis. Micrometriche)
D__1857g Ma - Dembowski, H. 1857AN.....47..189D
D__1857g AN 47, 189, 1857 (some data also in Mis. Micrometriche)
D__1857h Ma - Dembowski, H. 1857AN.....47..205D
D__1857h AN 47, 205, 1857 (some data also in Mis. Micrometriche)
D__1857i Ma j Dembowski, H. 1857AN.....47..219D
D__1857i AN 47, 219, 1857 (some data also in Mis. Micrometriche)
D__1857j Ma j Dembowski, H. 1857AN.....47..233D
D__1857j AN 47, 233, 1857 (some data also in Mis. Micrometriche)
D__1858 Ma j Dembowski, H. 1858AN.....47..333D
D__1858 AN 47, 333, 1858 (some data also in Mis. Micrometriche)
D__1859a Ma j Dembowski, H. 1859AN.....50..129D
D__1859a AN 50, 129, 1859 (some data also in Mis. Micrometriche)
D__1859b Ma - Dembowski, H. 1859AN.....50..131D
D__1859b AN 50, 131, 1859 (some data also in Mis. Micrometriche)
D__1859c Ma - Dembowski, H. 1859AN.....50..189D
D__1859c AN 50, 189, 1859 (some data also in Mis. Micrometriche)
D__1859d Ma - Dembowski, H. 1859AN.....50..251D
D__1859d AN 50, 251, 1859 (some data also in Mis. Micrometriche)
D__1859e Ma - Dembowski, H. 1859AN.....50..279D
D__1859e AN 50, 279, 1859 (some data also in Mis. Micrometriche)
D__1859f Ma - Dembowski, H. 1859AN.....50..299D
D__1859f AN 50, 299, 1859 (some data also in Mis. Micrometriche)
D__1859g Ma - Dembowski, H. 1859AN.....50..317D
D__1859g AN 50, 317, 1859 (some data also in Mis. Micrometriche)
D__1859h Ma j Dembowski, H. 1859AN.....51...55D
D__1859h AN 51, 55, 1859 (some data also in Mis. Micrometriche)
D__1859i Ma j Dembowski, H. 1859AN.....51...79D
D__1859i AN 51, 79, 1859 (some data also in Mis. Micrometriche)
D__1859j Ma - Dembowski, H. 1859AN.....51...95D
D__1859j AN 51, 95, 1859 (all data also in Mis. Micrometriche)
D__1859k Ma - Dembowski, H. 1859AN.....51..111D
D__1859k AN 51, 111, 1859 (all data also in Mis. Micrometriche)
D__1859l Ma j Dembowski, H. 1859AN.....51..139D
D__1859l AN 51, 139, 1859 (some data also in Mis. Micrometriche)
D__1860 - Dembowski, H. 1860AN.....53..113D
D__1860 AN 53, 113, 1860 (mean coordinates, no relative astrometry)
D__1864 Ma j Dembowski, H. 1864AN.....62..129D
D__1864 AN 62, 129, 1864 (some data also in Mis. Micrometriche)
D__1865A Ma - Dembowski, H. 1865AN.....84...81E
D__1865A cited by Engelmann (AN 64, 81, #1518, 1865)
D__1866 Ma - Dembowski, H. 1866AN.....66..177D
D__1866 AN 66, 177, 1866 (some data also in Mis. Micrometriche)
D__1869 Ma j Dembowski, H. 1869AN.....73...97D
D__1869 AN 73, 97, 1869 (some data also in Mis. Micrometriche)
D__1870a Ma - Dembowski, H. 1870AN.....75..345D
D__1870a AN 75, 345, 1870 (some data also in Mis. Micrometriche)
D__1870b Ma - Dembowski, H. 1870AN.....75..359D
D__1870b AN 75, 359, 1870 (some data also in Mis. Micrometriche)
D__1870c Ma - Dembowski, H. 1870AN.....75..373D
D__1870c AN 75, 373, 1870 (some data also in Mis. Micrometriche)
D__1870d Ma j Dembowski, H. 1870AN.....76...81D
D__1870d AN 76, 81, 1870 (some data also in Mis. Micrometriche)
D__1870e Ma - Dembowski, H. 1870AN.....76..113D
D__1870e AN 76, 113, 1870 (some data also in Mis. Micrometriche)
D__1870f Ma j Dembowski, H. 1870AN.....76..149D
D__1870f AN 76, 149, 1870 (some data also in Mis. Micrometriche)
D__1870g Ma j Dembowski, H. 1870AN.....76..343D
D__1870g AN 76, 343, 1870 (some data also in Mis. Micrometriche)
D__1870h Ma - Dembowski, H. 1870AN.....76..357D
D__1870h AN 76, 357, 1870 (some data also in Mis. Micrometriche)
D__1870i Ma j Dembowski, H. 1870AN.....76..371D
D__1870i AN 76, 371, 1870 (some data also in Mis. Micrometriche)
D__1870j Ma j Dembowski, H. 1870AN.....77...25D
D__1870j AN 77, 25, 1870 (some data also in Mis. Micrometriche)
D__1870k Ma - Dembowski, H. 1870AN.....77...73D
D__1870k AN 77, 73, 1870 (some data also in Mis. Micrometriche)
D__1871a Ma j Dembowski, H. 1871AN.....77...81D
D__1871a AN 77, 81, 1871 (some data also in Mis. Micrometriche)
D__1871b Ma j Dembowski, H. 1871AN.....77..107D
D__1871b AN 77, 107, 1871 (some data also in Mis. Micrometriche)
D__1871c Ma - Dembowski, H. 1871AN.....77..125D
D__1871c AN 77, 125, 1871 (some data also in Mis. Micrometriche)
D__1872a Ma - Dembowski, H. 1872AN.....79..209D
D__1872a AN 79, 209, 1872 (some data also in Mis. Micrometriche)
D__1872b Ma - Dembowski, H. 1872AN.....79..241D
D__1872b AN 79, 241, 1872 (some data also in Mis. Micrometriche)
D__1873 - Dembowski, H. 1873AN.....81..247D
D__1873 AN 81, 247, 1873 (no data)
D__1874 Ma j Dembowski, H. 1874AN.....83..161D
D__1874 AN 83, 161, 1874 (some data also in Mis. Micrometriche)
D__1874B Ma - Dembowski, H. 1874MNRAS..35...28B
D__1874B cited by Burnham (MNRAS 35, 28, 1874)
D__1875 Ma - Dembowski, H. 1875AN.....86..337D
D__1875 AN 86, 337, 1875
D__1876a - Dembowski, H. 1876AN.....87..191D
D__1876a AN 87, 191, 1876 (no data)
D__1876b Ma - Dembowski, H. 1876AN.....87..205D
D__1876b AN 87, 205, 1876 (some data also in Mis. Micrometriche)
D__1876c Ma - Dembowski, H. 1876AN.....87..233D
D__1876c AN 87, 233, 1876 (some data also in Mis. Micrometriche)
D__1876d Ma - Dembowski, H. 1876AN.....87..253D
D__1876d AN 87, 253, 1876
D__1876e Ma - Dembowski, H. 1876AN.....87..257D
D__1876e AN 87, 257, 1876
D__1876f Ma j Dembowski, H. 1876AN.....87..339D
D__1876f AN 87, 339, 1876
D__1877 Ma - Dembowski, H. 1877MNRAS..38...78D
D__1877 MNRAS 38, 78, 1877
D__1878a Ma - Dembowski, H. 1878AN.....92..121D
D__1878a AN 92, 121, 1878
D__1878b Ma - Dembowski, H. 1878AN.....92..129D
D__1878b AN 92, 129, 1878
D__1878c Ma - Dembowski, H. 1878AN.....92..145D
D__1878c AN 92, 145, 1878
D__1878d Ma - Dembowski, H. 1878AN.....92..161D
D__1878d AN 92, 161, 1878
D__1878e Ma - Dembowski, H. 1878AN.....92..237D
D__1878e AN 92, 237, 1878 (all data also in Mis. Micrometriche)
D__1878A Ma - Dembowski, H. 1878Obs.....2..146G
D__1878A cited by Gledhill (Obs 2, 146, 1878)
D__1878B Ma - Dembowski, H. 1878Obs.....2..183G
D__1878B cited by Gledhill (Obs 2, 183, 1878)
D__1878C Ma - Dembowski, H. 1878Obs.....2..239G
D__1878C cited by Gledhill (Obs 2, 239, 1878)
D__1878D Ma - Dembowski, H. 1878Obs.....2..269G
D__1878D cited by Gledhill (Obs 2, 269, 1878)
D__1879 Ma - Dembowski, H. .
D__1879 Lincei Acad. Ser 3, 16,17, 1879?
D__1879B Ma - Dembowski, H. 1879Obs.....2..380G
D__1879B cited by Gledhill (Obs 2, 380, 1879)
D__1879C Ma - Dembowski, H. 1879Obs.....3...20G
D__1879C cited by Gledhill (Obs 3, 20, 1879)
D__1879D Ma - Dembowski, H. 1879Obs.....3..114G
D__1879D cited by Gledhill (Obs 3, 114, 1879)
D__1879E Ma - Dembowski, H. 1879Obs.....3..169G
D__1879E cited by Gledhill (Obs 3, 169, 1879)
D__1879F Ma - Dembowski, H. 1879Obs.....3..200G
D__1879F cited by Gledhill (Obs 3, 200, 1879)
D__1879G - Dembowski, H. 1879Obs.....3..245G
D__1879G cited by Gledhill (Obs 3, 245, 1879)
D__1879H Ma - Dembowski, H. 1879Obs.....2..344G
D__1879H cited by Gledhill (Obs 2, 344, 1879)
D__1880A Ma - Dembowski, H. 1880Obs.....3..447G
D__1880A cited by Gledhill (Obs 3, 447, 1880)
D__1880B Ma - Dembowski, H. 1880Obs.....3..569G
D__1880B cited by Gledhill (Obs 3, 569, 1880)
D__1880C Ma - Dembowski, H. 1880Obs.....3..275G
D__1880C cited by Gledhill (Obs 3, 275, 1880)
D__1880D Ma - Dembowski, H. 1880Obs.....3..352G
D__1880D cited by Gledhill (Obs 3, 352, 1880)
D__1883 Ma - Dembowski, H. ...................
D__1883 Misure micrometriche di Stelle Doppie e multiple...
D__1883 (Rome, Coi tipi del Salviucci), vol. I, 1883
D__1884 Ma - Dembowski, H. ...................
D__1884 Misure micrometriche di Stelle Doppie e multiple...
D__1884 (Rome, Coi tipi del Salviucci), vol. II, 1884
D__1884A Ma - Dembowski, H. 1884AReg...22..216S
D__1884A cited by Sadler (Astr. Register 22, 216, 1884)
D__1906A Ma - Dembowski, H. 1906MmRAS..56....1L
D__1906A cited by Lewis (MemRAS 56, 1, 1906)
D__1906B Ma - Dembowski, H. 1906QB821.B972.....
D__1906B cited in BDS (Burnham Double Star Cat.), 1906
D__1932A - Dembowski, H. 1932QB821.A43......
D__1932A cited in ADS (Aitken Double Star Cat.), 1932
Pop1967 Ma j Popovic, G.M. 1967BOBeo..26...67P
Pop1967 Bull. Obs. Astron. Belgrade 26, 67, 1967
Pop1969a Ma j Popovic, G.M. 1969BOBeo..27....1P
Pop1969a Bull. Obs. Astron. Belgrade 27, #1, 1, 1969
Pop1969b orb - Popovic, G.M. 1969BOBeo..27...33P
Pop1969b Bull. Obs. Astron. Belgrade 27, #1, 33-54, 1969
Pop1969c Ma j Popovic, G.M. 1969BOBeo..27...67P
Pop1969c Bull. Obs. Astron. Belgrade 27, #1, 67, 1969
Pop1969d orb - Popovic, G.M. 1969IAUDS..49....1P
Pop1969d Inf. Circ. 49, 1, 1969
Pop1970a Ma j Popovic, G.M. 1970BOBeo..28...69P
Pop1970a Bull. Obs. Astron. Belgrade 28, 69, 1970
Pop1970b Ma j Popovic, G.M. 1970BOBeo..28...81P
Pop1970b Bull. Obs. Astron. Belgrade 28, 81, 1970
Pop1970c orb - Popovic, G.M. 1970BOBeo..28..141P
Pop1970c Bull. Obs. Astron. Belgrade 28, 141, 1970
Pop1972 orb - Popovic, G.M. 1972BOBeo..29...31P
Pop1972 Bull. Obs. Astron. Belgrade 29, 31, 1972/3
Pop1973a Ma j Popovic, G.M. 1973BOBeo..29...37P
Pop1973a Bull. Obs. Astron. Belgrade 29, 37, 1973
Pop1973b Ma j Popovic, G.M. 1973BOBeo..29...44P
Pop1973b Bull. Obs. Astron. Belgrade 29, 44, 1973
Pop1975a Ma j Popovic, G.M. 1975BOBeo.126...35P
Pop1975a Bull. Obs. Astron. Belgrade #126, 35, 1975
Pop1975b Ma j Popovic, G.M. 1975BOBeo.126...47P
Pop1975b Bull. Obs. Astron. Belgrade #126, 47, 1975
Pop1976 orb - Popovic, G.M. 1976BOBeo.127...11P
Pop1976 Bull. Obs. Astron. Belgrade #127, 11, 1976
Pop1977a Ma - Popovic, G.M. 1977BOBeo.128...30P
Pop1977a Bull. Obs. Astron. Belgrade #128, 30, 1977
Pop1977b Ma j Popovic, G.M. 1977BOBeo.128...37P
Pop1977b Bull. Obs. Astron. Belgrade #128, 37, 1977
Pop1978 orb - Popovic, G.M. 1978BOBeo.129....9P
Pop1978 Bull. Obs. Astron. Belgrade #129, 9, 1978
Pop1979 Ma - Popovic, G.M. 1979BOBeo.130...28P
Pop1979 Bull. Obs. Astron. Belgrade #130, 28, 1979
Pop1980 orb - Popovic, G.M. 1980IAUDS..81....1P
Pop1980 Inf. Circ. 81, 1, 1980
Pop1981a Ma j Popovic, G.M. 1981BOBeo.131...23P
Pop1981a Bull. Obs. Astron. Belgrade #131, 23, 1981
Pop1981b orb - Popovic, G.M. 1981IAUDS..85....1P
Pop1981b Inf. Circ. 85, 1, 1981
Pop1981c orb - Popovic, G.M. 1981BOBeo.131...15P
Pop1981c Bull. Obs. Astron. Belgrade #131, 15, 1981
Pop1982a orb - Popovic, G.M. 1982BOBeo.132...13P
Pop1982a Bull. Obs. Astron. Belgrade #132, 13, 1982
Pop1982b Ma j Popovic, G.M. 1982BOBeo.132...34P
Pop1982b Bull. Obs. Astron. Belgrade #132, 34, 1982
Pop1982c orb - Popovic, G.M. 1982IAUDS..86....1P
Pop1982c Inf. Circ. 86, 1, 1982
Pop1983a orb - Popovic, G.M. 1983BOBeo.133...27P
Pop1983a Bull. Obs. Astron. Belgrade #133, 27, 1983
Pop1983b orb - Popovic, G.M. 1983IAUDS..91....1P
Pop1983b Inf. Circ. 91, 1, 1983
Pop1983c Ma j Popovic, G.M. 1983BOBeo.133...31P
Pop1983c Bull. Obs. Astron. Belgrade #133, 31, 1983
Pop1984 Ma j Popovic, G.M. 1984BOBeo.134...60P
Pop1984 Bull. Obs. Astron. Belgrade #134, 60, 1984
Pop1986a Ma u Popovic, G.M. 1986BOBeo.136...49P
Pop1986a Bull. Obs. Astron. Belgrade #136, 49, 1986
Pop1986b orb - Popovic, G.M. 1986IAUDS..98....1P
Pop1986b Inf. Circ. 98, 1, 1986
Pop1986c Ma u Popovic, G.M. 1986BOBeo.136...84P
Pop1986c Bull. Obs. Astron. Belgrade #136, 84, 1986
Pop1986d orb - Popovic, G.M. 1986IAUDS.100....1P
Pop1986d Inf. Circ. 100, 1, 1986
Pop1987 orb - Popovic, G.M. 1987BOBeo.137...82P
Pop1987 Bull. Obs. Astron. Belgrade #137, 82, 1987
Pop1988 Ma u Popovic, G.M. 1988BOBeo.138...55P
Pop1988 Bull. Obs. Astron. Belgrade #138, 55, 1988
Pop1989a Ma u Popovic, G.M. 1989BOBeo.140...83P
Pop1989a Bull. Obs. Astron. Belgrade #140, 83, 1989
Pop1989b orb - Popovic, G.M. & Catovic, Z. 1989IAUDS.107....1P
Pop1989b Inf. Circ. 107, 1, 1989
Pop1989c orb - Popovic, G.M. & Catovic, Z. 1989IAUDS.109....1P
Pop1989c Inf. Circ. 109, 1, 1989
Pop1990 orb - Popovic, G.M. & Catovic, Z. 1990IAUDS.112....1P
Pop1990 Inf. Circ. 112, 1, 1990
Pop1991 Ma u Popovic, G.M. 1991BOBeo.144...39P
Pop1991 Bull. Obs. Astron. Belgrade #144, 39, 1991
Pop1993 Ma u Popovic, G.M. & Zulevic, D.J. 1993BOBeo.147...45P
Pop1993 Bull. Obs. Astron. Belgrade #147, 45, 1993
Pop1994 Ma u Popovic, G.M. 1994BOBeo.150..109P
Pop1994 Bull. Obs. Astron. Belgrade #150, 109, 1994
Pop1995a orb - Popovic, G.M. & Pavlovic, R. 1995IAUDS.125....2P
Pop1995a Inf. Circ. 125, 2, 1995
Pop1995b orb - Popovic, G.M. & Pavlovic, R. 1995IAUDS.126....1P
Pop1995b Inf. Circ. 126, 1, 1995
Pop1995c orb - Popovic, G.M. & Pavlovic, R. 1995IAUDS.127....1P
Pop1995c Inf. Circ. 127, 1, 1995
Pop1995d orb - Popovic, G.M. & Pavlovic, R. 1995BOBeo.151...45P
Pop1995d Bull. Obs. Astron. Belgrade #151, 45, 1995
Pop1996a orb - Popovic, G.M. & Pavlovic, R. 1996IAUDS.128....1P
Pop1996a Inf. Circ. 128, 1, 1996
Pop1996b orb - Popovic, G.M. & Pavlovic, R. 1996BOBeo.153...57P
Pop1996b Bull. Obs. Astron. Belgrade #153, 57, 1996
Pop1996c orb - Popovic, G.M. & Zivkov, V. 1996IAUDS.130....1P
Pop1996c Inf. Circ. 130, 1, 1996
Pop1997a Ma u Popovic, G.M. & Pavlovic, R. 1997A&AS..123..487P
Pop1997a +C A&AS 123, 487, 1997
Pop1997b Ma u Popovic, G.M. & Pavlovic, R. 1997BOBeo.155...97P
Pop1997b Bull. Obs. Astron. Belgrade #155, 97, 1997
Pop1997c orb - Popovic, G.M. & Pavlovic, R. 1997IAUDS.131R...1P
Pop1997c Inf. Circ. 131, 1, 1997
Pop1997d orb - Popovic, G.M. & Zivkov, V. 1997IAUDS.131Q...1P
Pop1997d Inf. Circ. 131, 1, 1997
Pop1997e orb - Popovic, G.M. & Pavlovic, R. 1997IAUDS.132....1P
Pop1997e Inf. Circ. 132, 1, 1997
Pop1997f orb - Popovic, G.M., Pavlovic, R., & Zivkov, V. 1997BOBeo.156..189P
Pop1997f Bull. Obs. Astron. Belgrade #156, 189, 1997
Pop1998a orb - Popovic, G.M. & Zivkov, V. 1998IAUDS.135Q...2P
Pop1998a Inf. Circ. 135, 2, 1998
Pop1998b orb - Popovic, G.M. 1998IAUDS.136....2P
Pop1998b Inf. Circ. 136, 2, 1998
Pop1998c orb - Popovic, G.M. & Pavlovic, R. 1998IAUDS.136R...1P
Pop1998c Inf. Circ. 136, 1, 1998
Pop1998d Ma u Popovic, G.M. (Popovic & Pavlovic) 1998SerAJ.158...67P
Pop1998d +C SerAJ 158, 67, 1998
Pop2000a orb - Popovic, G.M., Pavlovic, R., & Zivkov, V. 2000A&AS..144..211P
Pop2000a A&AS 144, 211, 2000
Pop2000b Ma u Popovic, G.M. (Zulevic et al.) 2000SerAJ.161...25Z
Pop2000b SerAJ 161, 25, 2000
Pop2001 Ma u Popovic, G.M. 2001SerAJ.163...49P
Pop2001 SerAJ 163, 49, 2001
Pop2002a orb - Popovic, G.M. & Olevic, D. 2002IAUDS.146....2P
Pop2002a Inf. Circ. 146, 2, 2002
Pop2002b orb - Popovic, G.M. & Olevic, D. 2002IAUDS.147....2P
Pop2002b Inf. Circ. 147, 2, 2002
Pop2006 C u Popovic, G.M. (Cvetkovic, Z., Novakovic, B. Strigachev, A. & Popovic, G.M. 2006SerAJ.172...53C
Pop2006 SerAJ 172, 53, 2006
Pop2007 C u Popovic, G.M. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., & 2007SerAJ.174...83C
Pop2007 Popovic, G.M.)
Pop2007 SerAJ 174, 83, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20255+4006 D 22 AB 2008 63 162 2.8 8.15 9.48 F8V 202531.14+400553.7
20255+4006 D 22 AB 2009 65 163 2.9 8.15 9.48 F8V 202531.14+400553.7
20255+4006 D 22 AB 2010 68 163 2.8 8.15 9.48 F8V 202531.14+400553.7
20255+4006 D 22 AB 2011 70 162 2.9 8.15 9.48 F8V 202531.14+400553.7
20255+4006 D 22 AB 2016 71 163 2.9 8.15 9.48 F8V 202531.16+400550.8

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

 
 
WDS 20255+4006 D 22 AB (HD 194685) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20255+4006 D 22 AB (HD 194685) : MEASURES
 
 
No records found.

 
 
WDS 20255+4006 (HD 194685) : VIRTUAL EYEPIECE
 
 

20255+4006 D    22A mag 8.15 Sp F8V 20255+4006 D    22B sep 2.9 P.A. 166.90 mag 9.48 20255+4006 D    22C sep 14.7 P.A. 120.30 mag 13.2 20255+4006 POP 224D sep 54.8 P.A. 99.80 mag 11.58 virtual eyepiece
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Radius:
Components only
 
 
WDS 20255+4006 (HD 194685) : ALADIN DSS IMAGE @ 20h 25m 31.16s +40° 05' 50.8"
 
 
 
 
WDS 20255+4006 D 22 AB (HD 194685) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20255+4006  D    22AB distance=0' 20253+4003  MLB  22 distance=3' 20257+4004  TOR  25AB distance=4' 20257+4004  POP 199AC distance=4' 20254+4014  MLR   1 distance=8' 20248+4009  HO  278 distance=9' 20259+4019  ALI1142 distance=14' 20244+4002  MLB  21 distance=14' 20264+4029  MLB1087 distance=26' 20272+3949  ES 1976 distance=27' 20272+3948  SEI1127 distance=27' 20280+3958  TDT2299 distance=31' 20283+4005  COU2538 distance=32' 20237+3937  ALI1141 distance=36' 20251+4042  TDT2253 distance=37' 20222+4015  BU  665A,BC (Sadr) distance=39' 20222+4015  BU  665BC,D distance=40' 20222+4015  BU  665BC distance=40' 20278+4036  TDT2294 distance=41' 20263+3925  ES 1975 distance=42' 20231+4037  TDT2228 distance=42' 20277+3932  TDT2292 distance=43' 20296+4021  STN  50 distance=45' 20294+4011  ALV   6 distance=45' 20283+4038  TDT2306 distance=46' 20232+4046  ES 1677 distance=49' 20215+3950  SEI1103 distance=49' 20231+4047  J   787CD distance=50' 20231+4047  J   787AB distance=50' 20231+4047  J   787AC distance=50' 20231+4047  J   787AD distance=50' 20231+4048  GRF  15 distance=51' 20259+3914  SEI1122 distance=52' 20299+4022  HJ 1525AB distance=53' 20299+4022  HJ 1525AC distance=53' 20301+4007  ES  245 distance=53' 20235+3918  SEI1111 distance=54' 20232+4052  CIA  46 distance=54' 20221+4042  ES 1676 distance=54' 20286+3923  TDT2315 distance=56' 20298+3939  LSC  90 distance=56' 20241+3912  SEI1115 distance=57' 20239+3912  J   129 distance=57' 20290+3924  ALI1144 distance=58' 20306+4015  STJ  84 distance=59' 20271+3910  TDT2284 distance=59' 20271+3909  ALI 932 distance=60' 20203+3958  BRT2260 distance=61' 20204+4021  TDT2186 distance=61' 20207+4031  TDT2193 distance=61' 20230+3913  STTA206AB distance=61' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20255+4006 D 22 AB 163 2.9
Show 20255+4006 D 22 AC 114 18.1
Show 20255+4006 POP 224 AD 98 71.2
Show 20253+4003 MLB 22 227 6.2 3
Show 20257+4004 TOR 25 AB 191 4.7 4
Show 20257+4004 POP 199 AC 245 59.6 4
Show 20254+4014 MLR 1 213 0.4 8
Show 20248+4009 HO 278 70 0.1 9
Show 20259+4019 ALI1142 56 12.1 14
Show 20244+4002 MLB 21 15 8.8 14
Show 20264+4029 MLB1087 98 9.5 26
Show 20272+3949 ES 1976 79 3.8 27
Show 20272+3948 SEI1127 116 26.3 27
Show 20280+3958 TDT2299 8 0.5 31
Show 20283+4005 COU2538 31 1.0 32
Show 20237+3937 ALI1141 21 11.5 36
Show 20251+4042 TDT2253 239 2.4 37
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 39
Show 20222+4015 BU 665 BC,D 131 41.0 40
Show 20222+4015 BU 665 BC 302 1.9 40
Show 20278+4036 TDT2294 310 2.2 41
Show 20263+3925 ES 1975 26 4.1 42
Show 20231+4037 TDT2228 242 0.4 42
Show 20277+3932 TDT2292 167 0.5 43
Show 20296+4021 STN 50 170 6.3 45
Show 20294+4011 ALV 6 259 0.6 45
Show 20283+4038 TDT2306 156 1.1 46
Show 20232+4046 ES 1677 270 7.4 49
Show 20215+3950 SEI1103 223 17.0 49
Show 20231+4047 J 787 CD 292 25.3 50
Show 20231+4047 J 787 AB 165 2.6 50
Show 20231+4047 J 787 AC 112 9.5 50
Show 20231+4047 J 787 AD 293 15.8 50
Show 20231+4048 GRF 15 139 199.3 51
Show 20259+3914 SEI1122 271 27.6 52
Show 20299+4022 HJ 1525 AB 234 9.2 53
Show 20299+4022 HJ 1525 AC 39 17.1 53
Show 20301+4007 ES 245 158 4.1 53
Show 20235+3918 SEI1111 10 25.3 54
Show 20232+4052 CIA 46 14 0.0 54
Show 20221+4042 ES 1676 285 2.4 54
Show 20286+3923 TDT2315 141 1.5 56
Show 20298+3939 LSC 90 335 0.1 56
Show 20241+3912 SEI1115 181 23.6 57
Show 20239+3912 J 129 35 3.3 57
Show 20290+3924 ALI1144 165 11.6 58
Show 20306+4015 STJ 84 34 1.2 59
Show 20271+3910 TDT2284 101 1.9 59
Show 20271+3909 ALI 932 194 14.2 60
Show 20203+3958 BRT2260 9 3.2 61
Show 20204+4021 TDT2186 349 0.5 61

 
 
WDS 20255+4006 : COMPONENTS
 
 
  A B C
B pa=166.9°
sep=2.88"
 
C pa=120.3°
sep=14.65"
pa=110.9°
sep=12.84"
 
D pa=99.8°
sep=54.79"
pa=96.9°
sep=53.74"
pa=92.6°
sep=41.40"
 
 
20255+4006 A
 
 
Name HD 194685 Coord arcsec 2000 202531.16+400550.8 Mag 8.15 Spectral class F8V (yellow-white)
PmRA 92.00 PmDE 19.0 SAO 70001 Tycho2 3156-00437-1
HD 194685 DM BD+39 4180
Tycho2
Tycho2 3156-00437-1 Pflag RAmdeg 306.37976004 DEmdeg 40.09825306
PmRA 91.9 PmDE 19.2 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.42 EpDEm 1991.40
Num 4 Q RAmdeg 1.8 Q DEmdeg 2.0 Q pmRA 1.8
Q pmDE 2.0 BTmag 8.751 E BTmag 0.017 VTmag 8.151
E VTmag 0.012 Prox 29 TYC T HIP
CCDM RAdeg 306.37948139 DEdeg 40.09820833 EpRA 1990 1.65
EpDE 1990 1.60 E RAdeg 6.1 E DEdeg 6.0 Posflg D
Corr 0.1
SAO
SAO 70001 DelFlag RA1950 PmRA1950 0.0091
DE1950 PmDE1950 -0.005 Vmag 8.2 SpType G5
Double code Source 5 CatNum 2127 DM BD+39 4180
DMcomp BDsup HD 194685 M HD 0
GC RA1950rad 5.33941676 DE1950rad 0.69697241 PmRA2000 0.0094
PmDE2000 -0.007
CCDM
Ccdm 20255+4006 RComp Comp A Note1
Note2 Discov num DRAs 1.18 DDEs -8.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.0 Sp G5 PmNote *
PmRA 97 PmDE 0 Dm number +39 4180 Cat1 BD
Name2 +39 2127 Cat2 AGK2/3 HD 194685 M HD
ADS BDS A13847 M ADS BDS N IDS IDS 20219N3946A
HIC
 
 
20255+4006 B
 
 
Coord arcsec 2000 202531.22+400548.0 Mag 9.48 Calc delta mag 1.33 Calc coord yes
CCDM
Ccdm 20255+4006 RComp Comp B Note1
Note2 Discov num D 22 DRAs DDEs
R dRAs Year 1959 Theta 155 Rho 3.1
Obs 23 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13847 M ADS BDS N IDS IDS 20219N3946B
HIC
 
 
20255+4006 C
 
 
Coord arcsec 2000 202532.26+400543.4 Mag 13.2 Calc delta mag 5.05 Calc coord yes
CCDM
Ccdm 20255+4006 RComp Comp C Note1
Note2 Discov num D 22 DRAs DDEs
R dRAs Year 1926 Theta 097 Rho 15.6
Obs 2 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13847 M ADS BDS N IDS IDS 20219N3946C
HIC
 
 
20255+4006 D
 
 
Coord arcsec 2000 202535.87+400541.5 Mag 11.58 PmRA -5.00 PmDE -5.0
Tycho2 3156-00729-1 Calc delta mag 3.43 Calc coord yes
Tycho2
Tycho2 3156-00729-1 Pflag RAmdeg 306.40549914 DEmdeg 40.09528662
PmRA -4.5 PmDE -4.7 E RAmdeg 86 E DEmdeg 79
E pmRA 5.3 E pmDE 4.9 EpRAm 1987.16 EpDEm 1987.12
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.234 E BTmag 0.158 VTmag 11.584
E VTmag 0.120 Prox 711 TYC HIP
CCDM RAdeg 306.40551306 DEdeg 40.09529750 EpRA 1990 1.59
EpDE 1990 1.59 E RAdeg 89.0 E DEdeg 82.4 Posflg
Corr -0.1