20021+5439 BU 426 AB (HD 190398)

 
 
20h 02m 07.92s +54° 38' 28.0" P.A. 306.00 sep 5.9 mag 8.53,10.50 Sp K0
 
 
Coord 2000 20021+5439 Discov num BU  426 Comp AB Coord arcsec 2000 20 02 07.92 +54 38 28.0
Date first 1877 Date last 2016 Obs 25
Pa first 310 Pa last 305.9 P.A. Now (θ) 305.9°
Sep first 5.8 Sep last 5.858 Sep. Now (ρ) 5.858"
Mag pri 8.53 Mag sec 10.50 delta mag (ΔM) 1.97 Spectral class K0 (yellow-orange)
Pri motion ra +016 Sec motion ra +000
Pri motion dec +018 Sec motion dec +000
Notes N (See Notes)
rPM=1
This double is not physical.
 
 
20021+5439 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 190398 20 02 08 +54 38 28 BU 426 AB 2016 25 306 5.9 8.53 10.50 1.97 <===
Show 32226 20 02 08 +54 38 28 BU 426 AC 2015 17 53 163.2 8.53 8.39 0.14
Show 32226 20 02 23 +54 40 08 BU 427 CD 2011 15 336 3.1 8.39 10.18 1.79
Show 32226 20 02 23 +54 40 08 ENG 68 CE 2015 13 158 160.3 8.39 8.92 0.53
Show 32230 20 02 30 +54 37 39 MLR 580 EF 2008 3 159 0.6 8.90 13.20 4.30
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190398 Constellation Cygnus Tycho2 3940-00110-1 Gaia DR2 2185777855590109312
HD 190398
 
 
WDS 20021+5439 BU 426 AB (HD 190398) : NOTES
 
 
discov_num notes refcode
MLR 580 EF: Originally 20025+5437 MLR 580, but the primary is the E component
of 20021+5439 ENG 68CE.
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1873a Ma - Burnham, S.W. (BU 1 - 81) 1873MNRAS..33..351B
Bu_1873a MNRAS 33, 351, 1873
Bu_1873b Ma - Burnham, S.W. (BU 82 - 106) 1873MNRAS..33..437B
Bu_1873b MNRAS 33, 437, 1873
Bu_1873c - Burnham, S.W. 1873MNRAS..33..567B
Bu_1873c MNRAS 33, 567, 1873
Bu_1873d Ma - Burnham, S.W. (BU 107 - 182) 1873MNRAS..34...59B
Bu_1873d MNRAS 34, 59, 1873
Bu_1874a Ma - Burnham, S.W. (BU 183 - 229) 1874MNRAS..34..382B
Bu_1874a MNRAS 34, 382, 1874
Bu_1874b Ma - Burnham, S.W. (BU 230 - 300) 1874MNRAS..35...31B
Bu_1874b MNRAS 35, 31, 1874
Bu_1874c - Burnham, S.W. 1874MNRAS..34..370B
Bu_1874c MNRAS 34, 370, 1874
Bu_1874d Ma - Burnham, S.W. 1874MNRAS..34..393B
Bu_1874d MNRAS 34, 393, 1874
Bu_1874e Ma - Burnham, S.W. 1874MNRAS..35...28B
Bu_1874e MNRAS 35, 28, 1874
Bu_1875 Ma - Burnham, S.W. (BU 301 - 390) 1875AN.....86..337B
Bu_1875 AN 86, 337, 1875
Bu_1876 Ma - Burnham, S.W. (BU 391 - 436) 1876AN.....88..225B
Bu_1876 AN 88, 225, 1876
Bu_1876b - Burnham, S.W. 1876MNRAS..36...99B
Bu_1876b MNRAS 36, 99, 1876
Bu_1876c - Burnham, S.W. 1876MNRAS..36..331B
Bu_1876c MNRAS 36, 331, 1876 (no new data)
Bu_1877 Ma - Burnham, S.W. (BU 453 - 482) 1877MNRAS..38...78B
Bu_1877 MNRAS 38, 78, 1877
Bu_1878a Ma - Burnham, S.W. 1878MNRAS..38..408B
Bu_1878a MNRAS 38, 408, 1878
Bu_1878b - Burnham, S.W. 1878MNRAS..38..476B
Bu_1878b MNRAS 38, 476, 1878
Bu_1878c - Burnham, S.W. 1878MNRAS..38..478B
Bu_1878c MNRAS 38, 478, 1878
Bu_1878d Ma j Burnham, S.W. 1878AN.....92..235B
Bu_1878d AN 92, 235, 1878
Bu_1879 Ma j Burnham, S.W. 1879MmRAS..44..141B
Bu_1879 MemRAS 44, 141, 1879
Bu_1879B Ma - Burnham, S.W. 1879Obs.....3...20G
Bu_1879B cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C Ma - Burnham, S.W. 1879Obs.....3..142G
Bu_1879C cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d Ma - Burnham, S.W. 1879Obs.....3...92B
Bu_1879d Obs 3, 92, 1879
Bu_1879e Ma - Burnham, S.W. 1879MNRAS..40...99B
Bu_1879e MNRAS 40, 99, 1879
Bu_1880A Ma - Burnham, S.W. 1880Obs.....3..508G
Bu_1880A cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C Ma - Burnham, S.W. 1880Obs.....3..314G
Bu_1880C cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D Ma - Burnham, S.W. 1880Obs.....3..352G
Bu_1880D cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e Ma - Burnham, S.W. 1880Obs.....3..408B
Bu_1880e Obs 3, 408, 1880
Bu_1880f Ma - Burnham, S.W. 1880MNRAS..40..497B
Bu_1880f MNRAS 40, 497, 1880
Bu_1880g Ma - Burnham, S.W. 1880MNRAS..41...33B
Bu_1880g MNRAS 41, 33, 1880
Bu_1881 Ma j Burnham, S.W. 1881Obs.....4...19G
Bu_1881 cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a Ma - Burnham, S.W. (BU 776 - 863) 1882PWasO...1...91B
Bu_1882a Pub. Washburn Obs. 1, 91, 1882
Bu_1882b Ma - Burnham, S.W. 1882PWasO...1..113B
Bu_1882b Pub. Washburn Obs. 1, 113, 1882
Bu_1883 Ma j Burnham, S.W. (BU 864 - 1025) 1883MmRAS..47..167B
Bu_1883 MemRAS 47, 167, 1883
Bu_1883b Ma - Burnham, S.W. 1883MNRAS..43..318B
Bu_1883b MNRAS 43, 318, 1883
Bu_1884 Ma j Burnham, S.W. 1884MNRAS..44..365H
Bu_1884 MNRAS 44, 365, 1884
Bu_1884b Ma - Burnham, S.W. 1884AN....110..133B
Bu_1884b AN 110, 133, 1884
Bu_1884C Ma - Burnham, S.W. 1884AReg...22..216S
Bu_1884C cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887 Ma - Burnham, S.W. (BU 734 - 775) 1887PLicO...1...24B
Bu_1887 Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a Ma - Burnham, S.W. 1889AN....122..159B
Bu_1889a AN 122, 159, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889b Ma - Burnham, S.W. (BU 1026 - 1038) 1889AN....123....1B
Bu_1889b AN 123, 1, 1889 (measures also in Bu_1894a) 1894PLicO...2..185B
Bu_1889c Ma - Burnham, S.W. 1889AN....123...75B
Bu_1889c AN 123, 75, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889d Ma - Burnham, S.W. 1889PASP....1...36B
Bu_1889d PASP 1, 36, 1889 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1889e Ma j Burnham, S.W. 1889AN....121...63B
Bu_1889e AN 121, 63, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889f Ma j Bunham, S.W. 1889MNRAS..49..418B
Bu_1889f MNRAS 49, 418, 1889
Bu_1890a Ma - Burnham, S.W. (BU 1093 - 1154) 1889AN....124...49B
Bu_1890a AN 124, 49, 1890 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1890b Ma - Burnham, S.W. 1890AN....125...41B
Bu_1890b AN 125, 41, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1890c Ma - Burnham, S.W. 1890PASP....2..138B
Bu_1890c PASP 2, 138, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1891a orb - Burnham, S.W. 1891SidM...10..273B
Bu_1891a Sidereal Messenger 10, 273, 1891
Bu_1891b orb - Burnham, S.W. 1891Obs....14..263B
Bu_1891b Observatory 14, 263, 1891
Bu_1891c Ma j Burnham, S.W. 1891AN....127..289B
Bu_1891c AN 127, 289, 1891
Bu_1892 Ma - Burnham, S.W. (BU 1225 - 1266) 1892AN....130..257B
Bu_1892 AN 130, 257, 1892 (measures also in Bu_1894e) 1894PLicO...2..221B
Bu_1892b Ma - Burnham, S.W. 1892AN....130...77B
Bu_1892b AN 130, 77, 1892
Bu_1893a Ma - Burnham, S.W. 1893AN....131..329B
Bu_1893a AN 131, 329, 1893 (most measures also in Bu_1894) 1894PLicO...2.....B
Bu_1893b orb - Burnham, S.W. 1893MNRAS..53..478B
Bu_1893b MNRAS 53, 478, 1893
Bu_1893c orb - Burnham, S.W. 1893MNRAS..54..119B
Bu_1893c MNRAS 54, 119, 1893
Bu_1893d orb - Burnham, S.W. 1893AstAp..12..494B
Bu_1893d AstAp 12, 494, 1893
Bu_1893e orb - Burnham, S.W. 1893AstAp..12..585B
Bu_1893e AstAp 12, 585, 1893
Bu_1893f Ma - Burnham, S.W. (BU 1267 - 1274) 1893MNRAS..53..273B
Bu_1893f MNRAS 53, 273, 1893 (most measures also in Bu_1893a) 1893AN....131..329B
Bu_1893g orb - Burnham, S.W. 1893MNRAS..53..482B
Bu_1893g MNRAS 53, 482, 1893
Bu_1894 Ma j Burnham, S.W. 1894PLicO...2....3B
Bu_1894 Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) 1893AN....131..329B
Bu_1894a Ma j Burnham, S.W. (BU 1026 - 1038) 1894PLicO...2..185B
Bu_1894a Pub. Lick Obs. 2, 185, 1894
Bu_1894b Ma j Burnham, S.W. (BU 1039 - 1092) 1894PLicO...2..188B
Bu_1894b Pub. Lick Obs. 2, 188, 1894
Bu_1894c Ma - Burnham, S.W. (BU 1093 - 1154) 1894PLicO...2..197B
Bu_1894c Pub. Lick Obs. 2, 197, 1894
Bu_1894d Ma - Burnham, S.W. (BU 1155 - 1224) 1894PLicO...2..206B
Bu_1894d Pub. Lick Obs. 2, 206, 1894
Bu_1894e Ma - Burnham, S.W. (BU 1225 - 1266) 1894PLicO...2..221B
Bu_1894e Pub. Lick Obs. 2, 221, 1894
Bu_1894f Ma - Burnham, S.W. (BU 1267 - 1274) 1894PLicO...2..229B
Bu_1894f Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f) 1893MNRAS..53..273B
Bu_1894g Ma - Burnham, S.W. 1894PLicO...2..159B
Bu_1894g Pub. Lick Obs. 2, 159, 1894
Bu_1898 orb - Burnham, S.W. 1898MNRAS..59...59B
Bu_1898 MNRAS 58, 59, 1898
Bu_1900 Ma - Burnham, S.W. 1900PYerO...1....1B
Bu_1900 Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A Ma j Burnham, S.W. 1902AN....158..241E
Bu_1902A cited by Espin (AN 158, 241, 1902)
Bu_1903 Ma - Burnham, S.W. 1903PYerO...2....1B
Bu_1903 Pub. Yerkes Obs. 2, 1, 1903
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
Bu_1906B Ma - Burnham, S.W. 1906MmRAS..56....1L
Bu_1906B +orb cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907 Ma - Burnham, S.W. 1907AN....176..129B
Bu_1907 AN 176, 129, 1907 (most data in Bu_1913) 1913QB811.B8.......
Bu_1908 Ma - Burnham, S.W. 1908MNRAS..68..517B
Bu_1908 MNRAS 68, 517, 1908
Bu_1908A Ma - Burnham, S.W. 1908MNRAS..68..465B
Bu_1908A cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909 Ma - Burnham, S.W. 1909AN....180...65B
Bu_1909 AN 180, 65, 1909 (most data in Bu_1913) 1913QB811.B8.......
Bu_1909b Ma j Burnham, S.W. 1909AN....182..133B
Bu_1909b AN 182, 133, 1909
Bu_1910 Ma - Burnham, S.W. ...................
Bu_1910 Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b Ma - Burnham, S.W. 1910AN....185..145B
Bu_1910b AN 185, 145, 1910 (most data in Bu_1913) 1913QB811.B8.......
Bu_1911 - Burnham, S.W. 1911MNRAS..72..156J
Bu_1911 MNRAS 72, 156, 1911
Bu_1911b Ma j Burnham, S.W. 1911AN....189..385B
Bu_1911b AN 189, 385, 1911
Bu_1913 Ma j Burnham, S.W. 1913QB811.B8.......
Bu_1913 +Pa Carnegie Inst. Wash. #168, 1913
Bu_1913 +T
Bu_1918 Ma j Burnham, S.W. 1918AJ.....31..141B
Bu_1918 AJ 31, 141, 1918
Bu_1923A Ma - Burnham, S.W. 1923MNRAS..83..154E
Bu_1923A cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A Ma - Burnham, S.W. 1927sdsc.book......
Bu_1927A cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A Ma - Burnham, S.W. 1932QB821.A43......
Bu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A Ma - Burnham, S.W. 1963icvd.book.....J
Bu_1963A cited in IDS (Lick Index Cat.), 1963
Bu_2002A Ma - Burnham, S.W. 2002yCat.1275....0D
Bu_2002A cited in CCDM
ENG (Note: Some time after publication of the IDS, the designation for Engelmann was
ENG changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to
ENG considerable confusion between the two. All but three of the ENG pairs in the WDS
ENG (ENG 21, 39, and 68) were actually discovered by Engelhardt. These pairs were
ENG not renamed, however, in order to avoid confusion with already published measures)
Eng1865 Ma - Engelmann, R. .
Eng1865 Messungen Neunzig Doppelsternen, 1865
Eng1865b Ma - Engelmann, R. 1865AN.....64...81E
Eng1865b AN 64, 81, #1518, 1865
Eng1868 Ma j Engelmann, R. 1868AN.....70..257E
Eng1868 AN 70, 257, 1868
Eng1868b Ma j Engelmann, R. 1868AN.....71..235B
Eng1868b AN 71, 253, #1696, 1868
Eng1875A Ma - Engelmann, R. 1875AN.....85..323D
Eng1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
Eng1882 Ma j Engelmann, R. .
Eng1882 Pub. K. Univ. Sternwarte Leipzig, Heft 1, 33, 1882
Eng1882 (Most data were published in AN 70, 257, 1868. Some of the remaining measures 1868AN.....70..257E
Eng1882 were too discrepant, so not added to WDS)
Eng1885a Ma - Engelmann, R. 1885AN....111..337E
Eng1885a AN 111, 337, 1885
Eng1885b Ma j Engelmann, R. 1885AN....112..193E
Eng1885b AN 112, 193, 1885
Eng1886 Ma - Engelmann, R. 1886AN....115...81E
Eng1886 AN 115, 81, 1886
Eng1887 Ma - Engelmann, R. 1887AN....117...17E
Eng1887 AN 117, 17, 1887
Eng1905A Ma - Engelmann, R. 1905LicOB...3..147A
Eng1905A cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Eng1906A Ma - Engelmann, R. 1906MmRAS..56....1L
Eng1906A cited by Lewis (MemRAS 56, 1, 1906)
Eng1913A Ma - Engelmann, R. 1913QB811.B8.......
Eng1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Eng1937A Ma - Engelmann, R. 1937AnLei..18....1S
Eng1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Mlr1938 Ma - Muller, P. 1938JO.....21..113M
Mlr1938 +Mc J. Obs. 21, 113, 1938
Mlr1939 - Muller, P. 1939JO.....22..181M
Mlr1939 J. Obs. 22, 181, 1939 (all data published elsewhere)
Mlr1946a Ma - Muller, P. 1946JO.....29...69M
Mlr1946a +Mc J. Obs. 29, 69, 1946
Mlr1946b Mc - Muller, P. (measure by Danjon, A.) 1946JO.....29...69M
Mlr1946b J. Obs. 29, 69, 1946
Mlr1947 Ma - Muller, P. 1947JO.....30..104M
Mlr1947 +Mc J. Obs. 30, 104, 1947
Mlr1948 Md - Muller, P. 1948AnStr...5....1M
Mlr1948 Ann. Obs. Strasbourg 5, pt. 1, 1948
Mlr1948 (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1948 for measures; default date = decade of publication added.)
Mlr1949a Md - Muller, P. 1949AnStr...5....2M
Mlr1949a Ann. Obs. Strasbourg 5, pt. 2, 1949
Mlr1949a (Visual measures with double-image micrometer and 49cm refractor. No dates given
Mlr1949a for measures; default date = decade of publication added.)
Mlr1949b Mc - Muller, P. 1949JO.....32...77M
Mlr1949b J. Obs. 32, 77, 1949
Mlr1949c orb - Muller, P. 1949JO.....32...34M
Mlr1949c J. Obs. 32, 34, 1949
Mlr1950a Mc - Muller, P. 1950JO.....33...93M
Mlr1950a J. Obs. 33, 93, 1950
Mlr1950b Mc - Muller, P. 1950JO.....33..105M
Mlr1950b J. Obs. 33, 105, 1950
Mlr1951a Mc - Muller, P. 1951JO.....34...81M
Mlr1951a J. Obs. 34, 81, 1951
Mlr1951b Md - Muller, P. 1951AnStr...5....3M
Mlr1951b Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951b (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1951b for measures; default date = decade of publication added.)
Mlr1951c Md - Muller, P. 1951AnStr...5....3M
Mlr1951c Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951c (Visual measures with double-image micrometer on 23 and 60cm refractors at
Mlr1951c Pic-du-Midi. See Mlr1950b. No dates listed; default date = decade of publication.)
Mlr1952a Mc - Muller, P. 1952JO.....35...95M
Mlr1952a J. Obs. 35, 95, 1952
Mlr1952b orb - Muller, P. .
Mlr1952b Bull. Astron. Paris 16, 203-212, 1952
Mlr1952c Md - Muller, P. 1952AnStr...5....4M
Mlr1952c Ann. Obs. Strasbourg 5, pt. 4, 1952
Mlr1952c (Visual measures with double-image micrometer and various filters on 16 and 49 cm
Mlr1952c refractors at Strasbourg and 60cm at Pic-du-Midi. Measures listed as "III" are
Mlr1952c tabulated. Some of these measures are incorporated in earlier MLR lists. No dates
Mlr1952c listed; default date = decade of publication.)
Mlr1952d orb - Muller, P. .
Mlr1952d Bull. Astron. Paris 16, 263-275, 1952
Mlr1952e orb - Muller, P. .
Mlr1952e Bull. Astron. Paris 16, 277-282, 1952
Mlr1952f - Muller, P. 1952POHP....2...49M
Mlr1952f Pub. Obs. Haute Provence 2, #49, 1952
Mlr1952g Md - Muller, P. 1952JO.....35..177M
Mlr1952g +Mc J. Obs. 35, 177, 1952
Mlr1953a - Muller, P. 1953JO.....36..104M
Mlr1953a J. Obs. 36, 104, 1953
Mlr1953b Mc - Muller, P. 1953JO.....36..130M
Mlr1953b J. Obs. 36, 130, 1953
Mlr1954a Mc - Muller, P. 1954AJ.....59..388M
Mlr1954a +orb AJ 59, 388, 1954
Mlr1954b orb - Muller, P. 1954JO.....37...61M
Mlr1954b J. Obs. 37, 61-72, 1954
Mlr1954c Mc - Muller, P. 1954JO.....37..125M
Mlr1954c J. Obs. 37, 125, 1954
Mlr1954d - Muller, P. 1954JO.....37..169M
Mlr1954d J. Obs. 37, 169, 1954
Mlr1955a orb - Muller, P. 1955JO.....38...17M
Mlr1955a J. Obs. 38, 17-26, 1955
Mlr1955b orb - Muller, P. 1955JO.....38...58M
Mlr1955b J. Obs. 38, 58-64, 1955
Mlr1955c Mc - Muller, P. 1955JO.....38..221M
Mlr1955c J. Obs. 38, 221, 1955
Mlr1956a Mc - Muller, P. 1956JO.....39..127M
Mlr1956a J. Obs. 39, 127, 1956
Mlr1956b orb - Muller, P. 1956AnStr...5...29M
Mlr1956b Ann. Obs. Strasbourg 5 pt. 29, 1956
Mlr1956c orb - Muller, P. .
Mlr1956c Bull. Astron. Paris 20, 145, 1956
Mlr1956d Mc - Muller, P. 1956JO.....39..181M
Mlr1956d J. Obs. 39, 183, 1956
Mlr1957a orb - Muller, P. .
Mlr1957a Bull. Astron. Paris 21, 131, 1957
Mlr1957b orb - Muller, P. 1957JO.....40...48M
Mlr1957b J. Obs. 40, 48, 1957
Mlr1957c Mc - Muller, P. 1958JO.....40..157M
Mlr1957c J. Obs. 40, 157, 1957
Mlr1958 Mc - Muller, P. 1958JO.....41..109M
Mlr1958 J. Obs. 41, 109, 1958
Mlr1959 Mc - Muller, P. 1959JO.....42...85M
Mlr1959 J. Obs. 42, 85, 1959
Mlr1963 orb - Muller, P. .
Mlr1963 Bull. Astron. Paris 24, 1, 1963
Mlr1966a Mc - Muller, P. 1966JO.....49..335M
Mlr1966a J. Obs. 49, 335, 1966
Mlr1966b orb - Muller, P. 1966IAUDS..39....1M
Mlr1966b Inf. Circ. 39, 1, 1966
Mlr1970 Ma - Muller, P. 1970A&AS....1..399M
Mlr1970 A&AS 1, 399, 1970
Mlr1973a Ma - Muller, P. .
Mlr1973a +Mc Pub. Obs. Paris, June 1973
Mlr1973b orb - Muller, P. 1973IAUDS..59....1M
Mlr1973b Inf. Circ. 59, 1, 1973
Mlr1973c Ma - Muller, P. 1973IAUDS..60....1M
Mlr1973c Inf. Circ. 60, 1, 1973
Mlr1973d Ma - Muller, P. 1973IAUDS..61R...1M
Mlr1973d Inf. Circ. 61, 1, 1973
Mlr1974b Ma - Muller, P. 1974IAUDS..62....1M
Mlr1974b Inf. Circ. 62, 1, 1974
Mlr1974 orb - Muller, P. 1974A&AS...13...99M
Mlr1974 A&AS 13, 99, 1974
Mlr1975a Ma - Muller, P. 1975IAUDS..64....1M
Mlr1975a Inf. Circ. 64, 1, 1975
Mlr1975b Ma - Muller, P. 1975IAUDS..67....1M
Mlr1975b Inf. Circ. 67, 1, 1975
Mlr1976b Ma - Muller, P. 1976IAUDS..70....1M
Mlr1976b Inf. Circ. 70, 1, 1976
Mlr1976 Mc - Muller, P. 1976A&AS...23..205M
Mlr1976 A&AS 23, 205, 1976
Mlr1978a orb - Muller, P. 1978A&AS...32..173M
Mlr1978a A&AS 32, 173, 1978
Mlr1978b Ma - Muller, P. 1978A&AS...33..275M
Mlr1978b A&AS 33, 275, 1978
Mlr1980a Ma - Muller, P. 1980IAUDS..81....1M
Mlr1980a Inf. Circ. 81, 1, 1980
Mlr1980b Ma - Muller, P. 1980IAUDS..82....1M
Mlr1980b Inf. Circ. 82, 1, 1980
Mlr1981 Ma - Muller, P. 1981IAUDS..85....1M
Mlr1981 Inf. Circ. 85, 1, 1981
Mlr1982 Ma - Muller, P. 1982IAUDS..88....1M
Mlr1982 Inf. Circ. 88, 1, 1982
Mlr1983 Ma - Muller, P. 1983IAUDS..90....1M
Mlr1983 Inf. Circ. 90, 1, 1983
Mlr1984 Ma j Muller, P. 1984A&AS...57..467M
Mlr1984 A&AS 57, 467, 1984
Mlr1986 Ma - Muller, P. 1986IAUDS..98....1M
Mlr1986 Inf. Circ. 98, 1, 1986
Mlr1987A Ma - Muller, P. 1987A&A....70..193C
Mlr1987A cited by Couteau (A&A 70, 193, 1987)
Mlr1990 Ma j Muller, P. 1990A&AS...84..619M
Mlr1990 A&AS 84, 619, 1990
Mlr1991b orb - Muller, P. 1991O&T....28...12M
Mlr1991b Obs. et Travaux 28, 12, 1991
Mlr1991 orb - Muller, P. 1991IAUDS.115....1M
Mlr1991 Inf. Circ. 115, 1, 1991
Mlr1993 Ma j Muller, P. 1993A&AS..102..643M
Mlr1993 A&AS 102, 643, 1993
Mlr1993b - Muller, P. 1993O&T....33....9M
Mlr1993b Obs. et Travaux 33, 9, 1993
Mlr1997 Ma - Muller, P. 1997A&AS..126..273M
Mlr1997 A&AS 126, 273, 1997
Mlr2006 Ma - Muller, P. (article by P. Durand & C. Pinlou) 2006O&T....64...16D
Mlr2006 Obs. et Travaux 64, 16, 2006
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20021+5439 BU 426 AB 1999 14 307 5.8 8.53 10.50 K0 D 200207.92+543828.0
20021+5439 BU 426 AB 2010 15 307 5.9 8.53 10.50 K0 D 200207.92+543828.0
20021+5439 BU 426 AB 2011 17 306 5.7 8.53 10.50 K0 200207.92+543828.0
20021+5439 BU 426 AB 2016 18 307 5.9 8.53 10.50 K0 N 200207.92+543828.0

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WDS 20021+5439 BU 426 AB (HD 190398) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20021+5439 BU 426 AB (HD 190398) : MEASURES
 
 
No records found.

 
 
WDS 20021+5439 (HD 190398) : VIRTUAL EYEPIECE
 
 

20021+5439 BU  426A mag 8.53 Sp K0 20021+5439 BU  426B sep 4.4 P.A. 321.40 mag 10.5 20021+5439 BU  427C sep 163.3 P.A. 52.50 mag 8.39 Sp F2III 20021+5439 BU  427D sep 164.5 P.A. 51.50 mag 10.18 20021+5439 MLR 580E sep 196.6 P.A. 104.40 mag 8.9 Sp K5 20021+5439 MLR 580F sep 196.9 P.A. 104.50 mag 13.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 20021+5439 (HD 190398) : ALADIN DSS IMAGE @ 20h 02m 07.92s +54° 38' 28.0"
 
 
 
 
WDS 20021+5439 BU 426 AB (HD 190398) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20021+5439  BU  426AB distance=0' 20021+5439  BU  427CD distance=3' 20021+5439  ENG  68CE distance=3' 20021+5439  MLR 580EF distance=4' 20041+5428  STI2497 distance=21' 19596+5451  STI2491 distance=25' 20050+5426  MGN   1 distance=29' 20034+5515  HJ 1480 distance=39' 19575+5442  STI2487 distance=41' 19577+5423  STI2488 distance=41' 20071+5431  TDT1991 distance=44' 20020+5523  STI2495 distance=45' 19569+5434  STI2484 distance=46' 19573+5501  TDT1873 distance=48' 20048+5522  STI2499 distance=50' 19562+5427  STI2478 distance=53' 19592+5526  STI2490 distance=54' 20086+5444  STI2504 distance=56' 19581+5355  ARG  35 distance=56' 19560+5419  ES  985 distance=58' 20007+5540  STI2492 distance=63' 20021+5541  TDT1926 distance=63' 20042+5546  STI2498 distance=70' 20084+5524  STI2503 distance=71' 20103+5452  TDT2043 distance=73' 19531+5430  STI2471CD distance=79' 19531+5430  STI2471AB distance=80' 19531+5430  STI2471AB,CD distance=80' 20112+5422  STI2509 distance=81' 20034+5318  TOI1310 distance=82' 19587+5555  STI2489 distance=83' 19564+5546  STI2480 distance=85' 19558+5545  STI2476 distance=87' 19520+5448  TDT1809 distance=89' 20091+5546  STI2505 distance=90' 20124+5447  TDT2082 distance=90' 19550+5547  STI2474 distance=93' 20082+5556  STI2502 distance=93' 20062+5310  ENG  70 distance=96' 20057+5610  STI2500 distance=97' 20087+5320  A  1417 distance=98' 20129+5408  TDT2092 distance=99' 20134+5416  STI2514 distance=101' 20124+5354  HDS2880 distance=101' 20116+5539  STI2511 distance=101' 19565+5608  STI2483 distance=102' 19504+5425  TDT1792 distance=103' 20140+5428  TDT2108 distance=104' 19520+5536  STI2467 distance=105' 19501+5439  STF2598 distance=105' 19541+5558  STI2473 distance=105' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20021+5439 BU 426 AB 306 5.9
Show 20021+5439 BU 426 AC 53 163.2
Show 20021+5439 BU 427 CD 336 3.1 3
Show 20021+5439 ENG 68 CE 158 160.3 3
Show 20021+5439 MLR 580 EF 159 0.6 4
Show 20041+5428 STI2497 30 12.5 21
Show 19596+5451 STI2491 233 9.7 25
Show 20050+5426 MGN 1 115 188.5 29
Show 20034+5515 HJ 1480 97 14.3 39
Show 19575+5442 STI2487 229 6.7 41
Show 19577+5423 STI2488 4 8.7 41
Show 20071+5431 TDT1991 333 2.0 44
Show 20020+5523 STI2495 178 5.5 45
Show 19569+5434 STI2484 29 7.8 46
Show 19573+5501 TDT1873 38 1.7 48
Show 20048+5522 STI2499 143 9.0 50
Show 19562+5427 STI2478 152 14.7 53
Show 19592+5526 STI2490 18 8.0 54
Show 20086+5444 STI2504 64 11.3 56
Show 19581+5355 ARG 35 227 7.4 56
Show 19560+5419 ES 985 291 3.1 58
Show 20007+5540 STI2492 154 3.9 63
Show 20021+5541 TDT1926 194 2.7 63
Show 20042+5546 STI2498 119 13.8 70
Show 20084+5524 STI2503 159 10.8 71
Show 20103+5452 TDT2043 36 2.1 73
Show 19531+5430 STI2471 CD 299 10.5 79
Show 19531+5430 STI2471 AB 113 11.7 80
Show 19531+5430 STI2471 AB,CD 358 141.8 80
Show 20112+5422 STI2509 257 7.8 81
Show 20034+5318 TOI1310 123 9.4 82
Show 19587+5555 STI2489 303 10.5 83
Show 19564+5546 STI2480 257 3.6 85
Show 19558+5545 STI2476 354 10.5 87
Show 19520+5448 TDT1809 296 1.0 89
Show 20091+5546 STI2505 15 10.2 90
Show 20124+5447 TDT2082 349 2.2 90
Show 19550+5547 STI2474 93 4.0 93
Show 20082+5556 STI2502 65 14.9 93
Show 20062+5310 ENG 70 136 170.0 96
Show 20057+5610 STI2500 195 7.5 97
Show 20087+5320 A 1417 173 0.6 98
Show 20129+5408 TDT2092 230 0.6 99
Show 20134+5416 STI2514 203 7.9 101
Show 20124+5354 HDS2880 274 0.1 101
Show 20116+5539 STI2511 337 13.1 101
Show 19565+5608 STI2483 58 6.0 102
Show 19504+5425 TDT1792 146 0.6 103
Show 20140+5428 TDT2108 311 0.8 104
Show 19520+5536 STI2467 138 3.0 105
Show 19501+5439 STF2598 150 11.9 105

 
 
WDS 20021+5439 : COMPONENTS
 
 
  A B C D E
B pa=321.4°
sep=4.40"
 
C pa=52.5°
sep=163.35"
pa=54.0°
sep=163.50"
 
D pa=51.5°
sep=164.53"
pa=53.1°
sep=164.60"
pa=345.7°
sep=2.92"
 
E pa=104.4°
sep=196.63"
pa=105.1°
sep=200.16"
pa=157.7°
sep=160.29"
pa=157.8°
sep=163.19"
 
F pa=104.5°
sep=196.88"
pa=105.3°
sep=200.41"
pa=157.7°
sep=160.83"
pa=157.9°
sep=163.72"
pa=167.5°
sep=0.54"
 
 
20021+5439 A
 
 
Name HD 190398 Coord arcsec 2000 200207.92+543828.0 Mag 8.53 Spectral class K0 (yellow-orange)
PmRA 16.00 PmDE 18.0 Tycho2 3940-00110-1 HD 190398
Tycho2
Tycho2 3940-00110-1 Pflag RAmdeg 300.53302714 DEmdeg 54.64113018
PmRA 17.4 PmDE 16.3 E RAmdeg 7 E DEmdeg 7
E pmRA 1.6 E pmDE 1.7 EpRAm 1991.39 EpDEm 1991.38
Num 5 Q RAmdeg 2.1 Q DEmdeg 0.9 Q pmRA 2.1
Q pmDE 0.8 BTmag 9.421 E BTmag 0.019 VTmag 8.533
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 300.53295750 DEdeg 54.64109222 EpRA 1990 1.68
EpDE 1990 1.64 E RAdeg 7.3 E DEdeg 7.4 Posflg
Corr 0.0
 
 
20021+5439 B
 
 
Coord arcsec 2000 200207.60+543831.4 Mag 10.5 PmRA 0.00 PmDE 0.0
Calc delta mag 1.97 Calc coord yes
 
 
20021+5439 C
 
 
Coord arcsec 2000 200222.85+544007.5 Coord calc 200222.85+544007.5 Mag 8.39 Spectral class F2III (yellow-white)
PmRA 1.00 PmDE -6.0 SAO 32226 Tycho2 3940-00754-1
HD 190464 DM BD+54 2277 Calc delta mag 0.14
Tycho2
Tycho2 3940-00754-1 Pflag RAmdeg 300.59524957 DEmdeg 54.66876418
PmRA 1.9 PmDE -6.3 E RAmdeg 6 E DEmdeg 6
E pmRA 1.5 E pmDE 1.6 EpRAm 1991.38 EpDEm 1991.35
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.775 E BTmag 0.017 VTmag 8.388
E VTmag 0.013 Prox 32 TYC T HIP
CCDM RAdeg 300.59524194 DEdeg 54.66877889 EpRA 1990 1.65
EpDE 1990 1.60 E RAdeg 6.1 E DEdeg 6.3 Posflg D
Corr 0.0
SAO
SAO 32226 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.015 Vmag 8.1 SpType F0
Double code Source 37 CatNum 6339 DM BD+54 2277
DMcomp BDsup HD 190464 M HD 0
GC RA1950rad 5.24108535 DE1950rad 0.95169076 PmRA2000 0.0004
PmDE2000 0.013
 
 
20021+5439 D
 
 
Coord arcsec 2000 200222.77+544010.3 Mag 10.18 PmRA 0.00 PmDE 0.0
Calc delta mag 1.65 Calc coord yes
 
 
20021+5439 E
 
 
Coord arcsec 2000 200229.86+543739.2 Coord calc 200229.86+543739.2 Mag 8.9 Spectral class K5 (yellow-orange)
PmRA 13.00 PmDE 18.0 SAO 32230 Tycho2 3940-00818-1
HD 235089 DM BD+54 2278 Calc delta mag 0.37
Tycho2
Tycho2 3940-00818-1 Pflag RAmdeg 300.62446195 DEmdeg 54.62756816
PmRA 11.3 PmDE 20.0 E RAmdeg 10 E DEmdeg 11
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.56 EpDEm 1990.39
Num 8 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.6
Q pmDE 1.0 BTmag 10.190 E BTmag 0.027 VTmag 8.918
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 300.62441694 DEdeg 54.62752111 EpRA 1990 1.64
EpDE 1990 1.62 E RAdeg 10.1 E DEdeg 10.5 Posflg
Corr 0.0
SAO
SAO 32230 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 0.016 Vmag 8.2 SpType K5
Double code Source 37 CatNum 6340 DM BD+54 2278
DMcomp BDsup HD 235089 M HD 0
GC RA1950rad 5.24158016 DE1950rad 0.95096195 PmRA2000 0.0023
PmDE2000 0.015
 
 
20021+5439 F
 
 
Coord arcsec 2000 200229.87+543738.7 Mag 13.2 Calc delta mag 4.67 Calc coord yes