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Current system
20422+5020
BU 675 AD


Nearby doubles
7' : 20421+5013
ES 91AB

26' : 20449+5023
SKF2395

29' : 20441+5043
LEP 171

38' : 20383+5023
HU 588AB

39' : 20457+5040
STT 412AB

41' : 20380+5025
DAM 294

43' : 20378+5018
DAM 293

45' : 20465+5005
HDS2958

45' : 20376+5028
L 49

45' : 20466+5004
HDS2959

46' : 20457+4951
TDT2521

52' : 20418+4929
HEI 910

59' : 20434+4923
STJ 111

62' : 20486+5029
BU 366AB

62' : 20379+5106
ES 88AB

62' : 20367+5053
HLD 39AB

63' : 20438+4921
HEI 911

65' : 20425+4916
ARG 39AB

68' : 20483+5054
ES 998

73' : 20496+5008
ES 94AB

75' : 20496+5047
HDS2968

76' : 20499+5036
CBL 87

76' : 20347+4957
ES 2696

77' : 20356+5104
TDT2400

82' : 20406+4900
ES 509

85' : 20349+5109
ES 990



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.

20422+5020 BU 675 AD

 
 
20h 42m 12.63s +50° 20' 24.1" P.A. 329.00 sep 33.3 mag 5.38,11.40 Sp B2V dist. 390.63 pc (1274.24 l.y.)
 
 
Coord 2000 20422+5020 Discov num BU  675 Comp AD Coord arcsec 2000 20 42 12.63 +50 20 24.1
Date first 1878 Date last 2015 Obs 10
Pa first 328 Pa last 329.2 P.A. Now (θ) 329.2°
Sep first 32.9 Sep last 33.266 Sep. Now (ρ) 33.266"
Mag pri 5.38 Mag sec 11.40 delta mag (ΔM) 6.02 Spectral class B2V (blue-white)
Pri motion ra +002 Sec motion ra +009
Pri motion dec +002 Sec motion dec +005
Notes N (See Notes)
rPM=0.74
Nature of this double is uncertain.
 
 
20422+5020 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 51 Cyg 32809 20 42 13 +50 20 24 BU 675 AB 2015 9 102 3.3 5.38 12.40 7.02
Show 32809 20 42 13 +50 20 24 BU 675 AC 2015 11 185 28.8 5.38 11.40 6.02
Show 32809 20 42 13 +50 20 24 BU 675 AD 2015 10 329 33.3 5.38 11.40 6.02 <===
Show 32809 20 42 13 +50 20 24 BU 675 AE 2015 12 240 72.0 5.38 10.64 5.26
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32809 HIP 102177 Tycho2 3582-02132-1
Gaia DR2 2180349566689555200 HD 197511 HR 7929 GC 28865
ADS 14189 BD BD+49 3353 Flamsteed 51 Cygni Flamsteed name 51 Cyg
Distance 390.63 Distance ly 1274.24
 
 
WDS 20422+5020 BU 675 AD : NOTES
 
 
discov_num notes refcode
BU 675 51 Cyg.
 
 
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20422+5020 BU 675 AD 1999 7 329 33.5 5.38 11.40 B2V N D 204212.63+502024.1
20422+5020 BU 675 AD 2003 8 330 33.9 5.38 11.40 B2V N D 204212.63+502024.1
20422+5020 BU 675 AD 2013 9 329 33.1 5.38 11.40 B2V N 204212.63+502024.1
20422+5020 BU 675 AD 2015 10 329 33.3 5.38 11.40 B2V N 204212.63+502024.1

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

 
 
WDS 20422+5020 BU 675 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20422+5020 BU 675 AD : MEASURES
 
 
No records found.

 
 
WDS 20422+5020 : VIRTUAL EYEPIECE
 
 

20422+5020 BU 675A mag 5.38 Sp B2V 20422+5020 BU 675B sep 2.1 P.A. 107.70 mag 12.4 20422+5020 BU 675C sep 28.8 P.A. 183.10 mag 11.4 20422+5020 BU 675D sep 30.6 P.A. 339.20 mag 11.4 20422+5020 BU 675E sep 53.8 P.A. 227.60 mag 10.64 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 20422+5020 : ALADIN DSS IMAGE @ 20h 42m 12.63s +50° 20' 24.1"
 
 
 
 
WDS 20422+5020 BU 675 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20422+5020 BU 675AD distance=0' 20421+5013 ES 91AB distance=7' 20421+5013 ES 91AC distance=7' 20421+5013 ES 91BC distance=7' 20449+5023 SKF2395 distance=26' 20441+5043 LEP 171 distance=29' 20383+5023 HU 588AB distance=38' 20457+5040 STT 412BC distance=39' 20457+5040 STT 412AB distance=39' 20457+5040 STT 412AC distance=39' 20380+5025 DAM 294 distance=41' 20378+5018 DAM 293 distance=43' 20465+5005 HDS2958 distance=45' 20376+5028 L 49 distance=45' 20466+5004 HDS2959 distance=45' 20457+4951 TDT2521 distance=46' 20418+4929 HEI 910 distance=52' 20434+4923 STJ 111 distance=59' 20379+5106 KPP4397CD distance=61' 20379+5106 KPP4397BC distance=62' 20486+5029 BU 366AB distance=62' 20486+5029 BU 366AC distance=62' 20379+5106 ES 88AB distance=62' 20379+5106 KPP4397AC distance=62' 20367+5053 HEI 879Aa,Ab distance=62' 20367+5053 HLD 39AB distance=62' 20486+5029 D 23CD distance=63' 20438+4921 HEI 911 distance=63' 20425+4916 ARG 39AB distance=65' 20425+4916 ARG 39AF distance=65' 20425+4916 ARG 39AG distance=65' 20425+4916 ARG 39BC distance=65' 20425+4916 ARG 39BD distance=65' 20425+4916 ARG 39BE distance=65' 20483+5054 ES 998 distance=68' 20496+5008 ES 94AB distance=73' 20496+5008 GUI 34AD distance=73' 20496+5008 ES 94BC distance=73' 20496+5047 HDS2968 distance=75' 20499+5036 CBL 87 distance=76' 20347+4957 ES 2696 distance=76' 20356+5104 TDT2400 distance=77' 20406+4900 ES 509 distance=82' 20349+5109 ES 990 distance=85' 20441+4856 HEI 912 distance=86' 20405+4855 ES 807 distance=87' 20470+4901 HDS2962 distance=92' 20379+5144 OSO 128AB distance=94' 20379+5144 OSO 128AC distance=94' 20330+4950 MCA 61AB distance=94' 20330+4950 RBR 49AC distance=94' 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 20422+5020 BU 675 AB 102 3.3
Show 20422+5020 BU 675 AC 185 28.8
Show 20422+5020 BU 675 AD 329 33.3
Show 20422+5020 BU 675 AE 240 72.0
Show 20421+5013 ES 91 AB 189 4.6 7
Show 20421+5013 ES 91 AC 235 17.6 7
Show 20421+5013 ES 91 BC 247 14.8 7
Show 20449+5023 SKF2395 204 4.1 26
Show 20441+5043 LEP 171 172 4.4 29
Show 20383+5023 HU 588 AB 245 2.0 38
Show 20457+5040 STT 412 BC 186 5.0 39
Show 20457+5040 STT 412 AB 279 26.0 39
Show 20457+5040 STT 412 AC 268 26.2 39
Show 20380+5025 DAM 294 258 4.1 41
Show 20378+5018 DAM 293 286 4.8 43
Show 20465+5005 HDS2958 334 0.1 45
Show 20376+5028 L 49 82 4.1 45
Show 20466+5004 HDS2959 21 0.5 45
Show 20457+4951 TDT2521 236 0.3 46
Show 20418+4929 HEI 910 201 1.6 52
Show 20434+4923 STJ 111 64 0.9 59
Show 20379+5106 KPP4397 CD 35 2.2 61
Show 20379+5106 KPP4397 BC 201 49.0 62
Show 20486+5029 BU 366 AB 130 1.5 62
Show 20486+5029 BU 366 AC 105 51.1 62
Show 20379+5106 ES 88 AB 127 7.8 62
Show 20379+5106 KPP4397 AC 193 51.7 62
Show 20367+5053 HEI 879 Aa,Ab 137 0.1 62
Show 20367+5053 HLD 39 AB 174 7.5 62
Show 20486+5029 D 23 CD 5 1.7 63
Show 20438+4921 HEI 911 125 2.4 63
Show 20425+4916 ARG 39 AB 184 15.4 65
Show 20425+4916 ARG 39 AF 258 34.4 65
Show 20425+4916 ARG 39 AG 341 52.4 65
Show 20425+4916 ARG 39 BC 100 35.4 65
Show 20425+4916 ARG 39 BD 241 21.1 65
Show 20425+4916 ARG 39 BE 55 44.1 65
Show 20483+5054 ES 998 176 3.2 68
Show 20496+5008 ES 94 AB 15 102.7 73
Show 20496+5008 GUI 34 AD 58 86.9 73
Show 20496+5008 ES 94 BC 79 2.5 73
Show 20496+5047 HDS2968 69 0.3 75
Show 20499+5036 CBL 87 2 25.0 76
Show 20347+4957 ES 2696 147 12.2 76
Show 20356+5104 TDT2400 43 1.2 77
Show 20406+4900 ES 509 285 8.6 82
Show 20349+5109 ES 990 299 2.6 85
Show 20441+4856 HEI 912 201 1.7 86
Show 20405+4855 ES 807 154 3.9 87
Show 20470+4901 HDS2962 222 0.1 92
Show 20379+5144 OSO 128 AB 58 8.9 94

 
 
WDS 20422+5020 : COMPONENTS
 
 
  A B C D
B pa=107.7°
sep=2.15"
 
C pa=183.1°
sep=28.78"
pa=187.4°
sep=28.31"
 
D pa=339.2°
sep=30.57"
pa=336.1°
sep=31.96"
pa=350.8°
sep=58.06"
 
E pa=227.6°
sep=53.79"
pa=229.6°
sep=54.89"
pa=258.9°
sep=38.91"
pa=204.0°
sep=70.95"
 
 
20422+5020 A
 
 
Name 51 Cyg Coord arcsec 2000 204212.63+502024.1 Mag 5.38 Spectral class B2V (blue-white)
PmRA -3.00 PmDE 2.0 SAO 32809 HIP 102177
Tycho2 3582-02132-1 HD 197511 HR 7929 GC 28865
BD BD+49 3353 Flamsteed 51 Cygni Flamsteed name 51 Cyg
Tycho2
Tycho2 3582-02132-1 Pflag RAmdeg 310.55262568 DEmdeg 50.34002750
PmRA 3.8 PmDE 2.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.59 EpDEm 1991.55
Num 12 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 5.260 E BTmag 0.014 VTmag 5.383
E VTmag 0.009 Prox 721 TYC T HIP 102177
CCDM RAdeg 310.55261222 DEdeg 50.34002278 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.0
SAO
SAO 32809 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.007 Vmag 5.4 SpType B3
Double code Source 70 CatNum 28865 DM BD+49 3353
DMcomp BDsup HD 197511 M HD 0
GC 28865 RA1950rad 5.41343361 DE1950rad 0.87545302 PmRA2000 0.0003
PmDE2000 0.005
Hipparcos
Catalog H HIP 102177 Proxy RAhms 20 42 12.63
DEdms +50 20 24.1 Vmag 5.41 VarFlag R Vmag H
RAdeg 310.553 DEdeg 50.34 AstroRef Plx 3.53
CCDM 20422+5020 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 197511 BD BD+49 3353
CD CP Dm number +49 3353 VIred -0.09
SpType B2V R SpType Coord arcsec 2000 204212.63+502024.1
Hipparcos 2
HIP 102177 Sn 1 So 1 Nc 1
RArad 5.42016556 DErad 0.8785991072 Plx 2.56 PmRA 1.94
PmDE 1.84 E RArad 0.4 E DErad 0.36 E Plx 0.44
E pmRA 0.47 E pmDE 0.4 Hpmag 5.3772 E Hpmag 0.001
SHp 0.007 VA 0 BV -0.107 E BV 0.004
VI -0.09
CCDM
Ccdm 20422+5020 RComp Comp A Note1
Note2 Discov num DRAs 0.61 DDEs 24.0
R dRAs 10 Year Theta Rho
Obs 5 Vmag 5.4 Sp B3 PmNote *
PmRA -3 PmDE 4 Dm number +49 3353 Cat1 BD
Name2 +50 1537 Cat2 AGK2/3 HD 197511 M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959A
HIC 102177
 
 
20422+5020 B
 
 
Coord arcsec 2000 204212.84+502023.4 Mag 12.4 Calc delta mag 7.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp B Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 102 Rho 3.0
Obs 7 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959B
HIC 102177
 
 
20422+5020 C
 
 
Coord arcsec 2000 204212.47+501955.4 Mag 11.4 PmRA -6.00 PmDE -29.0
Calc delta mag 6.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp C Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 182 Rho 25.7
Obs 7 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959C
HIC
 
 
20422+5020 D
 
 
Coord arcsec 2000 204211.49+502052.7 Mag 11.4 PmRA 9.00 PmDE 5.0
Calc delta mag 6.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp D Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 329 Rho 32.8
Obs 5 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959D
HIC
 
 
20422+5020 E
 
 
Coord arcsec 2000 204208.48+501947.9 Mag 10.64 PmRA 5.00 PmDE 0.0
Calc delta mag 5.26 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp E Note1
Note2 Discov num BU 675 DRAs -5.90 DDEs -11.2
R dRAs 10 Year 1916 Theta 240 Rho 72.3
Obs 1 Vmag Sp PmNote *
PmRA 1 PmDE 15 Dm number Cat1
Name2 +50 1536 Cat2 AGK2/3 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959E
HIC