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Current system
20551+3941
MLB 886


Nearby doubles
4' : 20553+3944
SEI1315

5' : 20555+3940
MLB 783

9' : 20549+3933
BKO 471

9' : 20545+3937
BRT2281

10' : 20555+3932
BKO 472

12' : 20547+3929
GRV 395

13' : 20550+3929
SEI1311

13' : 20558+3951
LDS2469

15' : 20544+3929
BKO 469

19' : 20566+3932
SEI1325

21' : 20559+3922
MLB 957

23' : 20559+3921
MLB 958

24' : 20577+3943
COU2429

24' : 20531+3940
SEI1292

24' : 20556+4004
TDT2634

26' : 20552+3915
MLB 782AB

27' : 20550+3914
ES 1983

28' : 20546+3914
MLB 780AB

28' : 20549+3913
MLB 781

29' : 20569+3922
SEI1326

30' : 20556+3912
SEI1319

30' : 20556+3911
MLB 784

31' : 20554+3910
ES 1984

31' : 20571+3920
BKO 473

32' : 20572+3920
BKO 474

32' : 20555+3909
MLB 887



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.

20551+3941 MLB 886

 
 
20h 55m 07.79s +39° 40' 51.8" P.A. 141.00 sep 7.0 mag 10.00,11.00
 
 
Coord 2000 20551+3941 Discov num MLB 886 Comp Coord arcsec 2000 20 55 07.79 +39 40 51.8
Date first 1933 Date last 2015 Obs 9
Pa first 141 Pa last 141.2 P.A. Now (θ) 141.2°
Sep first 6.8 Sep last 6.957 Sep. Now (ρ) 6.957"
Mag pri 10.00 Mag sec 11.00 delta mag (ΔM) 1 Spectral class
Pri motion ra -005 Sec motion ra -001
Pri motion dec -008 Sec motion dec -007
Notes
rPM=0.437
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872908248507687936
 
 
WDS 20551+3941 MLB 886 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mlb1918 Mb - Milburn, W. (Espin, T.E.) 1918MNRAS..78..189E
Mlb1918 MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919 Mb - Milburn, W. (Espin, T.E.) 1919MNRAS..79..211E
Mlb1919 MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920 Mb - Milburn, W. 1920MNRAS..80..329M
Mlb1920 MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921 Mb - Milburn, W. 1921MNRAS..81..232E
Mlb1921 MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922 Mb j Milburn, W. (Espin, T.E.) 1922MNRAS..82..187E
Mlb1922 MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923 Mb - Milburn, W. 1923MNRAS..83..154E
Mlb1923 MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924 Mb - Milburn, W. 1924MNRAS..84..162E
Mlb1924 MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925 Mb j Milburn, W. 1925MNRAS..85..276E
Mlb1925 MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926 Mb - Milburn, W. 1926MNRAS..86..131E
Mlb1926 MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927 Mb j Milburn, W. 1927MNRAS..87..215E
Mlb1927 +Po MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928 Mb - Milburn, W. 1928MNRAS..88..185E
Mlb1928 MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929 Mb - Milburn, W. 1929MNRAS..89..268E
Mlb1929 MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930 Mb - Milburn, W. 1930MNRAS..90..317E
Mlb1930 MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931 Mb j Milburn, W. 1931MNRAS..91..294E
Mlb1931 MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932 Ma - Milburn, W. 1932MNRAS..92..214E
Mlb1932 +Mb MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B Ma - Milburn, W. 1932QB821.A43......
Mlb1932B cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933 Ma j Milburn, W. 1933MNRAS..93..192E
Mlb1933 +Mb MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934 Mb j Milburn, W. 1934MNRAS..94..255M
Mlb1934 MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935 Mb j Milburn, W. 1935MNRAS..95..298M
Mlb1935 MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936 Mb - Milburn, W. 1936MNRAS..96..266M
Mlb1936 MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937 Ma - Milburn, W. 1937MNRAS..97..222M
Mlb1937 +Mb MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938 Ma - Milburn, W. 1938MNRAS..98..223M
Mlb1938 +Mb MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939 Mb - Milburn, W. 1939MNRAS..99..278M
Mlb1939 MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999 Mb - Milburn, W. ...................
Mlb9999 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
20551+3941 MLB 886 1998 2 142 7.0 10.00 11.00 D 205507.79+394051.8
20551+3941 MLB 886 2008 3 140 6.9 10.00 11.00 D 205507.79+394051.8
20551+3941 MLB 886 2010 5 143 6.2 10.00 11.00 205507.79+394051.8
20551+3941 MLB 886 2015 6 141 7.0 10.00 11.00 205507.79+394051.8

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

 
 
WDS 20551+3941 MLB 886 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20551+3941 MLB 886 : MEASURES
 
 
No records found.

 
 
WDS 20551+3941 : VIRTUAL EYEPIECE
 
 

20551+3941 MLB 886A mag 10 20551+3941 MLB 886B sep 6.4 P.A. 148.30 mag 11 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 20551+3941 : ALADIN DSS IMAGE @ 20h 55m 07.79s +39° 40' 51.8"
 
 
 
 
WDS 20551+3941 MLB 886 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20551+3941 MLB 886 distance=0' 20553+3944 SEI1315 distance=4' 20555+3940 MLB 783 distance=5' 20549+3933 BKO 471 distance=9' 20545+3937 BRT2281 distance=9' 20555+3932 BKO 472 distance=10' 20547+3929 GRV 395 distance=12' 20550+3929 SEI1311 distance=13' 20558+3951 LDS2469 distance=13' 20544+3929 BKO 469 distance=15' 20566+3932 SEI1325 distance=19' 20559+3922 MLB 957 distance=21' 20559+3921 MLB 958 distance=23' 20577+3943 COU2429 distance=24' 20531+3940 SEI1292 distance=24' 20556+4004 TDT2634 distance=24' 20552+3915 MLB 782AB distance=26' 20552+3915 SEI1313AC distance=26' 20550+3914 ES 1983 distance=27' 20546+3914 BKO 470BC distance=28' 20546+3914 MLB 780AB distance=28' 20549+3913 MLB 781 distance=28' 20569+3922 SEI1326 distance=29' 20556+3912 SEI1319 distance=30' 20556+3911 MLB 784 distance=30' 20554+3910 ES 1984 distance=31' 20571+3920 BKO 473 distance=31' 20572+3920 BKO 474 distance=32' 20555+3909 MLB 887 distance=32' 20528+3925 SEI1290 distance=32' 20577+3926 SEI1334 distance=34' 20554+3907 TDT2629 distance=35' 20578+3923 BKO 475 distance=37' 20558+3905 MLB 956 distance=37' 20556+3901 HJ 1596 distance=41' 20587+3942 BKO 477 distance=41' 20580+3918 BKO 476BD distance=41' 20580+3918 ES 1985AB distance=41' 20580+3918 SEI1338AC distance=41' 20546+3900 SEI1308 distance=42' 20515+3944 DAM 317AB distance=43' 20515+3944 DAM 317AC distance=43' 20562+3900 ES 2055 distance=43' 20514+3945 MLB 779AB distance=44' 20514+3945 DAM 316AC distance=44' 20514+3945 DAM 316AD distance=44' 20520+4009 MLB 955 distance=45' 20590+3945 SEI1349 distance=45' 20587+3922 BKO 478 distance=46' 20556+3856 MLB 785 distance=46' 20589+3931 SEI1348 distance=46' 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 20551+3941 MLB 886 141 7.0
Show 20553+3944 SEI1315 281 29.0 4
Show 20555+3940 MLB 783 288 5.6 5
Show 20549+3933 BKO 471 171 5.5 9
Show 20545+3937 BRT2281 73 3.6 9
Show 20555+3932 BKO 472 67 5.7 10
Show 20547+3929 GRV 395 211 59.7 12
Show 20550+3929 SEI1311 247 8.8 13
Show 20558+3951 LDS2469 2 3.3 13
Show 20544+3929 BKO 469 328 4.7 15
Show 20566+3932 SEI1325 140 27.8 19
Show 20559+3922 MLB 957 134 2.8 21
Show 20559+3921 MLB 958 169 5.3 23
Show 20577+3943 COU2429 209 0.8 24
Show 20531+3940 SEI1292 205 24.8 24
Show 20556+4004 TDT2634 54 1.9 24
Show 20552+3915 MLB 782 AB 344 10.3 26
Show 20552+3915 SEI1313 AC 260 26.9 26
Show 20550+3914 ES 1983 266 6.1 27
Show 20546+3914 BKO 470 BC 280 2.9 28
Show 20546+3914 MLB 780 AB 64 9.6 28
Show 20549+3913 MLB 781 296 8.6 28
Show 20569+3922 SEI1326 14 26.6 29
Show 20556+3912 SEI1319 70 32.1 30
Show 20556+3911 MLB 784 25 4.6 30
Show 20554+3910 ES 1984 115 3.5 31
Show 20571+3920 BKO 473 34 5.4 31
Show 20572+3920 BKO 474 24 3.3 32
Show 20555+3909 MLB 887 246 10.4 32
Show 20528+3925 SEI1290 222 14.2 32
Show 20577+3926 SEI1334 106 16.9 34
Show 20554+3907 TDT2629 163 2.5 35
Show 20578+3923 BKO 475 265 5.5 37
Show 20558+3905 MLB 956 115 5.0 37
Show 20556+3901 HJ 1596 295 18.2 41
Show 20587+3942 BKO 477 8 7.6 41
Show 20580+3918 BKO 476 BD 246 6.0 41
Show 20580+3918 ES 1985 AB 276 8.4 41
Show 20580+3918 SEI1338 AC 277 32.7 41
Show 20546+3900 SEI1308 93 6.0 42
Show 20515+3944 DAM 317 AB 95 14.8 43
Show 20515+3944 DAM 317 AC 357 15.2 43
Show 20562+3900 ES 2055 293 7.6 43
Show 20514+3945 MLB 779 AB 124 9.0 44
Show 20514+3945 DAM 316 AC 79 6.3 44
Show 20514+3945 DAM 316 AD 304 13.8 44
Show 20520+4009 MLB 955 27 6.6 45
Show 20590+3945 SEI1349 160 27.9 45
Show 20587+3922 BKO 478 75 7.9 46
Show 20556+3856 MLB 785 5 6.4 46
Show 20589+3931 SEI1348 295 26.4 46

 
 
WDS 20551+3941 : COMPONENTS
 
 
  A
B pa=148.3°
sep=6.38"
 
 
20551+3941 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205507.79+394051.8 Mag 10 PmRA -5.00
PmDE -8.0
 
 
20551+3941 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205508.08+394046.4 Mag 11 PmRA -1.00
PmDE -7.0 Calc delta mag 1 Calc coord yes