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Current system
21111+3918
MLB 892


Nearby doubles
2' : 21110+3919
MLB 891

8' : 21112+3925
COU1969

12' : 21102+3923
ALI 963

13' : 21108+3906
GUR 4

16' : 21118+3931
ES 1992

19' : 21126+3915
MLB 893

20' : 21110+3859
GUR 5

23' : 21112+3855
ES 1991

23' : 21128+3907
SEI1447

24' : 21094+3905
GUR 1

27' : 21097+3856
COU1967

28' : 21105+3851
SEI1429

29' : 21132+3904
TDT2833AB

31' : 21130+3858
ES 257

33' : 21130+3854
GUR 15

35' : 21102+3844
SEI1426

37' : 21126+3846
COU2136

37' : 21113+3841
GUR 7AB

38' : 21114+3840
GUR 8

39' : 21086+3942
ALI1154

41' : 21091+3844
S 779

44' : 21105+4000
ALI1155

44' : 21120+4000
TDT2817

47' : 21098+4001
GRV 430AB

47' : 21125+3834
SEI1445

47' : 21148+3901
ALI 966



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.

21111+3918 MLB 892

 
 
21h 11m 04.80s +39° 17' 42.3" P.A. 188.00 sep 4.3 mag 9.90,11.20
 
 
Coord 2000 21111+3918 Discov num MLB 892 Comp Coord arcsec 2000 21 11 04.80 +39 17 42.3
Date first 1933 Date last 2016 Obs 6
Pa first 190 Pa last 187.6 P.A. Now (θ) 187.6°
Sep first 3.9 Sep last 4.31 Sep. Now (ρ) 4.31"
Mag pri 9.90 Mag sec 11.20 delta mag (ΔM) 1.3 Spectral class
Pri motion ra -007 Sec motion ra -029
Pri motion dec -002 Sec motion dec -045
Notes
rPM=0.902
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1968104892945096576
 
 
WDS 21111+3918 MLB 892 : 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
21111+3918 MLB 892 1998 2 188 4.5 9.90 11.20 D 211104.80+391742.3
21111+3918 MLB 892 2002 3 188 4.4 9.90 11.20 D 211104.80+391742.3
21111+3918 MLB 892 2010 4 185 3.8 9.90 11.20 211104.80+391742.3
21111+3918 MLB 892 2016 6 188 4.3 9.90 11.20 211104.80+391742.3

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

 
 
WDS 21111+3918 MLB 892 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21111+3918 MLB 892 : MEASURES
 
 
No records found.

 
 
WDS 21111+3918 : VIRTUAL EYEPIECE
 
 

21111+3918 MLB 892A mag 9.9 21111+3918 MLB 892B sep 4.3 P.A. 185.90 mag 11.2 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 21111+3918 : ALADIN DSS IMAGE @ 21h 11m 04.80s +39° 17' 42.3"
 
 
 
 
WDS 21111+3918 MLB 892 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21111+3918 MLB 892 distance=0' 21110+3919 MLB 891 distance=2' 21112+3925 COU1969 distance=8' 21102+3923 ALI 963 distance=12' 21108+3906 GUR 4 distance=13' 21118+3931 ES 1992 distance=16' 21126+3915 MLB 893 distance=19' 21110+3859 GUR 5 distance=20' 21112+3855 ES 1991 distance=23' 21128+3907 SEI1447 distance=23' 21128+3907 GUR 13Aa,Ab distance=23' 21094+3905 GUR 1 distance=24' 21097+3856 COU1967 distance=27' 21105+3851 SEI1429 distance=28' 21132+3904 TDT2833AB distance=29' 21132+3904 GUR 16AC distance=29' 21130+3858 ES 257 distance=31' 21130+3854 GUR 15 distance=33' 21102+3844 SEI1426 distance=35' 21126+3846 COU2136 distance=37' 21113+3841 GUR 7AB distance=37' 21113+3841 GUR 7AC distance=37' 21114+3840 GUR 8 distance=38' 21086+3942 ALI1154 distance=39' 21091+3844 S 779 distance=41' 21105+4000 ALI1155 distance=44' 21120+4000 TDT2817 distance=44' 21098+4001 GRV 430AB distance=47' 21098+4001 GRV 429AC distance=47' 21125+3834 SEI1445 distance=47' 21148+3901 ALI 966 distance=47' 21111+3831 GUR 6 distance=47' 21109+3830 ES 254 distance=48' 21071+3905 ALI 960 distance=49' 21073+3857 MLB 889 distance=49' 21129+4003 LDS2495 distance=50' 21074+3853 MLB 890 distance=50' 21146+3947 LDS2500 distance=50' 21133+3835 SMA 140 distance=51' 21122+3828 SMA 137 distance=52' 21154+3912 MLB 894 distance=52' 21139+3838 GUR 19 distance=52' 21071+3852 MLB 888 distance=53' 21148+3847 GUR 25 distance=53' 21146+3844 GUR 22 distance=53' 21154+3902 SEI1477 distance=53' 21149+3847 GUR 27 distance=55' 21149+3844 GUR 26AB distance=56' 21149+3844 GUR 26AC distance=56' 21137+3830 GUR 18 distance=57' 21074+3841 MLB1019 distance=57' 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 21111+3918 MLB 892 188 4.3
Show 21110+3919 MLB 891 253 8.7 2
Show 21112+3925 COU1969 216 0.1 8
Show 21102+3923 ALI 963 291 6.9 12
Show 21108+3906 GUR 4 106 5.2 13
Show 21118+3931 ES 1992 203 3.1 16
Show 21126+3915 MLB 893 149 3.6 19
Show 21110+3859 GUR 5 2 0.2 20
Show 21112+3855 ES 1991 25 2.6 23
Show 21128+3907 SEI1447 151 13.3 23
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 23
Show 21094+3905 GUR 1 150 8.3 24
Show 21097+3856 COU1967 192 0.8 27
Show 21105+3851 SEI1429 351 25.1 28
Show 21132+3904 TDT2833 AB 88 0.6 29
Show 21132+3904 GUR 16 AC 285 11.8 29
Show 21130+3858 ES 257 317 6.6 31
Show 21130+3854 GUR 15 64 4.8 33
Show 21102+3844 SEI1426 20 17.6 35
Show 21126+3846 COU2136 293 0.4 37
Show 21113+3841 GUR 7 AB 77 10.3 37
Show 21113+3841 GUR 7 AC 242 7.2 37
Show 21114+3840 GUR 8 8 10.4 38
Show 21086+3942 ALI1154 251 12.5 39
Show 21091+3844 S 779 9 110.5 41
Show 21105+4000 ALI1155 305 13.4 44
Show 21120+4000 TDT2817 335 0.6 44
Show 21098+4001 GRV 430 AB 351 47.1 47
Show 21098+4001 GRV 429 AC 168 48.5 47
Show 21125+3834 SEI1445 23 27.9 47
Show 21148+3901 ALI 966 99 6.6 47
Show 21111+3831 GUR 6 348 3.6 47
Show 21109+3830 ES 254 325 2.2 48
Show 21071+3905 ALI 960 110 12.9 49
Show 21073+3857 MLB 889 5 7.0 49
Show 21129+4003 LDS2495 173 5.0 50
Show 21074+3853 MLB 890 250 5.3 50
Show 21146+3947 LDS2500 355 14.5 50
Show 21133+3835 SMA 140 127 17.2 51
Show 21122+3828 SMA 137 121 9.6 52
Show 21154+3912 MLB 894 200 3.1 52
Show 21139+3838 GUR 19 123 9.0 52
Show 21071+3852 MLB 888 55 4.0 53
Show 21148+3847 GUR 25 152 9.8 53
Show 21146+3844 GUR 22 337 6.2 53
Show 21154+3902 SEI1477 59 20.8 53
Show 21149+3847 GUR 27 142 7.8 55
Show 21149+3844 GUR 26 AB 325 7.5 56
Show 21149+3844 GUR 26 AC 274 15.7 56
Show 21137+3830 GUR 18 301 14.1 57
Show 21074+3841 MLB1019 226 4.3 57

 
 
WDS 21111+3918 : COMPONENTS
 
 
  A
B pa=185.9°
sep=4.29"
 
 
21111+3918 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211104.80+391742.3 Mag 9.9 PmRA -7.00
PmDE -2.0
 
 
21111+3918 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211104.76+391738.0 Mag 11.2 PmRA -29.00
PmDE -45.0 Calc delta mag 1.3 Calc coord yes