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Current system
21169+3855
MLB 1020


Nearby doubles
6' : 21163+3856
TDT2875

11' : 21169+3906
SEI1486

15' : 21181+3854
SEI1494

17' : 21182+3850
ES 1993

18' : 21154+3902
SEI1477

23' : 21154+3912
MLB 894

24' : 21148+3901
ALI 966

25' : 21149+3847
GUR 27

25' : 21175+3919
MLB 959

26' : 21148+3847
GUR 25

26' : 21149+3844
GUR 26AB

27' : 21190+3905
SEI1498AB

29' : 21189+3909
AG 270

29' : 21146+3844
GUR 22

30' : 21152+3833
ES 2061

31' : 21167+3826
SMA 148

36' : 21146+3832
SEI1464AB

37' : 21200+3854
SEI1505

37' : 21181+3929
MLB 895

38' : 21166+3817
SMA 147

39' : 21139+3838
GUR 19

39' : 21184+3930
SEI1496

41' : 21172+3936
SEI1490AB

43' : 21139+3830
COU1817

43' : 21132+3904
TDT2833AB

44' : 21203+3839
SEI1509



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.

21169+3855 MLB 1020

 
 
21h 16m 49.98s +38° 55' 45.1" P.A. 159.00 sep 4.6 mag 12.18,13.20
 
 
Coord 2000 21169+3855 Discov num MLB1020 Comp Coord arcsec 2000 21 16 49.98 +38 55 45.1
Date first 1936 Date last 2000 Obs 2
Pa first 170 Pa last 158.9 P.A. Now (θ) 158.9°
Sep first 3.7 Sep last 4.6 Sep. Now (ρ) 4.6"
Mag pri 12.18 Mag sec 13.20 delta mag (ΔM) 1.02 Spectral class
Pri motion ra -008 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-00193-1 Gaia DR2 1965124460519151232
 
 
WDS 21169+3855 MLB 1020 : 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
21169+3855 MLB1020 1936 1 170 3.7 12.18 13.20 211649.98+385545.1
21169+3855 MLB1020 2000 2 159 4.6 12.18 13.20 211649.98+385545.1

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

 
 
WDS 21169+3855 MLB 1020 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21169+3855 MLB 1020 : MEASURES
 
 
No records found.

 
 
WDS 21169+3855 : VIRTUAL EYEPIECE
 
 

21169+3855 MLB1020A mag 12.18 21169+3855 MLB1020B sep 4.5 P.A. 163.30 mag 13.2 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 21169+3855 : ALADIN DSS IMAGE @ 21h 16m 49.98s +38° 55' 45.1"
 
 
 
 
WDS 21169+3855 MLB 1020 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21169+3855 MLB1020 distance=0' 21163+3856 TDT2875 distance=6' 21169+3906 SEI1486 distance=11' 21181+3854 SEI1494 distance=15' 21182+3850 ES 1993 distance=17' 21154+3902 SEI1477 distance=18' 21154+3912 MLB 894 distance=23' 21148+3901 ALI 966 distance=24' 21149+3847 GUR 27 distance=25' 21175+3919 MLB 959 distance=25' 21148+3847 GUR 25 distance=26' 21149+3844 GUR 26AB distance=26' 21149+3844 GUR 26AC distance=26' 21190+3905 SEI1498AB distance=27' 21190+3905 TOB 220BC distance=27' 21189+3909 AG 270 distance=29' 21146+3844 GUR 22 distance=29' 21152+3833 ES 2061 distance=30' 21167+3826 SMA 148 distance=31' 21146+3832 SEI1464AB distance=36' 21146+3832 GUR 24AC distance=36' 21146+3832 GUR 24AD distance=36' 21200+3854 SEI1505 distance=37' 21181+3929 MLB 895 distance=37' 21166+3817 SMA 147 distance=38' 21139+3838 GUR 19 distance=39' 21184+3930 SEI1496 distance=39' 21172+3936 LDS2504BC distance=41' 21172+3936 SEI1490AB distance=41' 21139+3830 COU1817 distance=43' 21132+3904 TDT2833AB distance=43' 21132+3904 GUR 16AC distance=43' 21203+3839 SEI1509 distance=44' 21202+3835 SEI1508 distance=45' 21133+3835 SMA 140 distance=45' 21130+3858 ES 257 distance=45' 21137+3830 GUR 18 distance=45' 21130+3854 GUR 15 distance=46' 21170+3810 SEI1485 distance=46' 21128+3907 SEI1447 distance=49' 21128+3907 GUR 13Aa,Ab distance=49' 21173+3806 TOI1320 distance=50' 21176+3945 STF2785 distance=50' 21146+3813 GUR 23 distance=51' 21126+3846 COU2136 distance=51' 21194+3814 HO 286AB distance=52' 21194+3814 CIA 5Aa,Ab distance=52' 21194+3814 KRV 42AC distance=52' 21184+3943 SEI1497 distance=52' 21167+3803 DAM1262 distance=53' 21126+3915 MLB 893 distance=53' 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 21169+3855 MLB1020 159 4.6
Show 21163+3856 TDT2875 144 1.8 6
Show 21169+3906 SEI1486 318 23.9 11
Show 21181+3854 SEI1494 357 24.5 15
Show 21182+3850 ES 1993 264 9.4 17
Show 21154+3902 SEI1477 59 20.8 18
Show 21154+3912 MLB 894 200 3.1 23
Show 21148+3901 ALI 966 99 6.6 24
Show 21149+3847 GUR 27 142 7.8 25
Show 21175+3919 MLB 959 291 7.8 25
Show 21148+3847 GUR 25 152 9.8 26
Show 21149+3844 GUR 26 AB 325 7.5 26
Show 21149+3844 GUR 26 AC 274 15.7 26
Show 21190+3905 SEI1498 AB 89 28.9 27
Show 21190+3905 TOB 220 BC 75 12.5 27
Show 21189+3909 AG 270 112 5.8 29
Show 21146+3844 GUR 22 337 6.2 29
Show 21152+3833 ES 2061 298 3.4 30
Show 21167+3826 SMA 148 357 3.9 31
Show 21146+3832 SEI1464 AB 264 28.9 36
Show 21146+3832 GUR 24 AC 264 7.4 36
Show 21146+3832 GUR 24 AD 218 5.4 36
Show 21200+3854 SEI1505 341 10.8 37
Show 21181+3929 MLB 895 182 5.7 37
Show 21166+3817 SMA 147 319 13.2 38
Show 21139+3838 GUR 19 123 9.0 39
Show 21184+3930 SEI1496 352 19.5 39
Show 21172+3936 LDS2504 BC 67 23.5 41
Show 21172+3936 SEI1490 AB 95 20.1 41
Show 21139+3830 COU1817 110 0.6 43
Show 21132+3904 TDT2833 AB 88 0.6 43
Show 21132+3904 GUR 16 AC 285 11.8 43
Show 21203+3839 SEI1509 29 24.5 44
Show 21202+3835 SEI1508 271 19.6 45
Show 21133+3835 SMA 140 127 17.2 45
Show 21130+3858 ES 257 317 6.6 45
Show 21137+3830 GUR 18 301 14.1 45
Show 21130+3854 GUR 15 64 4.8 46
Show 21170+3810 SEI1485 175 26.6 46
Show 21128+3907 SEI1447 151 13.3 49
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 49
Show 21173+3806 TOI1320 50 0.3 50
Show 21176+3945 STF2785 234 2.9 50
Show 21146+3813 GUR 23 60 10.4 51
Show 21126+3846 COU2136 293 0.4 51
Show 21194+3814 HO 286 AB 237 0.2 52
Show 21194+3814 CIA 5 Aa,Ab 230 0.0 52
Show 21194+3814 KRV 42 AC 256 65.7 52
Show 21184+3943 SEI1497 213 10.0 52
Show 21167+3803 DAM1262 275 34.4 53
Show 21126+3915 MLB 893 149 3.6 53

 
 
WDS 21169+3855 : COMPONENTS
 
 
  A
B pa=163.3°
sep=4.48"
 
 
21169+3855 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211649.98+385545.1 Mag 12.18 PmRA -8.00
PmDE -3.0 Tycho2 3169-00193-1
Tycho2
Tycho2 3169-00193-1 Pflag RAmdeg 319.20828167 DEmdeg 38.92919731
PmRA -8.3 PmDE -3.2 E RAmdeg 125 E DEmdeg 117
E pmRA 6.2 E pmDE 5.5 EpRAm 1984.23 EpDEm 1983.64
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 14.415 E BTmag 0.441 VTmag 12.176
E VTmag 0.158 Prox 999 TYC HIP
CCDM RAdeg 319.20830611 DEdeg 38.92920444 EpRA 1990 1.62
EpDE 1990 1.75 E RAdeg 132.8 E DEdeg 124.5 Posflg
Corr 0.1
 
 
21169+3855 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211650.09+385540.8 Mag 13.2 Calc delta mag 1.02
Calc coord yes