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Current system
21169+3906
SEI 1486


Nearby doubles
11' : 21169+3855
MLB1020

13' : 21163+3856
TDT2875

15' : 21175+3919
MLB 959

17' : 21181+3854
SEI1494

19' : 21154+3902
SEI1477

19' : 21154+3912
MLB 894

21' : 21182+3850
ES 1993

23' : 21190+3905
SEI1498AB

24' : 21189+3909
AG 270

26' : 21148+3901
ALI 966

28' : 21181+3929
MLB 895

30' : 21184+3930
SEI1496

31' : 21149+3847
GUR 27

31' : 21172+3936
SEI1490AB

32' : 21148+3847
GUR 25

33' : 21149+3844
GUR 26AB

36' : 21146+3844
GUR 22

37' : 21200+3854
SEI1505

39' : 21152+3833
ES 2061

40' : 21176+3945
STF2785

41' : 21167+3826
SMA 148

42' : 21184+3943
SEI1497

44' : 21132+3904
TDT2833AB

44' : 21146+3832
SEI1464AB

45' : 21139+3838
GUR 19

46' : 21175+3950
SEI1493



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21169+3906 SEI 1486

 
 
21h 16m 58.22s +39° 05' 38.5" P.A. 318.00 sep 23.9 mag 11.22,12.51
 
 
Coord 2000 21169+3906 Discov num SEI1486 Comp Coord arcsec 2000 21 16 58.22 +39 05 38.5
Date first 1895 Date last 2015 Obs 11
Pa first 314 Pa last 317.9 P.A. Now (θ) 317.9°
Sep first 24.4 Sep last 23.926 Sep. Now (ρ) 23.926"
Mag pri 11.22 Mag sec 12.51 delta mag (ΔM) 1.29 Spectral class
Pri motion ra +001 Sec motion ra +017
Pri motion dec +000 Sec motion dec +007
Notes
rPM=0.95
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-00713-1 Gaia DR2 1965144079929498752
 
 
WDS 21169+3906 SEI 1486 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21169+3906 SEI1486 1998 5 317 24.0 11.22 11.70 D 211658.22+390538.5
21169+3906 SEI1486 2002 6 318 24.0 11.22 11.70 D 211658.22+390538.5
21169+3906 SEI1486 2010 7 318 23.9 11.22 12.51 211658.22+390538.5
21169+3906 SEI1486 2015 8 318 23.9 11.22 12.51 211658.22+390538.5

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

 
 
WDS 21169+3906 SEI 1486 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21169+3906 SEI 1486 : MEASURES
 
 
No records found.

 
 
WDS 21169+3906 : VIRTUAL EYEPIECE
 
 

21169+3906 SEI1486A mag 11.22 21169+3906 SEI1486B sep 21.7 P.A. 325.00 mag 12.51 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21169+3906 : ALADIN DSS IMAGE @ 21h 16m 58.22s +39° 05' 38.5"
 
 
 
 
WDS 21169+3906 SEI 1486 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21169+3906 SEI1486 distance=0' 21169+3855 MLB1020 distance=11' 21163+3856 TDT2875 distance=13' 21175+3919 MLB 959 distance=15' 21181+3854 SEI1494 distance=17' 21154+3902 SEI1477 distance=19' 21154+3912 MLB 894 distance=19' 21182+3850 ES 1993 distance=21' 21190+3905 SEI1498AB distance=23' 21190+3905 TOB 220BC distance=24' 21189+3909 AG 270 distance=24' 21148+3901 ALI 966 distance=26' 21181+3929 MLB 895 distance=28' 21184+3930 SEI1496 distance=30' 21149+3847 GUR 27 distance=31' 21172+3936 LDS2504BC distance=31' 21172+3936 SEI1490AB distance=31' 21148+3847 GUR 25 distance=32' 21149+3844 GUR 26AB distance=33' 21149+3844 GUR 26AC distance=33' 21146+3844 GUR 22 distance=36' 21200+3854 SEI1505 distance=37' 21152+3833 ES 2061 distance=39' 21176+3945 STF2785 distance=40' 21167+3826 SMA 148 distance=41' 21184+3943 SEI1497 distance=42' 21132+3904 TDT2833AB distance=44' 21132+3904 GUR 16AC distance=44' 21146+3832 SEI1464AB distance=44' 21146+3832 GUR 24AC distance=44' 21146+3832 GUR 24AD distance=44' 21139+3838 GUR 19 distance=45' 21175+3950 SEI1493 distance=46' 21190+3945 STT 434AB distance=46' 21190+3945 ARY 5AC distance=46' 21191+3944 SEI1501 distance=46' 21130+3858 ES 257 distance=47' 21203+3839 SEI1509 distance=47' 21166+3817 SMA 147 distance=48' 21202+3835 SEI1508 distance=49' 21130+3854 GUR 15 distance=49' 21128+3907 SEI1447 distance=49' 21128+3907 GUR 13Aa,Ab distance=49' 21139+3830 COU1817 distance=51' 21146+3947 LDS2500 distance=51' 21133+3835 SMA 140 distance=51' 21126+3915 MLB 893 distance=52' 21137+3830 GUR 18 distance=53' 21196+3948 SEI1503AB distance=54' 21196+3948 SEI1504AC distance=54' 21196+3948 ABH 143AD distance=54' 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+3906 SEI1486 318 23.9
Show 21169+3855 MLB1020 159 4.6 11
Show 21163+3856 TDT2875 144 1.8 13
Show 21175+3919 MLB 959 291 7.8 15
Show 21181+3854 SEI1494 357 24.5 17
Show 21154+3902 SEI1477 59 20.8 19
Show 21154+3912 MLB 894 200 3.1 19
Show 21182+3850 ES 1993 264 9.4 21
Show 21190+3905 SEI1498 AB 89 28.9 23
Show 21190+3905 TOB 220 BC 75 12.5 24
Show 21189+3909 AG 270 112 5.8 24
Show 21148+3901 ALI 966 99 6.6 26
Show 21181+3929 MLB 895 182 5.7 28
Show 21184+3930 SEI1496 352 19.5 30
Show 21149+3847 GUR 27 142 7.8 31
Show 21172+3936 LDS2504 BC 67 23.5 31
Show 21172+3936 SEI1490 AB 95 20.1 31
Show 21148+3847 GUR 25 152 9.8 32
Show 21149+3844 GUR 26 AB 325 7.5 33
Show 21149+3844 GUR 26 AC 274 15.7 33
Show 21146+3844 GUR 22 337 6.2 36
Show 21200+3854 SEI1505 341 10.8 37
Show 21152+3833 ES 2061 298 3.4 39
Show 21176+3945 STF2785 234 2.9 40
Show 21167+3826 SMA 148 357 3.9 41
Show 21184+3943 SEI1497 213 10.0 42
Show 21132+3904 TDT2833 AB 88 0.6 44
Show 21132+3904 GUR 16 AC 285 11.8 44
Show 21146+3832 SEI1464 AB 264 28.9 44
Show 21146+3832 GUR 24 AC 264 7.4 44
Show 21146+3832 GUR 24 AD 218 5.4 44
Show 21139+3838 GUR 19 123 9.0 45
Show 21175+3950 SEI1493 142 24.1 46
Show 21190+3945 STT 434 AB 122 24.4 46
Show 21190+3945 ARY 5 AC 317 97.2 46
Show 21191+3944 SEI1501 240 29.7 46
Show 21130+3858 ES 257 317 6.6 47
Show 21203+3839 SEI1509 29 24.5 47
Show 21166+3817 SMA 147 319 13.2 48
Show 21202+3835 SEI1508 271 19.6 49
Show 21130+3854 GUR 15 64 4.8 49
Show 21128+3907 SEI1447 151 13.3 49
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 49
Show 21139+3830 COU1817 110 0.6 51
Show 21146+3947 LDS2500 355 14.5 51
Show 21133+3835 SMA 140 127 17.2 51
Show 21126+3915 MLB 893 149 3.6 52
Show 21137+3830 GUR 18 301 14.1 53
Show 21196+3948 SEI1503 AB 278 9.7 54
Show 21196+3948 SEI1504 AC 66 22.5 54
Show 21196+3948 ABH 143 AD 119 104.7 54

 
 
WDS 21169+3906 : COMPONENTS
 
 
  A
B pa=325.0°
sep=21.68"
 
 
21169+3906 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211658.22+390538.5 Mag 11.22 PmRA 1.00
PmDE 0.0 Tycho2 3169-00713-1
Tycho2
Tycho2 3169-00713-1 Pflag RAmdeg 319.24262078 DEmdeg 39.09403939
PmRA 3.4 PmDE -2.4 E RAmdeg 34 E DEmdeg 33
E pmRA 1.9 E pmDE 1.8 EpRAm 1983.15 EpDEm 1983.46
Num 6 Q RAmdeg 1.4 Q DEmdeg 0.5 Q pmRA 1.4
Q pmDE 0.4 BTmag 12.180 E BTmag 0.123 VTmag 11.217
E VTmag 0.074 Prox 999 TYC HIP
CCDM RAdeg 319.24258611 DEdeg 39.09404417 EpRA 1990 1.57
EpDE 1990 1.70 E RAdeg 55.4 E DEdeg 49.9 Posflg
Corr 0.1
 
 
21169+3906 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211657.15+390556.3 Mag 12.51 PmRA 17.00
PmDE 7.0 Calc delta mag 1.29 Calc coord yes