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Doubles in session


Current system
20577+3926
SEI 1334


Nearby doubles
3' : 20578+3923
BKO 475

9' : 20572+3920
BKO 474

9' : 20580+3918
ES 1985AB

9' : 20571+3920
BKO 473

10' : 20569+3922
SEI1326

12' : 20587+3922
BKO 478

15' : 20566+3932
SEI1325

16' : 20589+3931
SEI1348

18' : 20591+3932
TOB 205

19' : 20593+3925
SEI1353

19' : 20593+3924
TOB 207

19' : 20577+3943
COU2429

20' : 20587+3942
BKO 477

21' : 20559+3921
MLB 958

22' : 20595+3923
SEI1357

22' : 20559+3922
MLB 957

24' : 20583+3904
SEI1340

24' : 20592+3941
SEI1351AB

25' : 20591+3944
BKO 480

25' : 20590+3945
SEI1349

27' : 20592+3946
BKO 481

27' : 20555+3932
BKO 472

28' : 20556+3912
SEI1319

28' : 20556+3911
MLB 784

30' : 20591+3950
BKO 479

30' : 20555+3940
MLB 783



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

20577+3926 SEI 1334

 
 
20h 57m 42.98s +39° 25' 20.5" P.A. 106.00 sep 16.9 mag 11.13,11.96
 
 
Coord 2000 20577+3926 Discov num SEI1334 Comp Coord arcsec 2000 20 57 42.98 +39 25 20.5
Date first 1892 Date last 2015 Obs 12
Pa first 111 Pa last 106.1 P.A. Now (θ) 106.1°
Sep first 15.5 Sep last 16.874 Sep. Now (ρ) 16.874"
Mag pri 11.13 Mag sec 11.96 delta mag (ΔM) 0.83 Spectral class
Pri motion ra -011 Sec motion ra +007
Pri motion dec -015 Sec motion dec -011
Notes
rPM=0.991
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3171-00305-1 Gaia DR2 1873027408076759168
 
 
WDS 20577+3926 SEI 1334 : 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
20577+3926 SEI1334 2000 5 106 16.6 11.13 11.96 D 205742.98+392520.5
20577+3926 SEI1334 2008 6 106 16.8 11.13 11.96 D 205742.98+392520.5
20577+3926 SEI1334 2010 8 106 15.7 11.13 11.96 205742.98+392520.5
20577+3926 SEI1334 2015 9 106 16.9 11.13 11.96 205742.98+392520.5

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

 
 
WDS 20577+3926 SEI 1334 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20577+3926 SEI 1334 : MEASURES
 
 
No records found.

 
 
WDS 20577+3926 : VIRTUAL EYEPIECE
 
 

20577+3926 SEI1334A mag 11.13 20577+3926 SEI1334B sep 13.4 P.A. 110.50 mag 11.96 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20577+3926 : ALADIN DSS IMAGE @ 20h 57m 42.98s +39° 25' 20.5"
 
 
 
 
WDS 20577+3926 SEI 1334 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20577+3926 SEI1334 distance=0' 20578+3923 BKO 475 distance=3' 20572+3920 BKO 474 distance=9' 20580+3918 BKO 476BD distance=9' 20580+3918 ES 1985AB distance=9' 20580+3918 SEI1338AC distance=9' 20571+3920 BKO 473 distance=9' 20569+3922 SEI1326 distance=10' 20587+3922 BKO 478 distance=12' 20566+3932 SEI1325 distance=15' 20589+3931 SEI1348 distance=16' 20591+3932 TOB 205 distance=18' 20593+3925 SEI1353 distance=19' 20593+3924 TOB 207 distance=19' 20577+3943 COU2429 distance=19' 20587+3942 BKO 477 distance=20' 20559+3921 MLB 958 distance=21' 20595+3923 SEI1357 distance=22' 20559+3922 MLB 957 distance=22' 20583+3904 SEI1340 distance=24' 20592+3941 SEI1351AB distance=24' 20592+3941 TOB 206AC distance=24' 20591+3944 BKO 480 distance=25' 20590+3945 SEI1349 distance=25' 20592+3946 BKO 481 distance=27' 20555+3932 BKO 472 distance=27' 20556+3912 SEI1319 distance=28' 20556+3911 MLB 784 distance=28' 20591+3950 BKO 479 distance=30' 20555+3940 MLB 783 distance=30' 20558+3905 MLB 956 distance=30' 20555+3909 MLB 887 distance=31' 20554+3910 ES 1984 distance=31' 20566+3858 A 1436 distance=31' 20552+3915 MLB 782AB distance=31' 20552+3915 SEI1313AC distance=31' 20586+3856 SEI1341 distance=31' 20550+3929 SEI1311 distance=32' 20562+3900 ES 2055 distance=32' 20554+3907 TDT2629 distance=34' 20549+3933 BKO 471 distance=34' 20553+3944 SEI1315 distance=34' 20550+3914 ES 1983 distance=34' 20551+3941 MLB 886 distance=34' 20558+3951 LDS2469 distance=34' 20556+3901 HJ 1596 distance=35' 20588+3957 TDT2670 distance=35' 20549+3913 MLB 781 distance=35' 20547+3929 GRV 395 distance=36' 20577+3849 SEI1332 distance=36' 20596+3953 SEI1358 distance=36' 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 20577+3926 SEI1334 106 16.9
Show 20578+3923 BKO 475 265 5.5 3
Show 20572+3920 BKO 474 24 3.3 9
Show 20580+3918 BKO 476 BD 246 6.0 9
Show 20580+3918 ES 1985 AB 276 8.4 9
Show 20580+3918 SEI1338 AC 277 32.7 9
Show 20571+3920 BKO 473 34 5.4 9
Show 20569+3922 SEI1326 14 26.6 10
Show 20587+3922 BKO 478 75 7.9 12
Show 20566+3932 SEI1325 140 27.8 15
Show 20589+3931 SEI1348 295 26.4 16
Show 20591+3932 TOB 205 203 14.5 18
Show 20593+3925 SEI1353 113 17.5 19
Show 20593+3924 TOB 207 228 22.0 19
Show 20577+3943 COU2429 209 0.8 19
Show 20587+3942 BKO 477 8 7.6 20
Show 20559+3921 MLB 958 169 5.3 21
Show 20595+3923 SEI1357 93 14.4 22
Show 20559+3922 MLB 957 134 2.8 22
Show 20583+3904 SEI1340 199 10.2 24
Show 20592+3941 SEI1351 AB 256 17.5 24
Show 20592+3941 TOB 206 AC 71 38.4 24
Show 20591+3944 BKO 480 236 11.1 25
Show 20590+3945 SEI1349 160 27.9 25
Show 20592+3946 BKO 481 204 11.5 27
Show 20555+3932 BKO 472 67 5.7 27
Show 20556+3912 SEI1319 70 32.1 28
Show 20556+3911 MLB 784 25 4.6 28
Show 20591+3950 BKO 479 9 12.4 30
Show 20555+3940 MLB 783 288 5.6 30
Show 20558+3905 MLB 956 115 5.0 30
Show 20555+3909 MLB 887 246 10.4 31
Show 20554+3910 ES 1984 115 3.5 31
Show 20566+3858 A 1436 52 0.6 31
Show 20552+3915 MLB 782 AB 344 10.3 31
Show 20552+3915 SEI1313 AC 260 26.9 31
Show 20586+3856 SEI1341 209 29.5 31
Show 20550+3929 SEI1311 247 8.8 32
Show 20562+3900 ES 2055 293 7.6 32
Show 20554+3907 TDT2629 163 2.5 34
Show 20549+3933 BKO 471 171 5.5 34
Show 20553+3944 SEI1315 281 29.0 34
Show 20550+3914 ES 1983 266 6.1 34
Show 20551+3941 MLB 886 141 7.0 34
Show 20558+3951 LDS2469 2 3.3 34
Show 20556+3901 HJ 1596 295 18.2 35
Show 20588+3957 TDT2670 6 0.5 35
Show 20549+3913 MLB 781 296 8.6 35
Show 20547+3929 GRV 395 211 59.7 36
Show 20577+3849 SEI1332 64 9.1 36
Show 20596+3953 SEI1358 273 30.9 36

 
 
WDS 20577+3926 : COMPONENTS
 
 
  A
B pa=110.5°
sep=13.37"
 
 
20577+3926 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205742.98+392520.5 Mag 11.13 PmRA -11.00
PmDE -15.0 Tycho2 3171-00305-1
Tycho2
Tycho2 3171-00305-1 Pflag RAmdeg 314.42906326 DEmdeg 39.42236705
PmRA -9.3 PmDE -12.0 E RAmdeg 41 E DEmdeg 34
E pmRA 2.4 E pmDE 2.2 EpRAm 1984.98 EpDEm 1985.05
Num 4 Q RAmdeg 2.1 Q DEmdeg 1.9 Q pmRA 2.1
Q pmDE 1.9 BTmag 12.623 E BTmag 0.201 VTmag 11.128
E VTmag 0.071 Prox 167 TYC HIP
CCDM RAdeg 314.42905250 DEdeg 39.42242028 EpRA 1990 1.60
EpDE 1990 1.67 E RAdeg 59.2 E DEdeg 54.0 Posflg
Corr 0.1
 
 
20577+3926 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205744.06+392515.8 Mag 11.96 PmRA 7.00
PmDE -11.0 Tycho2 3171-00285-1 Calc delta mag 0.83 Calc coord yes
Tycho2
Tycho2 3171-00285-1 Pflag RAmdeg 314.43482330 DEmdeg 39.42100155
PmRA 9.4 PmDE -12.5 E RAmdeg 77 E DEmdeg 71
E pmRA 1.9 E pmDE 1.7 EpRAm 1965.20 EpDEm 1964.30
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.4 BTmag 12.965 E BTmag 0.247 VTmag 11.958
E VTmag 0.162 Prox 167 TYC HIP
CCDM RAdeg 314.43479639 DEdeg 39.42102389 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 92.8 E DEdeg 86.0 Posflg
Corr 0.1