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Current system
20565+3731
TDT 2648


Nearby doubles
5' : 20561+3731
SEI1322

19' : 20575+3717
DAM 221

25' : 20580+3713
J 1076

25' : 20577+3711
SEI1331

26' : 20582+3715
DAM 223

27' : 20554+3708
SEI1314

28' : 20547+3714
TDT2625

28' : 20587+3725
SEI1343

29' : 20552+3755
SEI1312

29' : 20549+3709
COU2295

31' : 20590+3723
SEI1346

32' : 20546+3709
SEI1307

32' : 20582+3706
TOB 204AB

34' : 20538+3723
SEI1299AB

34' : 20547+3704
STT 419

35' : 20592+3718
ALI 434

36' : 20540+3751
TDT2614

38' : 20544+3704
SEI1305

38' : 20533+3731
TDT2606

38' : 20549+3803
SEI1309AB

40' : 20556+3809
SEI1317AB

40' : 20533+3740
SEI1294

42' : 20544+3658
TDT2623

43' : 20561+3649
SEI1321

43' : 21000+3740
COU2297

44' : 20587+3657
COU2296



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

20565+3731 TDT 2648

 
 
20h 56m 29.84s +37° 30' 40.1" P.A. 234.00 sep 0.7 mag 11.61,11.81
 
 
Coord 2000 20565+3731 Discov num TDT2648 Comp Coord arcsec 2000 20 56 29.84 +37 30 40.1
Date first 1991 Date last 1991 Obs 1
Pa first 234 Pa last 233.8 P.A. Now (θ) 233.8°
Sep first 0.7 Sep last 0.73 Sep. Now (ρ) 0.73"
Mag pri 11.61 Mag sec 11.81 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +014 Sec motion ra +014
Pri motion dec +016 Sec motion dec +016
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3167-01373-1 Gaia DR2 1871652331348247936
 
 
WDS 20565+3731 TDT 2648 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20565+3731 TDT2648 1991 1 234 0.7 11.61 11.81 205629.84+373040.1

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

 
 
WDS 20565+3731 TDT 2648 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20565+3731 TDT 2648 : MEASURES
 
 
No records found.

 
 
WDS 20565+3731 : VIRTUAL EYEPIECE
 
 

20565+3731 TDT2648A mag 11.61 20565+3731 TDT2648B sep 0.7 P.A. 233.80 mag 11.81 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 20565+3731 : ALADIN DSS IMAGE @ 20h 56m 29.84s +37° 30' 40.1"
 
 
 
 
WDS 20565+3731 TDT 2648 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20565+3731 TDT2648 distance=1' 20561+3731 SEI1322 distance=5' 20575+3717 DAM 221 distance=19' 20580+3713 J 1076 distance=25' 20577+3711 SEI1331 distance=25' 20582+3715 DAM 223 distance=26' 20554+3708 SEI1314 distance=27' 20547+3714 TDT2625 distance=28' 20587+3725 SEI1343 distance=28' 20552+3755 SEI1312 distance=29' 20549+3709 COU2295 distance=29' 20590+3723 SEI1346 distance=31' 20546+3709 SEI1307 distance=32' 20582+3706 TOB 204AB distance=32' 20582+3706 SEI1339CD distance=32' 20538+3723 SEI1299AB distance=34' 20538+3723 SEI1301AC distance=34' 20547+3704 STT 419 distance=34' 20592+3718 ALI 434 distance=35' 20540+3751 TDT2614 distance=36' 20544+3704 SEI1305 distance=38' 20533+3731 TDT2606 distance=38' 20549+3803 TDT2626Aa,Ab distance=38' 20549+3803 SEI1309AB distance=38' 20556+3809 COU2222Aa,Ab distance=40' 20556+3809 SEI1317AB distance=40' 20533+3740 SEI1294 distance=40' 20544+3658 TDT2623 distance=42' 20561+3649 SEI1321 distance=43' 21000+3740 COU2297 distance=43' 20587+3657 COU2296 distance=44' 20538+3702 SEI1300 distance=44' 20597+3752 BAR 14AB distance=44' 20597+3752 BAR 14AB,C distance=44' 20527+3728 SEI1288 distance=47' 20596+3703 HJ 1601 distance=47' 20590+3655 SEI1347 distance=48' 20569+3818 KPP1144 distance=48' 20529+3752 TDT2600 distance=49' 20560+3643 SEI1320 distance=49' 20575+3643 SEI1329 distance=49' 20524+3724 SEI1287 distance=50' 20544+3648 SEI1306 distance=50' 20579+3641 SEI1335 distance=53' 20526+3756 SEI1289 distance=53' 20594+3651 TDT2678 distance=53' 20587+3644 ES 251 distance=55' 21002+3658 HO 147AB distance=56' 21002+3658 HO 147AC distance=56' 21000+3655 SEI1360AB distance=56' 21000+3655 TOB 208AC distance=56' 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 20565+3731 TDT2648 234 0.7 1
Show 20561+3731 SEI1322 165 1.5 5
Show 20575+3717 DAM 221 59 5.9 19
Show 20580+3713 J 1076 78 1.7 25
Show 20577+3711 SEI1331 49 26.6 25
Show 20582+3715 DAM 223 35 4.8 26
Show 20554+3708 SEI1314 178 18.4 27
Show 20547+3714 TDT2625 255 0.5 28
Show 20587+3725 SEI1343 315 37.5 28
Show 20552+3755 SEI1312 285 8.2 29
Show 20549+3709 COU2295 180 0.4 29
Show 20590+3723 SEI1346 329 6.5 31
Show 20546+3709 SEI1307 307 3.7 32
Show 20582+3706 TOB 204 AB 91 9.9 32
Show 20582+3706 SEI1339 CD 259 12.4 32
Show 20538+3723 SEI1299 AB 356 9.0 34
Show 20538+3723 SEI1301 AC 290 26.3 34
Show 20547+3704 STT 419 24 1.7 34
Show 20592+3718 ALI 434 292 44.7 35
Show 20540+3751 TDT2614 157 2.1 36
Show 20544+3704 SEI1305 148 23.0 38
Show 20533+3731 TDT2606 65 4.4 38
Show 20549+3803 TDT2626 Aa,Ab 20 0.7 38
Show 20549+3803 SEI1309 AB 120 6.5 38
Show 20556+3809 COU2222 Aa,Ab 109 0.7 40
Show 20556+3809 SEI1317 AB 171 22.7 40
Show 20533+3740 SEI1294 26 23.1 40
Show 20544+3658 TDT2623 36 1.0 42
Show 20561+3649 SEI1321 96 22.7 43
Show 21000+3740 COU2297 57 0.3 43
Show 20587+3657 COU2296 103 1.0 44
Show 20538+3702 SEI1300 120 1.8 44
Show 20597+3752 BAR 14 AB 252 1.0 44
Show 20597+3752 BAR 14 AB,C 105 8.1 44
Show 20527+3728 SEI1288 259 24.2 47
Show 20596+3703 HJ 1601 141 6.5 47
Show 20590+3655 SEI1347 125 18.6 48
Show 20569+3818 KPP1144 247 9.0 48
Show 20529+3752 TDT2600 43 0.5 49
Show 20560+3643 SEI1320 64 13.9 49
Show 20575+3643 SEI1329 30 24.7 49
Show 20524+3724 SEI1287 353 6.7 50
Show 20544+3648 SEI1306 306 17.1 50
Show 20579+3641 SEI1335 28 18.2 53
Show 20526+3756 SEI1289 240 25.3 53
Show 20594+3651 TDT2678 246 0.5 53
Show 20587+3644 ES 251 141 6.6 55
Show 21002+3658 HO 147 AB 351 7.8 56
Show 21002+3658 HO 147 AC 248 26.2 56
Show 21000+3655 SEI1360 AB 45 22.2 56
Show 21000+3655 TOB 208 AC 232 31.7 56

 
 
WDS 20565+3731 : COMPONENTS
 
 
  A
B pa=233.8°
sep=0.73"
 
 
20565+3731 A
 
 
Coord arcsec 2000 205629.84+373040.1 Mag 11.61 PmRA 14.00 PmDE 16.0
 
 
20565+3731 B
 
 
Coord arcsec 2000 205629.79+373039.7 Mag 11.81 PmRA 14.00 PmDE 16.0
Delta magnitude 0.2 Coordinate calculated yes