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Doubles in session


Current system
20552+3755
SEI 1312


Nearby doubles
10' : 20549+3803
SEI1309AB

15' : 20540+3751
TDT2614

16' : 20556+3809
SEI1317AB

26' : 20561+3731
SEI1322

28' : 20533+3740
SEI1294

28' : 20529+3752
TDT2600

29' : 20565+3731
TDT2648

31' : 20526+3756
SEI1289

32' : 20569+3818
KPP1144

32' : 20533+3731
TDT2606

33' : 20525+3759
ES 2516

36' : 20538+3723
SEI1299AB

37' : 20521+3758
RAO 442

40' : 20527+3728
SEI1288

41' : 20547+3714
TDT2625

46' : 20549+3709
COU2295

46' : 20518+3820
ES 2123AB

46' : 20546+3709
SEI1307

46' : 20524+3724
SEI1287

47' : 20575+3717
DAM 221

47' : 20554+3708
SEI1314

50' : 20578+3833
HJ 1600

51' : 20547+3704
STT 419

52' : 20544+3704
SEI1305

52' : 20587+3725
SEI1343

53' : 20580+3713
J 1076



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

20552+3755 SEI 1312

 
 
20h 55m 09.93s +37° 54' 08.8" P.A. 285.00 sep 8.2 mag 11.00,12.00
 
 
Coord 2000 20552+3755 Discov num SEI1312 Comp Coord arcsec 2000 20 55 09.93 +37 54 08.8
Date first 1896 Date last 2020 Obs 9
Pa first 283 Pa last 284.6 P.A. Now (θ) 284.6°
Sep first 8.4 Sep last 8.17 Sep. Now (ρ) 8.17"
Mag pri 11.00 Mag sec 12.00 delta mag (ΔM) 1 Spectral class
Pri motion ra -004 Sec motion ra -010
Pri motion dec -010 Sec motion dec -004
Notes N (See Notes)
rPM=0.788
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872427899361563520
 
 
WDS 20552+3755 SEI 1312 : NOTES
 
 
discov_num notes refcode
SEI1312 ALI 677.
 
 
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
20552+3755 SEI1312 1998 3 284 8.1 11.00 12.00 N D 205509.93+375408.8
20552+3755 SEI1312 2002 4 284 8.2 11.00 12.00 N D 205509.93+375408.8
20552+3755 SEI1312 2015 5 284 8.1 11.00 12.00 N 205509.93+375408.8
20552+3755 SEI1312 2020 9 285 8.2 11.00 12.00 N 205509.93+375408.8

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

 
 
WDS 20552+3755 SEI 1312 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20552+3755 SEI 1312 : MEASURES
 
 
No records found.

 
 
WDS 20552+3755 : VIRTUAL EYEPIECE
 
 

20552+3755 SEI1312A mag 11 20552+3755 SEI1312B sep 6.6 P.A. 288.30 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20552+3755 : ALADIN DSS IMAGE @ 20h 55m 09.93s +37° 54' 08.8"
 
 
 
 
WDS 20552+3755 SEI 1312 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20552+3755 SEI1312 distance=1' 20549+3803 TDT2626Aa,Ab distance=10' 20549+3803 SEI1309AB distance=10' 20540+3751 TDT2614 distance=15' 20556+3809 COU2222Aa,Ab distance=16' 20556+3809 SEI1317AB distance=16' 20561+3731 SEI1322 distance=26' 20533+3740 SEI1294 distance=28' 20529+3752 TDT2600 distance=28' 20565+3731 TDT2648 distance=29' 20526+3756 SEI1289 distance=31' 20569+3818 KPP1144 distance=32' 20533+3731 TDT2606 distance=32' 20525+3759 ES 2516 distance=33' 20538+3723 SEI1299AB distance=36' 20538+3723 SEI1301AC distance=36' 20521+3758 RAO 442 distance=37' 20527+3728 SEI1288 distance=40' 20547+3714 TDT2625 distance=41' 20549+3709 COU2295 distance=46' 20518+3820 ES 2123AB distance=46' 20518+3820 ES 2123AC distance=46' 20546+3709 SEI1307 distance=46' 20524+3724 SEI1287 distance=46' 20575+3717 DAM 221 distance=47' 20554+3708 SEI1314 distance=47' 20578+3833 HJ 1600 distance=50' 20547+3704 STT 419 distance=51' 20544+3704 SEI1305 distance=52' 20587+3725 SEI1343 distance=52' 20580+3713 J 1076 distance=53' 20577+3711 SEI1331 distance=53' 20570+3842 SEI1327 distance=53' 20582+3715 DAM 223 distance=54' 20597+3752 BAR 14AB distance=54' 20597+3752 BAR 14AB,C distance=54' 20507+3807 SEI1275 distance=55' 20590+3723 SEI1346 distance=56' 20538+3702 SEI1300 distance=56' 20506+3740 SKF1925 distance=56' 20544+3658 TDT2623 distance=57' 20515+3717 SEI1282 distance=58' 21000+3740 COU2297 distance=59' 20577+3845 DAM 222 distance=60' 20582+3706 TOB 204AB distance=60' 20582+3706 SEI1339CD distance=60' 20592+3718 ALI 434 distance=61' 20577+3848 ES 2056 distance=61' 20530+3851 ALI 954 distance=62' 20556+3856 MLB 785 distance=63' 20510+3717 SEI1277 distance=63' 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 20552+3755 SEI1312 285 8.2 1
Show 20549+3803 TDT2626 Aa,Ab 20 0.7 10
Show 20549+3803 SEI1309 AB 120 6.5 10
Show 20540+3751 TDT2614 350 0.6 15
Show 20556+3809 COU2222 Aa,Ab 109 0.7 16
Show 20556+3809 SEI1317 AB 171 22.7 16
Show 20561+3731 SEI1322 165 1.5 26
Show 20533+3740 SEI1294 26 23.1 28
Show 20529+3752 TDT2600 43 0.5 28
Show 20565+3731 TDT2648 234 0.7 29
Show 20526+3756 SEI1289 240 25.3 31
Show 20569+3818 KPP1144 248 8.9 32
Show 20533+3731 TDT2606 65 4.4 32
Show 20525+3759 ES 2516 216 6.3 33
Show 20538+3723 SEI1299 AB 356 9.0 36
Show 20538+3723 SEI1301 AC 290 26.3 36
Show 20521+3758 RAO 442 81 2.6 37
Show 20527+3728 SEI1288 259 24.2 40
Show 20547+3714 TDT2625 255 0.5 41
Show 20549+3709 COU2295 180 0.4 46
Show 20518+3820 ES 2123 AB 102 5.2 46
Show 20518+3820 ES 2123 AC 327 37.4 46
Show 20546+3709 SEI1307 307 3.7 46
Show 20524+3724 SEI1287 353 6.7 46
Show 20575+3717 DAM 221 59 5.9 47
Show 20554+3708 SEI1314 178 18.4 47
Show 20578+3833 HJ 1600 152 23.7 50
Show 20547+3704 STT 419 24 1.7 51
Show 20544+3704 SEI1305 148 23.0 52
Show 20587+3725 SEI1343 315 37.5 52
Show 20580+3713 J 1076 78 1.7 53
Show 20577+3711 SEI1331 49 26.6 53
Show 20570+3842 SEI1327 89 4.6 53
Show 20582+3715 DAM 223 35 4.8 54
Show 20597+3752 BAR 14 AB 252 1.0 54
Show 20597+3752 BAR 14 AB,C 105 8.1 54
Show 20507+3807 SEI1275 196 22.2 55
Show 20590+3723 SEI1346 329 6.5 56
Show 20538+3702 SEI1300 120 1.8 56
Show 20506+3740 SKF1925 170 13.8 56
Show 20544+3658 TDT2623 36 1.0 57
Show 20515+3717 SEI1282 270 27.4 58
Show 21000+3740 COU2297 57 0.3 59
Show 20577+3845 DAM 222 290 6.3 60
Show 20582+3706 TOB 204 AB 91 9.9 60
Show 20582+3706 SEI1339 CD 259 12.4 60
Show 20592+3718 ALI 434 292 44.7 61
Show 20577+3848 ES 2056 76 2.6 61
Show 20530+3851 ALI 954 61 8.9 62
Show 20556+3856 MLB 785 5 6.4 63
Show 20510+3717 SEI1277 32 8.1 63

 
 
WDS 20552+3755 : COMPONENTS
 
 
  A
B pa=288.3°
sep=6.57"
 
 
20552+3755 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205509.93+375408.8 Mag 11 PmRA -4.00
PmDE -10.0
 
 
20552+3755 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205509.40+375410.9 Mag 12 PmRA -10.00
PmDE -4.0 Calc delta mag 1 Calc coord yes