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Doubles in session


Current system
20527+3728
SEI 1288


Nearby doubles
6' : 20524+3724
SEI1287

9' : 20533+3731
TDT2606

14' : 20533+3740
SEI1294

15' : 20538+3723
SEI1299AB

18' : 20515+3717
SEI1282

23' : 20510+3717
SEI1277

25' : 20529+3752
TDT2600

27' : 20506+3740
SKF1925

28' : 20526+3756
SEI1289

29' : 20540+3751
TDT2614

29' : 20547+3714
TDT2625

31' : 20538+3702
SEI1300

31' : 20546+3709
SEI1307

31' : 20521+3758
RAO 442

32' : 20525+3759
ES 2516

32' : 20544+3704
SEI1305

33' : 20521+3657
SEI1285

33' : 20549+3709
COU2295

34' : 20526+3655
A 1435

34' : 20501+3714
SEI1268AB

34' : 20547+3704
STT 419

37' : 20544+3658
TDT2623

39' : 20554+3708
SEI1314

40' : 20552+3755
SEI1312

41' : 20512+3650
SEI1280

42' : 20561+3731
SEI1322



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

20527+3728 SEI 1288

 
 
20h 52m 38.11s +37° 27' 47.4" P.A. 259.00 sep 24.2 mag 11.40,12.46
 
 
Coord 2000 20527+3728 Discov num SEI1288 Comp Coord arcsec 2000 20 52 38.11 +37 27 47.4
Date first 1896 Date last 2015 Obs 13
Pa first 261 Pa last 258.9 P.A. Now (θ) 258.9°
Sep first 23.1 Sep last 24.23 Sep. Now (ρ) 24.23"
Mag pri 11.40 Mag sec 12.46 delta mag (ΔM) 1.06 Spectral class
Pri motion ra -001 Sec motion ra -004
Pri motion dec -004 Sec motion dec -005
Notes
rPM=0.494
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2700-02526-1 Gaia DR2 1870939985256598016
 
 
WDS 20527+3728 SEI 1288 : 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
20527+3728 SEI1288 1998 7 259 24.1 11.60 12.47 D 205238.11+372747.4
20527+3728 SEI1288 2002 8 259 24.2 11.60 12.47 D 205238.11+372747.4
20527+3728 SEI1288 2010 9 259 24.2 11.40 12.46 205238.11+372747.4
20527+3728 SEI1288 2015 10 259 24.2 11.40 12.46 205238.11+372747.4

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

 
 
WDS 20527+3728 SEI 1288 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20527+3728 SEI 1288 : MEASURES
 
 
No records found.

 
 
WDS 20527+3728 : VIRTUAL EYEPIECE
 
 

20527+3728 SEI1288A mag 11.4 20527+3728 SEI1288B sep 19.4 P.A. 256.10 mag 12.46 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20527+3728 : ALADIN DSS IMAGE @ 20h 52m 38.11s +37° 27' 47.4"
 
 
 
 
WDS 20527+3728 SEI 1288 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20527+3728 SEI1288 distance=0' 20524+3724 SEI1287 distance=6' 20533+3731 TDT2606 distance=9' 20533+3740 SEI1294 distance=14' 20538+3723 SEI1299AB distance=15' 20538+3723 SEI1301AC distance=15' 20515+3717 SEI1282 distance=18' 20510+3717 SEI1277 distance=23' 20529+3752 TDT2600 distance=25' 20506+3740 SKF1925 distance=27' 20526+3756 SEI1289 distance=28' 20540+3751 TDT2614 distance=29' 20547+3714 TDT2625 distance=29' 20538+3702 SEI1300 distance=31' 20546+3709 SEI1307 distance=31' 20521+3758 RAO 442 distance=31' 20525+3759 ES 2516 distance=32' 20544+3704 SEI1305 distance=32' 20521+3657 SEI1285 distance=33' 20549+3709 COU2295 distance=33' 20526+3655 A 1435 distance=34' 20501+3714 SEI1268AB distance=34' 20501+3714 CLL 15AC distance=34' 20547+3704 STT 419 distance=34' 20544+3658 TDT2623 distance=37' 20554+3708 SEI1314 distance=39' 20552+3755 SEI1312 distance=40' 20512+3650 SEI1280 distance=41' 20561+3731 SEI1322 distance=42' 20528+3646 COU2221 distance=43' 20549+3803 TDT2626Aa,Ab distance=44' 20549+3803 SEI1309AB distance=44' 20521+3645 ES 250 distance=44' 20535+3645 SEI1296 distance=45' 20544+3648 SEI1306 distance=46' 20565+3731 TDT2648 distance=47' 20507+3807 SEI1275 distance=47' 20533+3639 SEI1293 distance=50' 20503+3645 TDT2568 distance=52' 20508+3641 SEI1276 distance=52' 20488+3754 TDT2557 distance=53' 20518+3820 ES 2123AB distance=54' 20518+3820 ES 2123AC distance=54' 20556+3809 COU2222Aa,Ab distance=54' 20556+3809 SEI1317AB distance=54' 20502+3642 SEI1270 distance=55' 20500+3640 TOB 199 distance=57' 20561+3649 SEI1321 distance=58' 20505+3635 SEI1271AB distance=59' 20505+3635 SEI1272AC distance=59' 20575+3717 DAM 221 distance=59' 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 20527+3728 SEI1288 259 24.2
Show 20524+3724 SEI1287 353 6.7 6
Show 20533+3731 TDT2606 65 4.4 9
Show 20533+3740 SEI1294 26 23.1 14
Show 20538+3723 SEI1299 AB 356 9.0 15
Show 20538+3723 SEI1301 AC 290 26.3 15
Show 20515+3717 SEI1282 270 27.4 18
Show 20510+3717 SEI1277 32 8.1 23
Show 20529+3752 TDT2600 43 0.5 25
Show 20506+3740 SKF1925 170 13.8 27
Show 20526+3756 SEI1289 240 25.3 28
Show 20540+3751 TDT2614 350 0.6 29
Show 20547+3714 TDT2625 255 0.5 29
Show 20538+3702 SEI1300 120 1.8 31
Show 20546+3709 SEI1307 307 3.7 31
Show 20521+3758 RAO 442 81 2.6 31
Show 20525+3759 ES 2516 216 6.3 32
Show 20544+3704 SEI1305 148 23.0 32
Show 20521+3657 SEI1285 301 27.6 33
Show 20549+3709 COU2295 180 0.4 33
Show 20526+3655 A 1435 6 0.5 34
Show 20501+3714 SEI1268 AB 123 27.3 34
Show 20501+3714 CLL 15 AC 20 48.5 34
Show 20547+3704 STT 419 24 1.7 34
Show 20544+3658 TDT2623 36 1.0 37
Show 20554+3708 SEI1314 178 18.4 39
Show 20552+3755 SEI1312 285 8.2 40
Show 20512+3650 SEI1280 5 3.8 41
Show 20561+3731 SEI1322 165 1.5 42
Show 20528+3646 COU2221 30 0.3 43
Show 20549+3803 TDT2626 Aa,Ab 20 0.7 44
Show 20549+3803 SEI1309 AB 120 6.5 44
Show 20521+3645 ES 250 88 4.4 44
Show 20535+3645 SEI1296 278 10.5 45
Show 20544+3648 SEI1306 306 17.1 46
Show 20565+3731 TDT2648 234 0.7 47
Show 20507+3807 SEI1275 196 22.2 47
Show 20533+3639 SEI1293 53 14.2 50
Show 20503+3645 TDT2568 174 2.4 52
Show 20508+3641 SEI1276 266 22.6 52
Show 20488+3754 TDT2557 237 0.7 53
Show 20518+3820 ES 2123 AB 102 5.2 54
Show 20518+3820 ES 2123 AC 327 37.4 54
Show 20556+3809 COU2222 Aa,Ab 109 0.7 54
Show 20556+3809 SEI1317 AB 171 22.7 54
Show 20502+3642 SEI1270 211 23.1 55
Show 20500+3640 TOB 199 109 18.8 57
Show 20561+3649 SEI1321 96 22.7 58
Show 20505+3635 SEI1271 AB 27 14.9 59
Show 20505+3635 SEI1272 AC 185 20.4 59
Show 20575+3717 DAM 221 59 5.9 59

 
 
WDS 20527+3728 : COMPONENTS
 
 
  A
B pa=256.1°
sep=19.44"
 
 
20527+3728 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205238.11+372747.4 Mag 11.4 PmRA -1.00
PmDE -4.0 Tycho2 2700-02526-1
Tycho2
Tycho2 2700-02526-1 Pflag RAmdeg 313.15879273 DEmdeg 37.46316601
PmRA 1.7 PmDE -1.8 E RAmdeg 46 E DEmdeg 42
E pmRA 1.5 E pmDE 1.5 EpRAm 1978.89 EpDEm 1980.59
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 11.712 E BTmag 0.064 VTmag 11.599
E VTmag 0.101 Prox 242 TYC T HIP
CCDM RAdeg 313.15878500 DEdeg 37.46316861 EpRA 1990 1.57
EpDE 1990 1.71 E RAdeg 50.4 E DEdeg 45.1 Posflg
Corr 0.1
 
 
20527+3728 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205236.52+372742.7 Mag 12.46 PmRA -4.00
PmDE -5.0 Tycho2 2700-02036-1 Calc delta mag 1.06 Calc coord yes
Tycho2
Tycho2 2700-02036-1 Pflag RAmdeg 313.15046952 DEmdeg 37.46187002
PmRA -3.6 PmDE -5.3 E RAmdeg 105 E DEmdeg 92
E pmRA 2.4 E pmDE 2.1 EpRAm 1950.95 EpDEm 1951.72
Num 6 Q RAmdeg 0.9 Q DEmdeg 2.7 Q pmRA 1.0
Q pmDE 2.7 BTmag 13.151 E BTmag 0.271 VTmag 12.468
E VTmag 0.187 Prox 242 TYC HIP
CCDM RAdeg 313.15047639 DEdeg 37.46186667 EpRA 1990 1.57
EpDE 1990 1.72 E RAdeg 146.6 E DEdeg 127.8 Posflg
Corr 0.1