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Current system
20087+3525
SEI 915


Nearby doubles
5' : 20084+3528
ES 203

5' : 20086+3529
TDS1046

8' : 20089+3531
SEI 917

8' : 20083+3519
COU2127

9' : 20080+3521
SEI 907

9' : 20092+3520
ALI 184

9' : 20093+3529
STF2639AB

10' : 20079+3522
ALI 182AB

10' : 20095+3525
TDT2034

11' : 20090+3516
SEI 919

12' : 20078+3520
SEI 901AB

12' : 20077+3523
BKO 93AB

13' : 20096+3530
SEI 930AB

14' : 20096+3519
COU2128

14' : 20096+3532
SEI 931

17' : 20097+3535
SEI 935AB

17' : 20092+3540
SEI 922

19' : 20075+3535
COU2126

19' : 20072+3531
SEI 890AB

20' : 20073+3534
ES 2248AB

21' : 20097+3510
SEI 937

21' : 20074+3537
ALI 181

22' : 20096+3506
TOB 173

22' : 20099+3509
BKO 99

25' : 20074+3543
STT 398AB

25' : 20103+3511
SEI 941



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

20087+3525 SEI 915

 
 
20h 08m 38.41s +35° 24' 17.6" P.A. 230.00 sep 29.0 mag 10.50,11.00
 
 
Coord 2000 20087+3525 Discov num SEI 915 Comp Coord arcsec 2000 20 08 38.41 +35 24 17.6
Date first 1896 Date last 2015 Obs 9
Pa first 230 Pa last 230.3 P.A. Now (θ) 230.3°
Sep first 30.0 Sep last 28.976 Sep. Now (ρ) 28.976"
Mag pri 10.50 Mag sec 11.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -003 Sec motion ra +002
Pri motion dec -005 Sec motion dec +001
Notes
rPM=1.339
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2058838997662329216
 
 
WDS 20087+3525 SEI 915 : 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
20087+3525 SEI 915 1998 2 230 29.4 10.50 11.00 D 200838.41+352417.6
20087+3525 SEI 915 2002 3 230 29.1 10.50 11.00 D 200838.41+352417.6
20087+3525 SEI 915 2010 4 230 30.1 10.50 11.00 200838.41+352417.6
20087+3525 SEI 915 2015 5 230 29.0 10.50 11.00 200838.41+352417.6

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

 
 
WDS 20087+3525 SEI 915 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20087+3525 SEI 915 : MEASURES
 
 
No records found.

 
 
WDS 20087+3525 : VIRTUAL EYEPIECE
 
 

20087+3525 SEI 915A mag 10.5 20087+3525 SEI 915B sep 25.9 P.A. 224.50 mag 11 virtual eyepiece
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Radius:
Components only
 
 
WDS 20087+3525 : ALADIN DSS IMAGE @ 20h 08m 38.41s +35° 24' 17.6"
 
 
 
 
WDS 20087+3525 SEI 915 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20087+3525 SEI 915 distance=0' 20084+3528 ES 203 distance=5' 20086+3529 TDS1046 distance=5' 20089+3531 SEI 917 distance=8' 20083+3519 COU2127 distance=8' 20080+3521 SEI 907 distance=9' 20092+3520 ALI 184 distance=9' 20093+3529 STF2639AB distance=9' 20093+3529 SEI 923AC distance=9' 20079+3522 ALI 182AB distance=10' 20079+3522 BKO 95AC distance=10' 20093+3529 SEI 924CD distance=10' 20095+3525 TDT2034 distance=10' 20090+3516 SEI 919 distance=11' 20078+3520 BKO 94BC distance=11' 20078+3520 SEI 901AB distance=12' 20077+3523 BKO 93AB distance=12' 20077+3523 BKO 93AC distance=12' 20096+3530 BKO 97CD distance=13' 20096+3530 SEI 930AB distance=13' 20096+3530 BKO 97AC distance=13' 20096+3530 BKO 97AE distance=13' 20096+3519 COU2128 distance=14' 20096+3530 BKO 97EF distance=14' 20096+3532 SEI 931 distance=14' 20097+3535 BKO 98CD distance=16' 20097+3535 SEI 935AB distance=17' 20097+3535 SEI 934AC distance=17' 20092+3540 SEI 922 distance=17' 20075+3535 COU2126 distance=19' 20072+3531 SEI 890AB distance=19' 20072+3531 BKO 90AC distance=19' 20073+3534 COU2125Aa,Ab distance=20' 20073+3534 ES 2248AB distance=20' 20073+3534 ES 2248AC distance=20' 20073+3534 SEI 893CD distance=20' 20097+3510 SEI 937 distance=21' 20074+3537 ALI 181 distance=21' 20096+3506 TOB 173 distance=22' 20099+3509 BKO 99 distance=22' 20074+3543 STT 398AB distance=25' 20074+3543 A 280AC distance=25' 20103+3511 SEI 941 distance=25' 20107+3529 RAO 427 distance=26' 20068+3509 GRV 313 distance=27' 20096+3459 SEI 929 distance=29' 20069+3545 BKO 88BD distance=30' 20069+3545 SEI 886AB distance=30' 20069+3545 BKO 88AC distance=30' 20069+3545 BKO 88AE distance=30' 20069+3545 BKO 88EF distance=30' 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 20087+3525 SEI 915 230 29.0
Show 20084+3528 ES 203 130 6.1 5
Show 20086+3529 TDS1046 341 1.2 5
Show 20089+3531 SEI 917 338 28.4 8
Show 20083+3519 COU2127 227 0.2 8
Show 20080+3521 SEI 907 204 21.2 9
Show 20092+3520 ALI 184 228 13.2 9
Show 20093+3529 STF2639 AB 301 5.8 9
Show 20093+3529 SEI 923 AC 93 37.4 9
Show 20079+3522 ALI 182 AB 358 9.4 10
Show 20079+3522 BKO 95 AC 36 7.5 10
Show 20093+3529 SEI 924 CD 207 27.8 10
Show 20095+3525 TDT2034 120 0.3 10
Show 20090+3516 SEI 919 118 5.5 11
Show 20078+3520 BKO 94 BC 46 13.5 11
Show 20078+3520 SEI 901 AB 86 15.6 12
Show 20077+3523 BKO 93 AB 75 3.5 12
Show 20077+3523 BKO 93 AC 223 6.5 12
Show 20096+3530 BKO 97 CD 11 8.7 13
Show 20096+3530 SEI 930 AB 101 22.5 13
Show 20096+3530 BKO 97 AC 178 24.1 13
Show 20096+3530 BKO 97 AE 107 70.4 13
Show 20096+3519 COU2128 243 2.1 14
Show 20096+3530 BKO 97 EF 312 8.3 14
Show 20096+3532 SEI 931 81 16.0 14
Show 20097+3535 BKO 98 CD 261 6.8 16
Show 20097+3535 SEI 935 AB 95 7.2 17
Show 20097+3535 SEI 934 AC 161 20.2 17
Show 20092+3540 SEI 922 215 18.5 17
Show 20075+3535 COU2126 158 0.7 19
Show 20072+3531 SEI 890 AB 94 15.3 19
Show 20072+3531 BKO 90 AC 52 13.8 19
Show 20073+3534 COU2125 Aa,Ab 69 0.1 20
Show 20073+3534 ES 2248 AB 30 5.9 20
Show 20073+3534 ES 2248 AC 222 50.6 20
Show 20073+3534 SEI 893 CD 119 27.4 20
Show 20097+3510 SEI 937 67 25.3 21
Show 20074+3537 ALI 181 219 14.6 21
Show 20096+3506 TOB 173 186 15.6 22
Show 20099+3509 BKO 99 67 7.3 22
Show 20074+3543 STT 398 AB 82 1.0 25
Show 20074+3543 A 280 AC 133 5.7 25
Show 20103+3511 SEI 941 156 27.5 25
Show 20107+3529 RAO 427 126 0.5 26
Show 20068+3509 GRV 313 305 29.1 27
Show 20096+3459 SEI 929 31 20.9 29
Show 20069+3545 BKO 88 BD 251 8.9 30
Show 20069+3545 SEI 886 AB 123 27.2 30
Show 20069+3545 BKO 88 AC 167 4.2 30
Show 20069+3545 BKO 88 AE 38 43.7 30
Show 20069+3545 BKO 88 EF 261 6.4 30

 
 
WDS 20087+3525 : COMPONENTS
 
 
  A
B pa=224.5°
sep=25.94"
 
 
20087+3525 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200838.41+352417.6 Mag 10.5 PmRA -3.00
PmDE -5.0
 
 
20087+3525 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200836.92+352359.1 Mag 11 PmRA 2.00
PmDE 1.0 Calc delta mag 0.5 Calc coord yes