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Current system
20311+2356
POU 4551


Nearby doubles
5' : 20314+2356
POU4561

5' : 20313+2353
POU4559AB

6' : 20310+2350
POU4549

8' : 20316+2355
POU4564

8' : 20311+2348
POU4552

8' : 20314+2402
POU4562

9' : 20316+2359
POU4565

9' : 20305+2358
POU4540

9' : 20308+2404
POU4546

9' : 20317+2359
POU4567

10' : 20318+2359
POU4569

12' : 20313+2406
POU4558

13' : 20318+2401
POU4574

13' : 20306+2406
POU4542

14' : 20317+2346
POU4568

16' : 20321+2351
POU4584

16' : 20318+2343
POU4570

16' : 20321+2402
POU4581

17' : 20309+2339
POU4545

17' : 20321+2404
POU4580

18' : 20305+2411
POU4539

19' : 20321+2343
POU4577

19' : 20324+2352
POU4592

21' : 20322+2408
POU4587

21' : 20315+2336
POU4560

21' : 20308+2416
POU4547



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

20311+2356 POU 4551

 
 
20h 31m 05.92s +23° 55' 45.2" P.A. 24.00 sep 4.0 mag 12.90,14.50
 
 
Coord 2000 20311+2356 Discov num POU4551 Comp Coord arcsec 2000 20 31 05.92 +23 55 45.2
Date first 1899 Date last 2015 Obs 4
Pa first 32 Pa last 24.2 P.A. Now (θ) 24.2°
Sep first 6.6 Sep last 4.03 Sep. Now (ρ) 4.03"
Mag pri 12.90 Mag sec 14.50 delta mag (ΔM) 1.6 Spectral class
Pri motion ra +007 Sec motion ra
Pri motion dec +014 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1831357321822034304
 
 
WDS 20311+2356 POU 4551 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
POU Pourteau, M. A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20311+2356 POU4551 1899 1 32 6.6 12.90 14.50 203106.00+235542.0
20311+2356 POU4551 2008 2 25 3.7 12.90 14.50 203106.00+235542.0
20311+2356 POU4551 2015 4 24 4.0 12.90 14.50 203105.92+235545.2

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

 
 
WDS 20311+2356 POU 4551 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20311+2356 POU 4551 : MEASURES
 
 
No records found.

 
 
WDS 20311+2356 : VIRTUAL EYEPIECE
 
 

20311+2356 POU4551A mag 12.9 20311+2356 POU4551B sep 4.0 P.A. 24.20 mag 14.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20311+2356 : ALADIN DSS IMAGE @ 20h 31m 05.92s +23° 55' 45.2"
 
 
 
 
WDS 20311+2356 POU 4551 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20311+2356 POU4551 distance=0' 20314+2356 POU4561 distance=5' 20313+2353 POU4559AB distance=5' 20313+2353 BKO 451AC distance=5' 20310+2350 POU4549 distance=6' 20316+2355 POU4564 distance=8' 20311+2348 POU4552 distance=8' 20314+2402 POU4562 distance=8' 20316+2359 POU4565 distance=9' 20305+2358 POU4540 distance=9' 20308+2404 POU4546 distance=9' 20317+2359 POU4567 distance=9' 20318+2359 POU4569 distance=10' 20313+2406 POU4558 distance=12' 20318+2401 POU4574 distance=13' 20306+2406 POU4542 distance=13' 20317+2346 POU4568 distance=14' 20321+2351 POU4584 distance=16' 20318+2343 POU4570 distance=16' 20321+2402 POU4581 distance=16' 20309+2339 POU4545 distance=17' 20321+2404 POU4580 distance=17' 20305+2411 POU4539 distance=18' 20321+2343 POU4577 distance=19' 20324+2352 POU4592 distance=19' 20322+2408 POU4587 distance=21' 20315+2336 POU4560 distance=21' 20308+2416 POU4547 distance=21' 20325+2402 POU4597AB distance=21' 20325+2402 POU4598AC distance=21' 20325+2401 POU4601 distance=22' 20323+2408 POU4589 distance=22' 20307+2335 POU4543 distance=22' 20306+2417 POU4544 distance=22' 20298+2341 POU4530 distance=23' 20327+2354 POU4605 distance=23' 20294+2351 POU4528 distance=23' 20301+2336 POU4535 distance=24' 20325+2410 BKO 454 distance=25' 20325+2409 POU4600 distance=25' 20328+2351 POU4611 distance=25' 20313+2330 POU4556 distance=26' 20329+2402 POU4613 distance=26' 20329+2403 POU4614 distance=26' 20314+2421 POU4563 distance=26' 20329+2404 POU4618 distance=27' 20330+2403 POU4620 distance=29' 20325+2416 POU4593 distance=29' 20329+2408 POU4617AB distance=29' 20329+2408 POU4616AC distance=29' 20319+2422 POU4575 distance=29' 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 20311+2356 POU4551 24 4.0 0
Show 20314+2356 POU4561 186 10.8 5
Show 20313+2353 POU4559 AB 177 7.6 5
Show 20313+2353 BKO 451 AC 137 3.4 5
Show 20310+2350 POU4549 344 9.2 6
Show 20316+2355 POU4564 243 11.7 8
Show 20311+2348 POU4552 144 13.0 8
Show 20314+2402 POU4562 180 14.9 8
Show 20316+2359 POU4565 14 9.3 9
Show 20305+2358 POU4540 141 19.1 9
Show 20308+2404 POU4546 238 9.2 9
Show 20317+2359 POU4567 342 17.0 9
Show 20318+2359 POU4569 286 6.3 10
Show 20313+2406 POU4558 246 11.9 12
Show 20318+2401 POU4574 243 7.3 13
Show 20306+2406 POU4542 59 16.2 13
Show 20317+2346 POU4568 137 10.6 14
Show 20321+2351 POU4584 345 15.4 16
Show 20318+2343 POU4570 111 11.6 16
Show 20321+2402 POU4581 235 13.1 16
Show 20309+2339 POU4545 254 11.8 17
Show 20321+2404 POU4580 40 7.3 17
Show 20305+2411 POU4539 220 20.7 18
Show 20321+2343 POU4577 214 11.7 19
Show 20324+2352 POU4592 277 2.3 19
Show 20322+2408 POU4587 94 9.7 21
Show 20315+2336 POU4560 343 10.3 21
Show 20308+2416 POU4547 249 22.7 21
Show 20325+2402 POU4597 AB 330 13.8 21
Show 20325+2402 POU4598 AC 59 15.4 21
Show 20325+2401 POU4601 278 5.8 22
Show 20323+2408 POU4589 312 10.4 22
Show 20307+2335 POU4543 154 2.9 22
Show 20306+2417 POU4544 229 18.0 22
Show 20298+2341 POU4530 86 14.3 23
Show 20327+2354 POU4605 219 10.4 23
Show 20294+2351 POU4528 101 6.6 23
Show 20301+2336 POU4535 133 14.0 24
Show 20325+2410 BKO 454 154 3.9 25
Show 20325+2409 POU4600 161 11.6 25
Show 20328+2351 POU4611 204 7.1 25
Show 20313+2330 POU4556 335 7.7 26
Show 20329+2402 POU4613 48 1.9 26
Show 20329+2403 POU4614 160 12.7 26
Show 20314+2421 POU4563 36 3.5 26
Show 20329+2404 POU4618 150 4.9 27
Show 20330+2403 POU4620 87 13.4 29
Show 20325+2416 POU4593 143 14.6 29
Show 20329+2408 POU4617 AB 27 11.8 29
Show 20329+2408 POU4616 AC 315 18.0 29
Show 20319+2422 POU4575 128 7.5 29

 
 
WDS 20311+2356 : COMPONENTS
 
 
  A
B pa=24.2°
sep=4.03"
 
 
20311+2356 A
 
 
Coord arcsec 2000 203105.92+235545.2 Mag 12.9 PmRA 7.00 PmDE 14.0
 
 
20311+2356 B
 
 
Coord arcsec 2000 203106.04+235548.9 Mag 14.5 Delta magnitude 1.6 Coordinate calculated yes