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Current system
20184+2435
BKO 638 BC


Nearby doubles
10' : 20185+2426
POU4354

10' : 20180+2429
OL 123

14' : 20192+2441
A 391AB

14' : 20183+2449
POU4349

15' : 20193+2443
POU4361

16' : 20180+2450
BKO 821

18' : 20194+2446
POU4366

19' : 20196+2442
POU4373

20' : 20188+2454
POU4357

22' : 20197+2447
BKO 825

23' : 20193+2417
POU4362

24' : 20195+2453
POU4368

24' : 20182+2411
POU4347

25' : 20195+2454
POU4369

25' : 20167+2425
BRT3356

25' : 20166+2433
POU4330

25' : 20172+2415
HDS2893AB

27' : 20201+2424
HJ 2952

28' : 20176+2500
POU4343

28' : 20194+2457
GRV 330

28' : 20201+2421
POU4377

29' : 20172+2411
POU4339

29' : 20184+2501
POU4350

30' : 20162+2437
POU4324

30' : 20188+2504
POU4355

31' : 20200+2413
POU4376



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

20184+2435 BKO 638 BC

 
 
20h 18m 21.46s +24° 34' 39.2" P.A. 21.00 sep 6.2 mag 12.30,14.90
 
 
Coord 2000 20184+2435 Discov num BKO 638 Comp BC Coord arcsec 2000 20 18 21.46 +24 34 39.2
Date first 1998 Date last 2015 Obs 8
Pa first 23 Pa last 20.9 P.A. Now (θ) 20.9°
Sep first 6.2 Sep last 6.238 Sep. Now (ρ) 6.238"
Mag pri 12.30 Mag sec 14.90 delta mag (ΔM) 2.6 Spectral class
Pri motion ra +022 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
20184+2435 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 18 21 +24 34 39 POU 4351 AB 2016 13 88 6.8 11.70 12.30 0.60
Show 20 18 21 +24 34 39 BKO 638 BC 2015 8 21 6.2 12.30 14.90 2.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1832175014887299456
 
 
WDS 20184+2435 BKO 638 BC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BKO Ladanyi, T. & Berko, E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20184+2435 BKO 638 BC 2008 1 22 6.1 12.40 13.50 201821.46+243439.2
20184+2435 BKO 638 BC 2015 4 21 6.2 12.30 14.90 R 201821.46+243439.2

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

 
 
WDS 20184+2435 BKO 638 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20184+2435 BKO 638 BC : MEASURES
 
 
No records found.

 
 
WDS 20184+2435 : VIRTUAL EYEPIECE
 
 

20184+2435 POU4351A mag 11.7 20184+2435 POU4351B sep 6.8 P.A. 88.10 mag 12.3 20184+2435 BKO 638C sep 10.9 P.A. 56.30 mag 14.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20184+2435 : ALADIN DSS IMAGE @ 20h 18m 21.46s +24° 34' 39.2"
 
 
 
 
WDS 20184+2435 BKO 638 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20184+2435 BKO 638BC distance=0' 20184+2435 POU4351AB distance=1' 20185+2426 POU4354 distance=10' 20180+2429 OL 123 distance=10' 20192+2441 A 391AB distance=14' 20192+2441 BKO 824AC distance=14' 20183+2449 POU4349 distance=14' 20193+2443 POU4361 distance=15' 20180+2450 BKO 821 distance=16' 20194+2446 POU4366 distance=18' 20196+2442 POU4373 distance=19' 20188+2454 POU4357 distance=20' 20197+2447 BKO 825 distance=22' 20193+2417 POU4362 distance=23' 20195+2453 POU4368 distance=24' 20182+2411 POU4347 distance=24' 20195+2454 POU4369 distance=25' 20167+2425 BRT3356 distance=25' 20166+2433 POU4330 distance=25' 20172+2415 HDS2893AB distance=25' 20172+2415 GRV 326AC distance=25' 20201+2424 HJ 2952 distance=27' 20176+2500 POU4343 distance=28' 20194+2457 GRV 330 distance=28' 20201+2421 POU4377 distance=28' 20172+2411 POU4339 distance=29' 20184+2501 POU4350 distance=29' 20162+2437 POU4324 distance=30' 20188+2504 POU4355 distance=30' 20200+2413 POU4376 distance=31' 20197+2408 BKO 640 distance=32' 20165+2415 POU4327 distance=32' 20165+2416 POU4325 distance=32' 20169+2410 POU4335 distance=33' 20166+2412 POU4328 distance=34' 20173+2505 POU4341 distance=34' 20206+2421 POU4386 distance=34' 20202+2458 POU4378 distance=35' 20158+2437 BKO 819 distance=35' 20208+2448 POU4389 distance=36' 20158+2441 POU4320 distance=36' 20184+2511 POU4352 distance=36' 20177+2510 POU4344 distance=37' 20193+2509 POU4364 distance=37' 20160+2416 POU4322AB distance=38' 20203+2501 J 1195 distance=38' 20199+2402 POU4375 distance=39' 20159+2414 POU4321 distance=40' 20170+2401 POU4337 distance=40' 20155+2439 POU4317 distance=40' 20155+2437 POU4315 distance=40' 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 20184+2435 BKO 638 BC 21 6.2 0
Show 20184+2435 POU4351 AB 88 6.8 1
Show 20185+2426 POU4354 113 12.5 10
Show 20180+2429 OL 123 337 5.3 10
Show 20192+2441 A 391 AB 278 0.9 14
Show 20192+2441 BKO 824 AC 264 8.4 14
Show 20183+2449 POU4349 14 10.2 14
Show 20193+2443 POU4361 234 21.6 15
Show 20180+2450 BKO 821 229 5.2 16
Show 20194+2446 POU4366 258 13.2 18
Show 20196+2442 POU4373 220 8.6 19
Show 20188+2454 POU4357 65 13.9 20
Show 20197+2447 BKO 825 249 4.7 22
Show 20193+2417 POU4362 179 20.6 23
Show 20195+2453 POU4368 184 10.8 24
Show 20182+2411 POU4347 325 15.8 24
Show 20195+2454 POU4369 39 20.3 25
Show 20167+2425 BRT3356 314 3.8 25
Show 20166+2433 POU4330 307 14.3 25
Show 20172+2415 HDS2893 AB 168 0.3 25
Show 20172+2415 GRV 326 AC 262 34.8 25
Show 20201+2424 HJ 2952 282 20.6 27
Show 20176+2500 POU4343 25 13.4 28
Show 20194+2457 GRV 330 148 47.2 28
Show 20201+2421 POU4377 192 15.1 28
Show 20172+2411 POU4339 357 12.1 29
Show 20184+2501 POU4350 115 6.0 29
Show 20162+2437 POU4324 189 17.8 30
Show 20188+2504 POU4355 177 10.7 30
Show 20200+2413 POU4376 177 13.1 31
Show 20197+2408 BKO 640 356 10.3 32
Show 20165+2415 POU4327 172 18.9 32
Show 20165+2416 POU4325 104 11.6 32
Show 20169+2410 POU4335 93 11.7 33
Show 20166+2412 POU4328 121 15.5 34
Show 20173+2505 POU4341 37 10.9 34
Show 20206+2421 POU4386 285 5.7 34
Show 20202+2458 POU4378 317 6.5 35
Show 20158+2437 BKO 819 96 8.2 35
Show 20208+2448 POU4389 256 14.7 36
Show 20158+2441 POU4320 52 19.2 36
Show 20184+2511 POU4352 281 14.0 36
Show 20177+2510 POU4344 228 7.3 37
Show 20193+2509 POU4364 165 16.3 37
Show 20160+2416 POU4322 AB 94 7.8 38
Show 20203+2501 J 1195 104 4.7 38
Show 20199+2402 POU4375 31 7.6 39
Show 20159+2414 POU4321 251 14.5 40
Show 20170+2401 POU4337 124 9.7 40
Show 20155+2439 POU4317 96 4.6 40
Show 20155+2437 POU4315 95 4.4 40

 
 
WDS 20184+2435 : COMPONENTS
 
 
  A B
B pa=88.1°
sep=6.83"
 
C pa=56.3°
sep=10.87"
pa=20.9°
sep=6.21"
 
 
20184+2435 A
 
 
Name HD 228847 Coord arcsec 2000 201820.96+243439.0 Mag 11.7 PmRA 16.00
PmDE -17.0
 
 
20184+2435 B
 
 
Coord arcsec 2000 201821.46+243439.2 Mag 12.3 PmRA 22.00 PmDE -9.0
Delta magnitude 0.6 Coordinate calculated yes
 
 
20184+2435 C
 
 
Coord arcsec 2000 201821.62+243445.0 Mag 14.9 Delta magnitude 3.2 Coordinate calculated yes