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Current system
20213+2445
BKO 827 AC


Nearby doubles
3' : 20213+2443
BKO 828

6' : 20213+2440
POU4394

8' : 20208+2448
POU4389

10' : 20215+2455
POU4395

14' : 20219+2435
POU4403

17' : 20223+2436
POU4409

19' : 20207+2502
POU4387

19' : 20202+2458
POU4378

21' : 20228+2445
POU4418

22' : 20203+2501
J 1195

23' : 20197+2447
BKO 825

23' : 20212+2507
POU4392

23' : 20196+2442
POU4373

26' : 20195+2453
POU4368

26' : 20195+2454
POU4369

26' : 20201+2424
HJ 2952

26' : 20206+2421
POU4386

26' : 20194+2446
POU4366

27' : 20219+2510
BKO 829

28' : 20222+2509
POU4408

28' : 20193+2443
POU4361

28' : 20194+2457
GRV 330

29' : 20201+2421
POU4377

29' : 20192+2441
A 391AB

29' : 20229+2427
GRV 336

30' : 20213+2514
POU4393



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

20213+2445 BKO 827 AC

 
 
20h 21m 16.41s +24° 44' 58.8" P.A. 303.00 sep 4.2 mag 14.00,15.60
 
 
Coord 2000 20213+2445 Discov num BKO 827 Comp AC Coord arcsec 2000 20 21 16.41 +24 44 58.8
Date first 1998 Date last 2016 Obs 2
Pa first 302 Pa last 303 P.A. Now (θ) 303°
Sep first 4.5 Sep last 4.215 Sep. Now (ρ) 4.215"
Mag pri 14.00 Mag sec 15.60 delta mag (ΔM) 1.6 Spectral class
Pri motion ra -021 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20213+2445 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 21 16 +24 44 59 BKO 827 AB 2016 4 109 3.3 14.00 14.00 0.00
Show 20 21 16 +24 44 59 BKO 827 AC 2016 2 303 4.2 14.00 15.60 1.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula
 
 
WDS 20213+2445 BKO 827 AC : 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
20213+2445 BKO 827 AC 2016 2 303 4.2 14.00 15.60 202116.41+244458.8

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

 
 
WDS 20213+2445 BKO 827 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20213+2445 BKO 827 AC : MEASURES
 
 
No records found.

 
 
WDS 20213+2445 : VIRTUAL EYEPIECE
 
 

20213+2445 BKO 827A mag 14 20213+2445 BKO 827B sep 3.3 P.A. 108.70 mag 14 20213+2445 BKO 827C sep 4.2 P.A. 303.00 mag 15.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20213+2445 : ALADIN DSS IMAGE @ 20h 21m 16.41s +24° 44' 58.8"
 
 
 
 
WDS 20213+2445 BKO 827 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20213+2445 BKO 827AC distance=0' 20213+2443 BKO 828 distance=3' 20213+2440 POU4394 distance=6' 20208+2448 POU4389 distance=8' 20215+2455 POU4395 distance=10' 20219+2435 POU4403 distance=14' 20223+2436 POU4409 distance=17' 20207+2502 POU4387 distance=19' 20202+2458 POU4378 distance=19' 20228+2445 POU4418 distance=21' 20203+2501 J 1195 distance=22' 20197+2447 BKO 825 distance=23' 20212+2507 POU4392 distance=23' 20196+2442 POU4373 distance=23' 20195+2453 POU4368 distance=26' 20195+2454 POU4369 distance=26' 20201+2424 HJ 2952 distance=26' 20206+2421 POU4386 distance=26' 20194+2446 POU4366 distance=26' 20219+2510 BKO 829 distance=27' 20222+2509 POU4408 distance=28' 20193+2443 POU4361 distance=28' 20194+2457 GRV 330 distance=28' 20201+2421 POU4377 distance=29' 20192+2441 A 391AB distance=29' 20192+2441 BKO 824AC distance=29' 20229+2427 GRV 336 distance=29' 20213+2514 POU4393 distance=30' 20221+2516 BKO 831 distance=34' 20218+2517 POU4399AB distance=34' 20218+2517 POU4400AC distance=34' 20232+2424 POU4427 distance=34' 20235+2502 POU4432 distance=36' 20188+2454 POU4357 distance=36' 20234+2424 POU4429 distance=37' 20193+2509 POU4364 distance=37' 20236+2428 POU4433 distance=37' 20200+2413 POU4376 distance=37' 20240+2433 POU4441 distance=39' 20188+2504 POU4355 distance=40' 20193+2417 POU4362 distance=41' 20241+2453 POU4448 distance=41' 20238+2425 POU4440 distance=41' 20183+2449 POU4349 distance=41' 20221+2524 KPP2534 distance=41' 20240+2503 POU4442 distance=41' 20184+2435 BKO 638BC distance=42' 20184+2435 POU4351AB distance=42' 20229+2521 POU4421 distance=42' 20243+2445 POU4455 distance=42' 20240+2505 J 557AB distance=42' 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 20213+2445 BKO 827 AB 109 3.3 0
Show 20213+2445 BKO 827 AC 303 4.2 0
Show 20213+2443 BKO 828 65 7.4 3
Show 20213+2440 POU4394 25 14.9 6
Show 20208+2448 POU4389 256 14.7 8
Show 20215+2455 POU4395 229 10.0 10
Show 20219+2435 POU4403 273 6.3 14
Show 20223+2436 POU4409 80 6.6 17
Show 20207+2502 POU4387 282 12.6 19
Show 20202+2458 POU4378 317 6.5 19
Show 20228+2445 POU4418 232 14.7 21
Show 20203+2501 J 1195 104 4.7 22
Show 20197+2447 BKO 825 249 4.7 23
Show 20212+2507 POU4392 332 10.2 23
Show 20196+2442 POU4373 220 8.6 23
Show 20195+2453 POU4368 184 10.8 26
Show 20195+2454 POU4369 39 20.3 26
Show 20201+2424 HJ 2952 282 20.6 26
Show 20206+2421 POU4386 285 5.7 26
Show 20194+2446 POU4366 258 13.2 26
Show 20219+2510 BKO 829 356 5.0 27
Show 20222+2509 POU4408 297 14.6 28
Show 20193+2443 POU4361 234 21.6 28
Show 20194+2457 GRV 330 148 47.2 28
Show 20201+2421 POU4377 192 15.1 29
Show 20192+2441 A 391 AB 278 0.9 29
Show 20192+2441 BKO 824 AC 264 8.4 29
Show 20229+2427 GRV 336 45 45.5 29
Show 20213+2514 POU4393 243 12.9 30
Show 20221+2516 BKO 831 89 6.9 34
Show 20218+2517 POU4399 AB 21 10.7 34
Show 20218+2517 POU4400 AC 73 17.8 34
Show 20232+2424 POU4427 214 13.0 34
Show 20235+2502 POU4432 308 19.3 36
Show 20188+2454 POU4357 65 13.9 36
Show 20234+2424 POU4429 118 9.9 37
Show 20193+2509 POU4364 165 16.3 37
Show 20236+2428 POU4433 176 13.2 37
Show 20200+2413 POU4376 177 13.1 37
Show 20240+2433 POU4441 248 13.3 39
Show 20188+2504 POU4355 177 10.7 40
Show 20193+2417 POU4362 179 20.6 41
Show 20241+2453 POU4448 231 17.9 41
Show 20238+2425 POU4440 251 16.4 41
Show 20183+2449 POU4349 14 10.2 41
Show 20221+2524 KPP2534 44 22.9 41
Show 20240+2503 POU4442 349 17.9 41
Show 20184+2435 BKO 638 BC 21 6.2 42
Show 20184+2435 POU4351 AB 88 6.8 42
Show 20229+2521 POU4421 237 10.1 42
Show 20243+2445 POU4455 298 6.6 42

 
 
WDS 20213+2445 : COMPONENTS
 
 
  A B
B pa=108.7°
sep=3.26"
 
C pa=303.0°
sep=4.21"
pa=296.8°
sep=7.42"
 
 
20213+2445 A
 
 
Coord arcsec 2000 202116.41+244458.8 Mag 14 PmRA -21.00 PmDE 1.0
 
 
20213+2445 B
 
 
Coord arcsec 2000 202116.64+244457.8 Mag 14 Coordinate calculated yes
 
 
20213+2445 C
 
 
Coord arcsec 2000 202116.15+244501.1 Mag 15.6 Delta magnitude 1.6 Coordinate calculated yes