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Computed Lists
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Doubles in session
Current system
20221+2524
KPP 2534
Nearby doubles
8' : 20221+2516
BKO 831
9' : 20218+2517
POU4399AB
10' : 20229+2522
POU4419
11' : 20229+2521
POU4421
13' : 20220+2536
STJ 48
15' : 20219+2510
BKO 829
15' : 20222+2509
POU4408
16' : 20213+2514
POU4393
22' : 20212+2507
POU4392
27' : 20238+2510
POU4439
29' : 20235+2502
POU4432
30' : 20240+2507
POU4443
30' : 20207+2502
POU4387
31' : 20215+2455
POU4395
31' : 20240+2505
J 557
32' : 20242+2510
POU4454
32' : 20244+2521
KPP2505
33' : 20240+2503
POU4442
34' : 20203+2501
J 1195
35' : 20196+2522
POU4372
35' : 20242+2504
POU4452
36' : 20246+2510
POU4463
37' : 20202+2458
POU4378
39' : 20248+2511
COU 521
40' : 20193+2521
POU4363
41' : 20228+2445
POU4418
Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20221+2524 : COMPONENTS
A
B
pa=41.1°
sep=21.81"
20221+2524 A
Coord arcsec 2000
202207.22+252352.2
Mag
13.7
PmRA
-25.00
PmDE
-24.0
20221+2524 B
Coord arcsec 2000
202208.28+252408.6
Mag
14.1
PmRA
-25.00
PmDE
-24.0
Calc delta mag
0.4
Calc coord
yes