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Doubles in session
Current system
20577+3711
SEI 1331
Nearby doubles
4' : 20580+3713
J 1076
7' : 20575+3717
DAM 221
7' : 20582+3715
DAM 223
8' : 20582+3706
TOB 204AB
18' : 20587+3725
SEI1343
20' : 20592+3718
ALI 434
20' : 20587+3657
COU2296
20' : 20590+3723
SEI1346
23' : 20590+3655
SEI1347
25' : 20596+3703
HJ 1601
25' : 20565+3731
TDT2648
28' : 20561+3731
SEI1322
28' : 20554+3708
SEI1314
29' : 20575+3643
SEI1329
29' : 20594+3651
TDT2678
30' : 20561+3649
SEI1321
30' : 20579+3641
SEI1335
31' : 20587+3644
ES 251
33' : 21000+3655
SEI1360AB
33' : 21002+3658
HO 147AB
34' : 20549+3709
COU2295
34' : 20595+3646
SEI1354
36' : 20560+3643
SEI1320
37' : 20547+3714
TDT2625
37' : 20547+3704
STT 419
38' : 20546+3709
SEI1307
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 20577+3711 : COMPONENTS
A
B
pa=48.5°
sep=26.58"
20577+3711 A
Coord arcsec 2000
205743.91+371120.8
Mag
12.54
PmRA
-8.00
PmDE
-14.0
20577+3711 B
Coord arcsec 2000
205745.58+371138.4
Mag
13.36
PmRA
1.00
PmDE
-6.0
Delta magnitude
0.82
Coordinate calculated
yes