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Computed Lists
Populars
Latest Populars
Doubles in session
Current system
20045+2009
BRT 2465
Nearby doubles
18' : 20042+1952
J 819
28' : 20039+2034
COU 216
28' : 20026+2006
HU 353
30' : 20063+1954
WAK 19
31' : 20033+2034
BRT2463
31' : 20040+1940
J 3046
32' : 20045+1937
J 3048
32' : 20051+2039
BUP 203AB
32' : 20065+1957
J 1233AB
33' : 20023+2009
COU 215
45' : 20036+2050
GRV 308
45' : 20037+1926
BRT2464
49' : 20078+1950
WEB 12
61' : 20004+2018
BRT2462
65' : 20024+2105
HDS2855
66' : 20086+2041
BRT2467
67' : 20065+1908
STJ 26
67' : 20062+1906
HJL 271
68' : 20093+2004
HU 355
69' : 20072+2106
STF2631
70' : 20013+1917
J 784
72' : 19597+1947
J 1140AB
74' : 20039+1856
DAM 189
76' : 20041+1854
J 3047
78' : 20082+2105
J 1168
81' : 19595+1940
J 3039AB
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 20045+2009 : COMPONENTS
A
B
pa=207.8°
sep=2.93"
20045+2009 A
Coord arcsec 2000
200433.96+200832.7
Mag
12.7
PmRA
27.00
PmDE
18.0
20045+2009 B
Coord arcsec 2000
200433.86+200830.1
Mag
12.74
PmRA
1.00
PmDE
-10.0
Calc delta mag
0.04
Calc coord
yes