Home
Database
Workbench
Misc
Setup
Help
File
|
Notes
|
Reports
|
Measures
|
Images
|
Neighborhoods
|
Components
|
Complete
You're not logged.
Login
Create your own observing lists in a few clicks and save them.
Register here
Search
Actions
Advanced Search
Go to Simbad
New report
New measure
Login
Computed Lists
Populars
Latest Populars
Doubles in session
Current system
20271+3910
TDT 2284
Nearby doubles
2' : 20271+3909
ALI 932
9' : 20275+3902
TDT2290
15' : 20259+3914
SEI1122
19' : 20287+3911
CBL 83
19' : 20263+3925
ES 1975
22' : 20286+3923
TDT2315
23' : 20261+3852
MLB1017
24' : 20277+3932
TDT2292
26' : 20290+3924
ALI1144
26' : 20292+3919
SEI1134
26' : 20281+3847
ALI 933
27' : 20293+3901
DAM 315
29' : 20249+3858
COU2418
30' : 20296+3901
ALI 936AB
32' : 20296+3856
MLB 775
33' : 20252+3846
TDT2255
36' : 20241+3912
SEI1115
37' : 20240+3906
FGS 32
38' : 20239+3912
J 129
39' : 20272+3948
SEI1127
40' : 20272+3949
ES 1976
43' : 20298+3939
LSC 90
43' : 20235+3918
SEI1111
44' : 20276+3926
GUL 3
45' : 20296+3836
SEI1136
45' : 20236+3854
TDT2232AB
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 20271+3910 TDT 2284 : NOTES
No records found.
REFERENCES
No records found.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
20271+3910
TDT2284
1991
1
101
1.9
10.66
12.64
202707.45+390959.1
If you need more information about this double, apply for a
data request form
to the WDS.