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Doubles in session


Current system
21289+1105
STF 2799 AB
HD 204509


Nearby doubles
6' : 21290+1100
GRV 470

38' : 21298+1031
UC 4476

44' : 21306+1140
BPM2383

47' : 21309+1141
J 178

50' : 21322+1055
HDS3061

53' : 21324+1054
LDS4894

53' : 21254+1121
A 887AB

58' : 21257+1140
BPM2374

64' : 21281+1002
GWP3062

66' : 21291+1211
BAR 56AB

67' : 21326+1121
J 1788

68' : 21299+1211
DBR 294AB

68' : 21248+1136
GWP3057

69' : 21299+1212
MAA 1

70' : 21300+1213
DBR 295

71' : 21337+1057
J 1789

81' : 21339+1139
CVR 907

84' : 21344+1127
BU 273

86' : 21236+1030
BRT1356

89' : 21245+1003
SKF 16

91' : 21227+1101
BPM2367

95' : 21225+1057
J 161

96' : 21224+1110
NSN 743

96' : 21223+1111
BRT1355

97' : 21222+1114
J 2605

98' : 21322+0941
KPP 926



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 21289+1105 STF 2799 AB (HD 204509) : NOTES
 
 
discov_num notes refcode
STF2799 STF2911.
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21289+1105 STF2799 AB 2007 427 260 1.8 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2008 432 262 1.7 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2009 434 261 1.8 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2010 438 261 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2011 441 259 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2012 441 261 1.7 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2014 407 261 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2015 411 261 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2016 414 259 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2018 416 260 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2020 420 258 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2021 422 259 1.9 7.37 7.44 F4V NO 212852.79+110505.2

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