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Current system
20415+8042
LOC 466


Nearby doubles
8' : 20400+8048
LDS1937

13' : 20397+8030
HDS2946

25' : 20454+8105
LDS1938

30' : 20477+8016
SKF1250

37' : 20565+8049
UC 4338

38' : 20295+8105
STT 593AB

38' : 20472+8117
TDT2537

38' : 20465+8118
KPP4213

42' : 20372+8001
LDS1936

46' : 20554+8011
LDS1943

47' : 20496+8000
TDT2564

54' : 20282+8125
BUP 211AB

77' : 20530+7932
TDT2601

80' : 20255+8152
LOC 452

81' : 20520+8158
TDT2588

85' : 20449+8206
LOC 467

87' : 20423+7915
SKF1247

93' : 20546+8210
LOC 468

96' : 20460+7907
MLR 237AB

98' : 21010+7919
MLR 244

103' : 20573+8219
LOC 470

104' : 20499+7900
LOC 464

105' : 20406+8227
TDT2464

129' : 20421+8251
LOC 469

133' : 20345+8254
MLR 235

139' : 20277+7828
KPP4200



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.

20415+8042 LOC 466

 
 
20h 41m 31.50s +80° 41' 46.0" P.A. 26.00 sep 1.2 mag 15.30,16.70
 
 
Coord 2000 20415+8042 Discov num LOC 466 Comp Coord arcsec 2000 20 41 31.50 +80 41 46.0
Date first 2015 Date last 2016 Obs 2
Pa first 26 Pa last 26.2 P.A. Now (θ) 26.2°
Sep first 1.2 Sep last 1.182 Sep. Now (ρ) 1.182"
Mag pri 15.30 Mag sec 16.70 delta mag (ΔM) 1.4 Spectral class
Pri motion ra +033 Sec motion ra +034
Pri motion dec +043 Sec motion dec +040
Notes V (Proper motion indicates physical)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco
 
 
WDS 20415+8042 LOC 466 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Loc2013 C - Locatelli, G. .
Loc2013 Il Bollettino Delle Stelle Doppie 7, 28, 2013
Loc2014 P - Locatelli, G. .
Loc2014 +E2 Il Bollettino Delle Stelle Doppie 8, 36, 2014
Loc2014b C j Locatelli, G. .
Loc2014b Il Bollettino Delle Stelle Doppie 9, 12, 2014
Loc2014c C j Locatelli, G. .
Loc2014c +E2 Il Bollettino Delle Stelle Doppie 11, 20, 2014
Loc2014c +P
Loc2015a C j Locatelli, G. .
Loc2015a +E2 Il Bollettino Delle Stelle Doppie 12, 10, 2015
Loc2015a +P
Loc2015b C j Locatelli, G. .
Loc2015b Il Bollettino Delle Stelle Doppie 13, 11, 2015
Loc2015c - Locatelli, G. .
Loc2015c Il Bollettino Delle Stelle Doppie 14, 16, 2015
Loc2016 C - Locatelli, G. .
Loc2016 +Pp Il Bollettino Delle Stelle Doppie 16, 9, 2016
Loc2016b C j Locatelli, G. .
Loc2016b Il Bollettino Delle Stelle Doppie 17, 16, 2016
Loc2016c C j Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G. .
Loc2016c Il Bollettino Delle Stelle Doppie 17, 25, 2016
Loc2016d C j Locatelli, G. .
Loc2016d Il Bollettino Delle Stelle Doppie 19, 4, 2016
Loc2017a C j Locatelli, G. .
Loc2017a Il Bollettino Delle Stelle Doppie 20, 19, 2017
Loc2017b C j Locatelli, G. 2017OED....19...34L
Loc2017b El Observador de Estrellas Dobles, Issue #19, 34, 2017
Loc2019 Hg j Locatelli, G. 2019OED....22...27L
Loc2019 El Observador de Estrellas Dobles, Issue #22, 27, 2019
Loc2019b Hg j Locatelli, G. 2019OED....23...39L
Loc2019b El Observador de Estrellas Dobles, Issue #23, 39, 2019
Loc2019b Note: pairs already in WDS or WDSS not added.
Loc2019c Hg j Locatelli, G. 2019OED....23...63L
Loc2019c El Observador de Estrellas Dobles, Issue #23, 63, 2019
Loc2019c Note: pairs already in WDS or WDSS not added.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20415+8042 LOC 466 2015 1 26 1.2 15.30 16.70 V 204131.50+804146.0
20415+8042 LOC 466 2016 2 26 1.2 15.30 16.70 V 204131.50+804146.0

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

 
 
WDS 20415+8042 LOC 466 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20415+8042 LOC 466 : MEASURES
 
 
No records found.

 
 
WDS 20415+8042 : VIRTUAL EYEPIECE
 
 

20415+8042 LOC 466A mag 15.3 20415+8042 LOC 466B sep 1.1 P.A. 4.50 mag 16.7 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20415+8042 : ALADIN DSS IMAGE @ 20h 41m 31.50s +80° 41' 46.0"
 
 
 
 
WDS 20415+8042 LOC 466 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20415+8042 LOC 466 distance=0' 20400+8048 LDS1937 distance=8' 20397+8030 HDS2946 distance=13' 20454+8105 LDS1938 distance=25' 20477+8016 SKF1250 distance=30' 20565+8049 UC 4338 distance=37' 20295+8105 STT 593AB distance=38' 20472+8117 TDT2537 distance=38' 20295+8105 BUP 212BC distance=38' 20465+8118 KPP4213 distance=38' 20372+8001 LDS1936 distance=42' 20554+8011 LDS1943 distance=46' 20496+8000 TDT2564 distance=47' 20282+8125 BUP 211AB distance=54' 20282+8125 STH 7AC distance=54' 20530+7932 TDT2601 distance=77' 20255+8152 LOC 452 distance=80' 20520+8158 TDT2588 distance=81' 20449+8206 LOC 467 distance=85' 20423+7915 SKF1247 distance=87' 20546+8210 LOC 468 distance=93' 20460+7907 MLR 237AB distance=96' 21010+7919 MLR 244 distance=98' 20573+8219 LOC 470 distance=103' 20499+7900 LOC 464 distance=104' 20406+8227 TDT2464 distance=105' 20421+8251 LOC 469 distance=129' 20345+8254 MLR 235 distance=133' 20277+7828 KPP4200 distance=139' 20277+8257 MLR 234 distance=139' 20491+7818 LOC 463 distance=146' 20291+7819 KPP1433 distance=147' 20592+7823 CON 38 distance=147' 20323+7753 LOC 450 distance=171' 20228+8334 TDT2220 distance=177' 20319+8350 LOC 456 distance=190' 20512+7656 SLW1227 distance=228' 20546+7653 LOC 460 distance=232' 20557+7648 UC 4331 distance=237' 20248+7641 TDT2248 distance=246' 20304+7634 TDT2327 distance=251' 20354+7619 OSW 17 distance=264' 20487+8506 LOC 471AB distance=265' 20562+7611 UC 4336 distance=275' 20550+7547 LDS1942 distance=297' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20415+8042 LOC 466 26 1.2
Show 20400+8048 LDS1937 312 6.7 8
Show 20397+8030 HDS2946 143 0.2 13
Show 20454+8105 LDS1938 321 18.2 25
Show 20477+8016 SKF1250 333 4.3 30
Show 20565+8049 UC 4338 91 12.9 37
Show 20295+8105 STT 593 AB 36 214.4 38
Show 20472+8117 TDT2537 209 1.0 38
Show 20295+8105 BUP 212 BC 293 100.4 38
Show 20465+8118 KPP4213 148 5.2 38
Show 20372+8001 LDS1936 313 40.8 42
Show 20554+8011 LDS1943 314 15.8 46
Show 20496+8000 TDT2564 256 1.1 47
Show 20282+8125 BUP 211 AB 11 109.5 54
Show 20282+8125 STH 7 AC 282 196.6 54
Show 20530+7932 TDT2601 350 2.5 77
Show 20255+8152 LOC 452 150 1.1 80
Show 20520+8158 TDT2588 293 0.7 81
Show 20449+8206 LOC 467 231 22.7 85
Show 20423+7915 SKF1247 338 17.3 87
Show 20546+8210 LOC 468 320 5.5 93
Show 20460+7907 MLR 237 AB 118 3.1 96
Show 21010+7919 MLR 244 188 2.5 98
Show 20573+8219 LOC 470 263 3.1 103
Show 20499+7900 LOC 464 336 2.1 104
Show 20406+8227 TDT2464 181 1.3 105
Show 20421+8251 LOC 469 123 1.6 129
Show 20345+8254 MLR 235 165 0.8 133
Show 20277+7828 KPP4200 166 1.7 139
Show 20277+8257 MLR 234 94 0.6 139
Show 20491+7818 LOC 463 193 1.2 146
Show 20291+7819 KPP1433 234 10.8 147
Show 20592+7823 CON 38 237 2.5 147
Show 20323+7753 LOC 450 293 3.2 171
Show 20228+8334 TDT2220 59 0.4 177
Show 20319+8350 LOC 456 266 1.1 190
Show 20512+7656 SLW1227 136 10.1 228
Show 20546+7653 LOC 460 81 6.6 232
Show 20557+7648 UC 4331 35 15.6 237
Show 20248+7641 TDT2248 243 0.4 246
Show 20304+7634 TDT2327 320 0.6 251
Show 20354+7619 OSW 17 198 65.6 264
Show 20487+8506 LOC 471 AB 331 1.5 265
Show 20562+7611 UC 4336 300 22.3 275
Show 20550+7547 LDS1942 346 2.7 297

 
 
WDS 20415+8042 : COMPONENTS
 
 
  A
B pa=4.5°
sep=1.06"
 
 
20415+8042 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204131.50+804146.0 Mag 15.3 PmRA 33.00
PmDE 43.0
 
 
20415+8042 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204131.53+804147.1 Mag 16.7 PmRA 34.00
PmDE 40.0 Calc delta mag 1.4 Calc coord yes