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Doubles in session


Current system
21118+8121
LOC 571 AB


Nearby doubles
13' : 21157+8114
MLR 245

14' : 21060+8121
PKO 31

15' : 21147+8133
LOC 478

19' : 21060+8134
LOC 480

28' : 21196+8143
AZC 180

36' : 21066+8048
TOK 632

48' : 20565+8049
UC 4338

50' : 21164+8210
LDS1949

51' : 21170+8210
LOC 482

52' : 21070+8030
LOC 479

58' : 20520+8158
TDT2588

62' : 21185+8021
STF2801

62' : 20546+8210
LOC 468

66' : 20573+8219
LOC 470

72' : 21176+8231
STF2807

80' : 20554+8011
LDS1943

99' : 21223+7945
MLR 246

108' : 21249+7938
LOC 489

119' : 20530+7932
TDT2601

119' : 21239+8317
HDS3049

126' : 21010+7919
MLR 244

138' : 21236+8337
LOC 491

142' : 21217+7902
UC 4456

147' : 21290+7901
TDT2985

148' : 21021+7855
LOC 477

156' : 21105+8356
LOC 481



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.

21118+8121 LOC 571 AB

 
 
21h 11m 49.90s +81° 20' 39.8" P.A. 87.00 sep 12.7 mag 16.80,18.30
 
 
Coord 2000 21118+8121 Discov num LOC 571 Comp AB Coord arcsec 2000 21 11 49.90 +81 20 39.8
Date first 1999 Date last 2015 Obs 6
Pa first 86 Pa last 87.3 P.A. Now (θ) 87.3°
Sep first 12.9 Sep last 12.737 Sep. Now (ρ) 12.737"
Mag pri 16.80 Mag sec 18.30 delta mag (ΔM) 1.5 Spectral class
Pri motion ra +047 Sec motion ra +046
Pri motion dec +067 Sec motion dec +067
Notes V (Proper motion indicates physical)
rPM=0.012 (< 0.3, Physical double)
This double is physical.
 
 
21118+8121 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 11 50 +81 20 40 LOC 571 AB 2015 6 87 12.7 16.80 18.30 1.50 <===
Show 21 11 50 +81 20 40 LOC 571 AC 2015 1 199 2.1 16.80 18.60 1.80
Show 21 11 56 +81 20 40 LOC 571 BC 2015 6 259 13.6 18.30 18.60 0.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus
 
 
WDS 21118+8121 LOC 571 AB : 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
21118+8121 LOC 571 AB 2015 6 87 12.7 16.80 18.30 V 211149.90+812039.8

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

 
 
WDS 21118+8121 LOC 571 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21118+8121 LOC 571 AB : MEASURES
 
 
No records found.

 
 
WDS 21118+8121 : VIRTUAL EYEPIECE
 
 

21118+8121 LOC 571A mag 16.8 21118+8121 LOC 571B sep 12.7 P.A. 87.30 mag 18.3 21118+8121 LOC 571C sep 2.0 P.A. 183.00 mag 18.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21118+8121 : ALADIN DSS IMAGE @ 21h 11m 49.90s +81° 20' 39.8"
 
 
 
 
WDS 21118+8121 LOC 571 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21118+8121 LOC 571AB distance=0' 21118+8121 LOC 571BC distance=1' 21157+8114 MLR 245 distance=13' 21060+8121 PKO 31 distance=14' 21147+8133 LOC 478 distance=15' 21060+8134 LOC 480 distance=19' 21196+8143 AZC 180 distance=28' 21066+8048 TOK 632 distance=36' 20565+8049 UC 4338 distance=48' 21164+8210 LDS1949 distance=50' 21170+8210 LOC 482 distance=51' 21070+8030 LOC 479 distance=52' 20520+8158 TDT2588 distance=58' 21185+8021 STF2801 distance=62' 20546+8210 LOC 468 distance=62' 20573+8219 LOC 470 distance=66' 21176+8231 STF2807 distance=72' 20554+8011 LDS1943 distance=80' 21223+7945 MLR 246 distance=99' 21249+7938 LOC 489 distance=108' 20530+7932 TDT2601 distance=119' 21239+8317 HDS3049 distance=119' 21010+7919 MLR 244 distance=126' 21207+7916 LDS1950AC distance=126' 21236+8337 LOC 491 distance=138' 21217+7902 UC 4456 distance=142' 21290+7901 TDT2985 distance=147' 21021+7855 LOC 477 distance=148' 21105+8356 LOC 481 distance=156' 21156+7836 STF2796 distance=166' 21210+8413 MLR 247 distance=174' 21037+7827 KPP4222 distance=176' 21278+7830 LOC 487 distance=176' 21235+8417 SKF 397AB distance=178' 20592+7823 CON 38 distance=181' 21271+7822 UC 4469 distance=183' 21211+8436 MLR 248 distance=197' 21202+7804 KPP4234 distance=199' 21089+7752 LOC 476 distance=209' 21288+7756 HU 771 distance=210' 21152+8501 LOC 483 distance=221' 21276+7744 LOC 486 distance=221' 21092+7719 LOC 474 distance=242' 21246+7720 LDS1951 distance=243' 21087+7718 LOC 475 distance=244' 21121+7700 LOC 570AB distance=261' 21121+7700 LOC 570AC distance=261' 21121+7700 LOC 570BC distance=262' 21175+7658 LDS1948 distance=263' 20546+7653 LOC 460 distance=272' 21159+7649 LOC 472 distance=273' 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 21118+8121 LOC 571 AB 87 12.7
Show 21118+8121 LOC 571 AC 199 2.1
Show 21118+8121 LOC 571 BC 259 13.6 1
Show 21157+8114 MLR 245 41 1.2 13
Show 21060+8121 PKO 31 119 9.6 14
Show 21147+8133 LOC 478 333 1.5 15
Show 21060+8134 LOC 480 285 3.1 19
Show 21196+8143 AZC 180 6 52.1 28
Show 21066+8048 TOK 632 53 999.9 36
Show 20565+8049 UC 4338 91 12.9 48
Show 21164+8210 LDS1949 106 15.4 50
Show 21170+8210 LOC 482 75 1.7 51
Show 21070+8030 LOC 479 209 3.5 52
Show 20520+8158 TDT2588 293 0.7 58
Show 21185+8021 STF2801 271 2.1 62
Show 20546+8210 LOC 468 320 5.5 62
Show 20573+8219 LOC 470 263 3.1 66
Show 21176+8231 STF2807 310 1.8 72
Show 20554+8011 LDS1943 314 15.8 80
Show 21223+7945 MLR 246 47 3.1 99
Show 21249+7938 LOC 489 31 1.5 108
Show 20530+7932 TDT2601 350 2.5 119
Show 21239+8317 HDS3049 339 0.3 119
Show 21010+7919 MLR 244 188 2.5 126
Show 21207+7916 LDS1950 AC 287 5.3 126
Show 21236+8337 LOC 491 64 1.1 138
Show 21217+7902 UC 4456 353 30.2 142
Show 21290+7901 TDT2985 212 0.5 147
Show 21021+7855 LOC 477 275 3.4 148
Show 21105+8356 LOC 481 15 21.0 156
Show 21156+7836 STF2796 42 26.7 166
Show 21210+8413 MLR 247 301 2.1 174
Show 21037+7827 KPP4222 264 2.0 176
Show 21278+7830 LOC 487 256 2.1 176
Show 21235+8417 SKF 397 AB 200 3.7 178
Show 20592+7823 CON 38 237 2.5 181
Show 21271+7822 UC 4469 188 9.1 183
Show 21211+8436 MLR 248 107 0.5 197
Show 21202+7804 KPP4234 212 3.6 199
Show 21089+7752 LOC 476 53 1.2 209
Show 21288+7756 HU 771 193 2.6 210
Show 21152+8501 LOC 483 274 36.1 221
Show 21276+7744 LOC 486 337 4.2 221
Show 21092+7719 LOC 474 350 10.6 242
Show 21246+7720 LDS1951 347 2.4 243
Show 21087+7718 LOC 475 324 5.3 244
Show 21121+7700 LOC 570 AB 109 24.0 261
Show 21121+7700 LOC 570 AC 109 24.5 261
Show 21121+7700 LOC 570 BC 83 0.6 262
Show 21175+7658 LDS1948 305 8.7 263
Show 20546+7653 LOC 460 81 6.6 272

 
 
WDS 21118+8121 : COMPONENTS
 
 
  A B
B pa=87.3°
sep=12.72"
 
C pa=183.0°
sep=1.96"
pa=258.7°
sep=13.06"
 
 
21118+8121 A
 
 
Coord arcsec 2000 211149.90+812039.8 Mag 16.8 PmRA 47.00 PmDE 67.0
 
 
21118+8121 B
 
 
Coord arcsec 2000 211155.53+812040.4 Coord calc 211155.53+812040.4 Mag 18.3 PmRA 46.00
PmDE 67.0 Calc delta mag 1.5
 
 
21118+8121 C
 
 
Coord arcsec 2000 211149.86+812037.8 Mag 18.6 PmRA 46.00 PmDE 67.0
Calc delta mag 1.8 Calc coord yes