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Doubles in session


Current system
21521+8348
LOC 499


Nearby doubles
35' : 21582+8421
WFC 238

35' : 21446+8420
LDS1960

47' : 21322+8316
TDT3014

47' : 21577+8433
TDT3261

56' : 21354+8300
LDS1956

57' : 21582+8252
STF2873AB

59' : 21370+8255
STF2837

73' : 22062+8240
MLR 257

76' : 21357+8459
LOC 492

89' : 22107+8513
LDS1974

91' : 21561+8218
TDT3247

96' : 21562+8212
LOC 500

97' : 21433+8523
MLR 252

102' : 21440+8208
MLR 251

109' : 21428+8535
UC 4536

114' : 21514+8154
LOC 496

122' : 22021+8147
LOC 514

127' : 21452+8554
A 775

128' : 21415+8555
TDT3110

133' : 21443+8559
TDT3127

154' : 21561+8115
LOC 494

156' : 21540+8112
LDS1962

161' : 21529+8627
LDS1964

164' : 22086+8107
LOC 513

166' : 21518+8102
KPP1343

175' : 21513+8053
MLR 253



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.

21521+8348 LOC 499

 
 
21h 52m 06.25s +83° 47' 37.3" P.A. 269.00 sep 10.8 mag 16.80,17.50
 
 
Coord 2000 21521+8348 Discov num LOC 499 Comp Coord arcsec 2000 21 52 06.25 +83 47 37.3
Date first 1999 Date last 2016 Obs 6
Pa first 269 Pa last 268.6 P.A. Now (θ) 268.6°
Sep first 10.6 Sep last 10.751 Sep. Now (ρ) 10.751"
Mag pri 16.80 Mag sec 17.50 delta mag (ΔM) 0.7 Spectral class
Pri motion ra +044 Sec motion ra +044
Pri motion dec +024 Sec motion dec +024
Notes V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus
 
 
WDS 21521+8348 LOC 499 : 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
21521+8348 LOC 499 2015 5 269 10.8 16.80 17.50 V 215206.25+834737.3
21521+8348 LOC 499 2016 6 269 10.8 16.80 17.50 V 215206.25+834737.3

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

 
 
WDS 21521+8348 LOC 499 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21521+8348 LOC 499 : MEASURES
 
 
No records found.

 
 
WDS 21521+8348 : VIRTUAL EYEPIECE
 
 

21521+8348 LOC 499A mag 16.8 21521+8348 LOC 499B sep 1.2 P.A. 257.30 mag 17.5 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 21521+8348 : ALADIN DSS IMAGE @ 21h 52m 06.25s +83° 47' 37.3"
 
 
 
 
WDS 21521+8348 LOC 499 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21521+8348 LOC 499 distance=0' 21582+8421 WFC 238 distance=35' 21446+8420 LDS1960 distance=35' 21322+8316 TDT3014 distance=47' 21577+8433 TDT3261 distance=47' 21354+8300 LDS1956 distance=56' 21582+8252 YSC 120Ba,Bb distance=57' 21582+8252 STF2873AB distance=57' 21582+8252 STF2873AC distance=57' 21370+8255 STF2837 distance=59' 22062+8240 MLR 257 distance=73' 21357+8459 LOC 492 distance=76' 22107+8513 LDS1974 distance=89' 21561+8218 TDT3247 distance=91' 21562+8212 LOC 500 distance=96' 21433+8523 MLR 252 distance=97' 21440+8208 MLR 251 distance=102' 21428+8535 UC 4536 distance=109' 21514+8154 LOC 496 distance=114' 22021+8147 LOC 514 distance=122' 21452+8554 A 775 distance=127' 21415+8555 TDT3110 distance=128' 21443+8559 TDT3127 distance=133' 21561+8115 LOC 494 distance=154' 21540+8112 LDS1962 distance=156' 21529+8627 LDS1964 distance=161' 22086+8107 LOC 513 distance=164' 21518+8102 KPP1343 distance=166' 21513+8053 MLR 253 distance=175' 21465+8053 TDT3151 distance=175' 21565+8042 LOC 498 distance=187' 21485+8008 LOC 497 distance=220' 21390+8002 LDS1958 distance=226' 21461+8001 LOC 495 distance=228' 22052+7945 LOC 512 distance=244' 21458+7937 TOI1893 distance=252' 21536+7922 LDS1961 distance=266' 22095+7852 HU 777 distance=299' 22086+7850 LOC 511 distance=300' 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 21521+8348 LOC 499 269 10.8
Show 21582+8421 WFC 238 167 9.6 35
Show 21446+8420 LDS1960 358 84.4 35
Show 21322+8316 TDT3014 217 1.6 47
Show 21577+8433 TDT3261 271 0.4 47
Show 21354+8300 LDS1956 351 62.2 56
Show 21582+8252 YSC 120 Ba,Bb 34 0.0 57
Show 21582+8252 STF2873 AB 65 13.7 57
Show 21582+8252 STF2873 AC 200 136.1 57
Show 21370+8255 STF2837 269 3.2 59
Show 22062+8240 MLR 257 263 0.2 73
Show 21357+8459 LOC 492 314 1.9 76
Show 22107+8513 LDS1974 347 13.2 89
Show 21561+8218 TDT3247 352 0.6 91
Show 21562+8212 LOC 500 200 5.2 96
Show 21433+8523 MLR 252 66 2.6 97
Show 21440+8208 MLR 251 43 1.6 102
Show 21428+8535 UC 4536 33 27.2 109
Show 21514+8154 LOC 496 251 5.3 114
Show 22021+8147 LOC 514 47 1.8 122
Show 21452+8554 A 775 205 2.8 127
Show 21415+8555 TDT3110 67 2.6 128
Show 21443+8559 TDT3127 117 0.5 133
Show 21561+8115 LOC 494 359 26.1 154
Show 21540+8112 LDS1962 167 26.2 156
Show 21529+8627 LDS1964 63 121.7 161
Show 22086+8107 LOC 513 355 2.4 164
Show 21518+8102 KPP1343 232 10.1 166
Show 21513+8053 MLR 253 129 1.6 175
Show 21465+8053 TDT3151 301 1.0 175
Show 21565+8042 LOC 498 104 1.4 187
Show 21485+8008 LOC 497 314 3.3 220
Show 21390+8002 LDS1958 206 8.5 226
Show 21461+8001 LOC 495 81 30.0 228
Show 22052+7945 LOC 512 354 14.5 244
Show 21458+7937 TOI1893 203 6.1 252
Show 21536+7922 LDS1961 29 208.9 266
Show 22095+7852 HU 777 249 0.4 299
Show 22086+7850 LOC 511 347 2.1 300

 
 
WDS 21521+8348 : COMPONENTS
 
 
  A
B pa=257.3°
sep=1.19"
 
 
21521+8348 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215206.25+834737.3 Mag 16.8 PmRA 44.00
PmDE 24.0
 
 
21521+8348 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215205.53+834737.0 Mag 17.5 PmRA 44.00
PmDE 24.0 Calc delta mag 0.7 Calc coord yes