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Doubles in session


Current system
20530+7932
TDT 2601


Nearby doubles
26' : 21010+7919
MLR 244

30' : 20496+8000
TDT2564

32' : 20460+7907
MLR 237AB

33' : 20499+7900
LOC 464

34' : 20423+7915
SKF1247

41' : 20554+8011
LDS1943

45' : 21021+7855
LOC 477

47' : 20477+8016
SKF1250

52' : 20372+8001
LDS1936

68' : 20397+8030
HDS2946

69' : 21070+8030
LOC 479

71' : 20592+7823
CON 38

72' : 21037+7827
KPP4222

75' : 20491+7818
LOC 463

77' : 20415+8042
LOC 466

78' : 20565+8049
UC 4338

84' : 21066+8048
TOK 632

84' : 20400+8048
LDS1937

96' : 20454+8105
LDS1938

107' : 20472+8117
TDT2537

108' : 20465+8118
KPP4213

110' : 21089+7752
LOC 476

115' : 21060+8121
PKO 31

119' : 21118+8121
LOC 571AB

127' : 21060+8134
LOC 480

142' : 21092+7719
LOC 474



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20530+7932 TDT 2601

 
 
20h 52m 57.86s +79° 31' 31.4" P.A. 350.00 sep 2.5 mag 11.71,12.58
 
 
Coord 2000 20530+7932 Discov num TDT2601 Comp Coord arcsec 2000 20 52 57.86 +79 31 31.4
Date first 1991 Date last 1991 Obs 1
Pa first 350 Pa last 350.3 P.A. Now (θ) 350.3°
Sep first 2.5 Sep last 2.53 Sep. Now (ρ) 2.53"
Mag pri 11.71 Mag sec 12.58 delta mag (ΔM) 0.87 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 4594-01019-1 Gaia DR2 2297154462173791232
 
 
WDS 20530+7932 TDT 2601 : 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
20530+7932 TDT2601 1991 1 350 2.5 11.71 12.58 205257.86+793131.4

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

 
 
WDS 20530+7932 TDT 2601 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20530+7932 TDT 2601 : MEASURES
 
 
No records found.

 
 
WDS 20530+7932 : VIRTUAL EYEPIECE
 
 

20530+7932 TDT2601A mag 11.71 20530+7932 TDT2601B sep 2.5 P.A. 358.20 mag 12.58 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 20530+7932 : ALADIN DSS IMAGE @ 20h 52m 57.86s +79° 31' 31.4"
 
 
 
 
WDS 20530+7932 TDT 2601 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20530+7932 TDT2601 distance=0' 21010+7919 MLR 244 distance=26' 20496+8000 TDT2564 distance=30' 20460+7907 MLR 237AB distance=32' 20499+7900 LOC 464 distance=33' 20423+7915 SKF1247 distance=34' 20554+8011 LDS1943 distance=41' 21021+7855 LOC 477 distance=45' 20477+8016 SKF1250 distance=47' 20372+8001 LDS1936 distance=52' 20397+8030 HDS2946 distance=68' 21070+8030 LOC 479 distance=69' 20592+7823 CON 38 distance=71' 21037+7827 KPP4222 distance=72' 20491+7818 LOC 463 distance=75' 20415+8042 LOC 466 distance=77' 20565+8049 UC 4338 distance=78' 21066+8048 TOK 632 distance=84' 20400+8048 LDS1937 distance=84' 20454+8105 LDS1938 distance=96' 20472+8117 TDT2537 distance=107' 20465+8118 KPP4213 distance=108' 21089+7752 LOC 476 distance=110' 21060+8121 PKO 31 distance=115' 21118+8121 LOC 571AB distance=119' 21118+8121 LOC 571AC distance=119' 21118+8121 LOC 571BC distance=119' 21060+8134 LOC 480 distance=127' 21092+7719 LOC 474 distance=142' 21087+7718 LOC 475 distance=142' 20520+8158 TDT2588 distance=147' 20512+7656 SLW1227 distance=156' 20449+8206 LOC 467 distance=156' 20546+7653 LOC 460 distance=159' 20546+8210 LOC 468 distance=159' 21121+7700 LOC 570AB distance=163' 21121+7700 LOC 570AC distance=163' 21121+7700 LOC 570BC distance=163' 20557+7648 UC 4331 distance=164' 20573+8219 LOC 470 distance=168' 21066+7648 LOC 473 distance=169' 20406+8227 TDT2464 distance=178' 21067+7623 KPP1325 distance=194' 20354+7619 OSW 17 distance=200' 20421+8251 LOC 469 distance=201' 20562+7611 UC 4336 distance=202' 21121+7619 STT 436 distance=202' 20345+8254 MLR 235 distance=207' 21040+7604 SLW1229 distance=211' 20550+7547 LDS1942 distance=224' 20374+7536 HEI 7 distance=241' 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 20530+7932 TDT2601 350 2.5
Show 21010+7919 MLR 244 188 2.5 26
Show 20496+8000 TDT2564 256 1.1 30
Show 20460+7907 MLR 237 AB 118 3.1 32
Show 20499+7900 LOC 464 336 2.1 33
Show 20423+7915 SKF1247 338 17.3 34
Show 20554+8011 LDS1943 314 15.8 41
Show 21021+7855 LOC 477 275 3.4 45
Show 20477+8016 SKF1250 333 4.3 47
Show 20372+8001 LDS1936 313 40.8 52
Show 20397+8030 HDS2946 143 0.2 68
Show 21070+8030 LOC 479 209 3.5 69
Show 20592+7823 CON 38 237 2.5 71
Show 21037+7827 KPP4222 264 2.0 72
Show 20491+7818 LOC 463 193 1.2 75
Show 20415+8042 LOC 466 26 1.2 77
Show 20565+8049 UC 4338 91 12.9 78
Show 21066+8048 TOK 632 53 999.9 84
Show 20400+8048 LDS1937 312 6.7 84
Show 20454+8105 LDS1938 321 18.2 96
Show 20472+8117 TDT2537 209 1.0 107
Show 20465+8118 KPP4213 148 5.2 108
Show 21089+7752 LOC 476 53 1.2 110
Show 21060+8121 PKO 31 119 9.6 115
Show 21118+8121 LOC 571 AB 87 12.7 119
Show 21118+8121 LOC 571 AC 199 2.1 119
Show 21118+8121 LOC 571 BC 259 13.6 119
Show 21060+8134 LOC 480 285 3.1 127
Show 21092+7719 LOC 474 350 10.6 142
Show 21087+7718 LOC 475 324 5.3 142
Show 20520+8158 TDT2588 293 0.7 147
Show 20512+7656 SLW1227 136 10.1 156
Show 20449+8206 LOC 467 231 22.7 156
Show 20546+7653 LOC 460 81 6.6 159
Show 20546+8210 LOC 468 320 5.5 159
Show 21121+7700 LOC 570 AB 109 24.0 163
Show 21121+7700 LOC 570 AC 109 24.5 163
Show 21121+7700 LOC 570 BC 83 0.6 163
Show 20557+7648 UC 4331 35 15.6 164
Show 20573+8219 LOC 470 263 3.1 168
Show 21066+7648 LOC 473 147 3.6 169
Show 20406+8227 TDT2464 181 1.3 178
Show 21067+7623 KPP1325 281 10.0 194
Show 20354+7619 OSW 17 198 65.6 200
Show 20421+8251 LOC 469 123 1.6 201
Show 20562+7611 UC 4336 300 22.3 202
Show 21121+7619 STT 436 227 12.0 202
Show 20345+8254 MLR 235 165 0.8 207
Show 21040+7604 SLW1229 1 16.6 211
Show 20550+7547 LDS1942 346 2.7 224
Show 20374+7536 HEI 7 231 0.7 241

 
 
WDS 20530+7932 : COMPONENTS
 
 
  A
B pa=358.2°
sep=2.50"
 
 
20530+7932 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205257.86+793131.4 Mag 11.71 PmRA -2.00
PmDE 9.0
 
 
20530+7932 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205257.83+793133.9 Mag 12.58 Calc delta mag 0.87
Calc coord yes