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Doubles in session


Current system
20485+7517
LDS 1940


Nearby doubles
25' : 20500+7455
VKI 38

38' : 20550+7547
LDS1942

45' : 20374+7536
HEI 7

49' : 20593+7455
A 878

50' : 20485+7429
MLR 238

60' : 20562+7611
UC 4336

66' : 21002+7432
CBL 530

70' : 21057+7501
TDT2739

74' : 21040+7604
SLW1229

77' : 20597+7417
A 879

78' : 20354+7619
OSW 17

93' : 21067+7623
KPP1325

94' : 20557+7648
UC 4331

98' : 20546+7653
LOC 460

99' : 20512+7656
SLW1227

100' : 20304+7634
TDT2327

108' : 20464+7332
TDS1099

112' : 21066+7648
LOC 473

124' : 20408+7319
LDS1939

136' : 20515+7304
LDS1941

150' : 21012+7258
A 880

164' : 20323+7753
LOC 450

180' : 20491+7818
LOC 463

180' : 20339+7229
LDS1933

181' : 20458+7219
MLB 421

181' : 20592+7224
MLB 423



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20485+7517 LDS 1940

 
 
20h 48m 14.94s +75° 18' 36.6" P.A. 133.00 sep 10.0 mag 16.90,17.80 Sp M4+M4
 
 
Coord 2000 20485+7517 Discov num LDS1940 Comp Coord arcsec 2000 20 48 14.94 +75 18 36.6
Date first 1962 Date last 2016 Obs 14
Pa first 132 Pa last 132.8 P.A. Now (θ) 132.8°
Sep first 9.0 Sep last 10.021 Sep. Now (ρ) 10.021"
Mag pri 16.90 Mag sec 17.80 delta mag (ΔM) 0.9 Spectral class M4+M4 (red/red)
Pri motion ra +090 Sec motion ra +092
Pri motion dec +186 Sec motion dec +190
Notes V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2277920365966899840
 
 
WDS 20485+7517 LDS 1940 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20485+7517 LDS1940 1999 2 133 10.0 17.00 17.80 DI 204814.94+751836.6
20485+7517 LDS1940 2003 4 133 10.0 16.90 17.80 DI 204814.94+751836.6
20485+7517 LDS1940 2010 5 133 9.0 16.90 17.80 M4+M4 V 204814.94+751836.6
20485+7517 LDS1940 2015 6 133 10.0 16.90 17.80 M4+M4 V 204814.94+751836.6
20485+7517 LDS1940 2016 14 133 10.0 16.90 17.80 M4+M4 V 204814.94+751836.6

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

 
 
WDS 20485+7517 LDS 1940 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20485+7517 LDS 1940 : MEASURES
 
 
No records found.

 
 
WDS 20485+7517 : VIRTUAL EYEPIECE
 
 

20485+7517 LDS1940A mag 16.9 Sp M4 20485+7517 LDS1940B sep 7.1 P.A. 164.70 mag 17.8 Sp M4 virtual eyepiece
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Radius:
Components only
 
 
WDS 20485+7517 : ALADIN DSS IMAGE @ 20h 48m 14.94s +75° 18' 36.6"
 
 
 
 
WDS 20485+7517 LDS 1940 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20485+7517 LDS1940 distance=1' 20500+7455 VKI 38 distance=25' 20550+7547 LDS1942 distance=38' 20374+7536 HEI 7 distance=45' 20593+7455 A 878 distance=49' 20485+7429 MLR 238 distance=50' 20562+7611 UC 4336 distance=60' 21002+7432 CBL 530 distance=66' 21057+7501 TDT2739 distance=70' 21040+7604 SLW1229 distance=74' 20597+7417 A 879 distance=77' 20354+7619 OSW 17 distance=78' 21067+7623 KPP1325 distance=93' 20557+7648 UC 4331 distance=94' 20546+7653 LOC 460 distance=98' 20512+7656 SLW1227 distance=99' 20304+7634 TDT2327 distance=100' 20464+7332 TDS1099 distance=108' 21066+7648 LOC 473 distance=112' 20408+7319 LDS1939 distance=124' 20515+7304 LDS1941 distance=136' 21012+7258 A 880 distance=150' 20323+7753 LOC 450 distance=164' 20491+7818 LOC 463 distance=180' 20339+7229 LDS1933 distance=180' 20458+7219 MLB 421 distance=181' 20592+7224 MLB 423 distance=181' 20592+7823 CON 38 distance=189' 20291+7819 KPP1433 distance=193' 21037+7827 KPP4222 distance=196' 20458+7146 SKF1249 distance=213' 20499+7900 LOC 464 distance=222' 21021+7855 LOC 477 distance=222' 20571+7138 TDT2652 distance=225' 20493+7131 MLB 422 distance=227' 20460+7907 MLR 237AB distance=229' 20423+7915 SKF1247 distance=238' 20380+7119 MLB 420 distance=243' 21010+7919 MLR 244 distance=244' 21059+7124 LDS1945 distance=248' 21078+7123 HDS3012 distance=251' 20530+7932 TDT2601 distance=254' 20561+7052 TDT2640 distance=269' 20496+8000 TDT2564 distance=281' 21045+7046 STF2771 distance=282' 20465+7036 MLB 363 distance=283' 20372+8001 LDS1936 distance=286' 20353+7030 A 873 distance=294' 20554+8011 LDS1943 distance=295' 20477+8016 SKF1250 distance=298' 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 20485+7517 LDS1940 133 10.0 1
Show 20500+7455 VKI 38 297 2.8 25
Show 20550+7547 LDS1942 346 2.7 38
Show 20374+7536 HEI 7 231 0.7 45
Show 20593+7455 A 878 48 2.9 49
Show 20485+7429 MLR 238 20 0.2 50
Show 20562+7611 UC 4336 300 22.3 60
Show 21002+7432 CBL 530 285 48.6 66
Show 21057+7501 TDT2739 1 2.0 70
Show 21040+7604 SLW1229 1 16.6 74
Show 20597+7417 A 879 138 4.4 77
Show 20354+7619 OSW 17 198 65.6 78
Show 21067+7623 KPP1325 281 10.0 93
Show 20557+7648 UC 4331 35 15.6 94
Show 20546+7653 LOC 460 81 6.6 98
Show 20512+7656 SLW1227 136 10.1 99
Show 20304+7634 TDT2327 320 0.6 100
Show 20464+7332 TDS1099 336 1.2 108
Show 21066+7648 LOC 473 147 3.6 112
Show 20408+7319 LDS1939 227 18.9 124
Show 20515+7304 LDS1941 234 1.6 136
Show 21012+7258 A 880 43 0.3 150
Show 20323+7753 LOC 450 293 3.2 164
Show 20491+7818 LOC 463 193 1.2 180
Show 20339+7229 LDS1933 175 7.0 180
Show 20458+7219 MLB 421 251 1.9 181
Show 20592+7224 MLB 423 247 5.9 181
Show 20592+7823 CON 38 237 2.5 189
Show 20291+7819 KPP1433 234 10.8 193
Show 21037+7827 KPP4222 264 2.0 196
Show 20458+7146 SKF1249 281 39.0 213
Show 20499+7900 LOC 464 336 2.1 222
Show 21021+7855 LOC 477 275 3.4 222
Show 20571+7138 TDT2652 307 0.6 225
Show 20493+7131 MLB 422 203 5.5 227
Show 20460+7907 MLR 237 AB 118 3.1 229
Show 20423+7915 SKF1247 338 17.3 238
Show 20380+7119 MLB 420 276 3.6 243
Show 21010+7919 MLR 244 188 2.5 244
Show 21059+7124 LDS1945 353 15.9 248
Show 21078+7123 HDS3012 190 0.9 251
Show 20530+7932 TDT2601 350 2.5 254
Show 20561+7052 TDT2640 318 0.7 269
Show 20496+8000 TDT2564 256 1.1 281
Show 21045+7046 STF2771 33 2.7 282
Show 20465+7036 MLB 363 211 3.2 283
Show 20372+8001 LDS1936 313 40.8 286
Show 20353+7030 A 873 68 0.3 294
Show 20554+8011 LDS1943 314 15.8 295
Show 20477+8016 SKF1250 333 4.3 298

 
 
WDS 20485+7517 : COMPONENTS
 
 
  A
B pa=164.7°
sep=7.06"
 
 
20485+7517 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204814.94+751836.6 Mag 16.9 Spectral class M4 (red)
PmRA 90.00 PmDE 186.0
 
 
20485+7517 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204815.43+751829.8 Mag 17.8 Spectral class M4 (red)
PmRA 92.00 PmDE 190.0 Calc delta mag 0.9 Calc coord yes