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Current system
20408+7319
LDS 1939


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OSW 17



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

20408+7319 LDS 1939

 
 
20h 40m 40.02s +73° 19' 22.4" P.A. 227.00 sep 18.9 mag 18.70,20.80
 
 
Coord 2000 20408+7319 Discov num LDS1939 Comp Coord arcsec 2000 20 40 40.02 +73 19 22.4
Date first 1962 Date last 2015 Obs 7
Pa first 227 Pa last 226.9 P.A. Now (θ) 226.9°
Sep first 19.0 Sep last 18.883 Sep. Now (ρ) 18.883"
Mag pri 18.70 Mag sec 20.80 delta mag (ΔM) 2.1 Spectral class
Pri motion ra +241 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2275403442116288000
 
 
WDS 20408+7319 LDS 1939 : 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
20408+7319 LDS1939 2000 2 228 18.9 18.70 20.80 D 204040.02+731922.4
20408+7319 LDS1939 2010 3 227 18.9 18.70 20.80 204040.02+731922.4
20408+7319 LDS1939 2015 4 227 18.9 18.70 20.80 204040.02+731922.4

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

 
 
WDS 20408+7319 LDS 1939 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20408+7319 LDS 1939 : MEASURES
 
 
No records found.

 
 
WDS 20408+7319 : VIRTUAL EYEPIECE
 
 

20408+7319 LDS1939A mag 18.7 20408+7319 LDS1939B sep 13.5 P.A. 197.00 mag 20.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20408+7319 : ALADIN DSS IMAGE @ 20h 40m 40.02s +73° 19' 22.4"
 
 
 
 
WDS 20408+7319 LDS 1939 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20408+7319 LDS1939 distance=0' 20464+7332 TDS1099 distance=28' 20515+7304 LDS1941 distance=50' 20282+7333 MLR 233 distance=56' 20339+7229 LDS1933 distance=59' 20458+7219 MLB 421 distance=66' 20274+7245 A 871 distance=68' 20485+7429 MLR 238 distance=78' 20219+7347 HDS2909 distance=85' 20217+7345 A 870 distance=85' 20458+7146 SKF1249 distance=96' 20597+7417 A 879 distance=99' 20592+7224 MLB 423 distance=100' 20500+7455 VKI 38 distance=104' 21002+7432 CBL 530 distance=110' 20493+7131 MLB 422 distance=115' 20380+7119 MLB 420 distance=121' 20593+7455 A 878 distance=123' 20485+7517 LDS1940 distance=124' 20571+7138 TDT2652 distance=127' 20272+7522 TDT2285 distance=135' 20374+7536 HEI 7 distance=138' 20550+7547 LDS1942 distance=159' 20561+7052 TDT2640 distance=164' 20465+7036 MLB 363 distance=166' 20353+7030 A 873 distance=171' 20354+7619 OSW 17 distance=182' 20562+7611 UC 4336 distance=182' 20284+7015 MLB 362 distance=193' 20304+7634 TDT2327 distance=199' 20335+7002 TDT2370 distance=201' 20454+7000 MLR 93 distance=201' 20248+7641 TDT2248 distance=211' 20544+6957 A 1216CD distance=212' 20544+6957 A 1216AB distance=213' 20544+6957 A 1216AC distance=213' 20557+7648 UC 4331 distance=217' 20546+7653 LOC 460 distance=221' 20512+7656 SLW1227 distance=221' 20243+6927 LDS2452 distance=244' 20520+6910 JOD 19 distance=256' 21001+6917 TDT2686 distance=260' 20323+7753 LOC 450 distance=276' 20273+6846 HDS2925 distance=281' 20376+6834 TDT2433 distance=287' 20229+6832 MLB 361 distance=300' 20491+7818 LOC 463 distance=300' 20291+7819 KPP1433 distance=303' 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 20408+7319 LDS1939 227 18.9
Show 20464+7332 TDS1099 336 1.2 28
Show 20515+7304 LDS1941 234 1.6 50
Show 20282+7333 MLR 233 88 1.2 56
Show 20339+7229 LDS1933 175 7.0 59
Show 20458+7219 MLB 421 251 1.9 66
Show 20274+7245 A 871 184 0.3 68
Show 20485+7429 MLR 238 20 0.2 78
Show 20219+7347 HDS2909 238 0.7 85
Show 20217+7345 A 870 196 0.1 85
Show 20458+7146 SKF1249 281 39.0 96
Show 20597+7417 A 879 138 4.4 99
Show 20592+7224 MLB 423 247 5.9 100
Show 20500+7455 VKI 38 297 2.8 104
Show 21002+7432 CBL 530 285 48.6 110
Show 20493+7131 MLB 422 203 5.5 115
Show 20380+7119 MLB 420 276 3.6 121
Show 20593+7455 A 878 48 2.9 123
Show 20485+7517 LDS1940 133 10.0 124
Show 20571+7138 TDT2652 307 0.6 127
Show 20272+7522 TDT2285 154 0.6 135
Show 20374+7536 HEI 7 231 0.7 138
Show 20550+7547 LDS1942 346 2.7 159
Show 20561+7052 TDT2640 318 0.7 164
Show 20465+7036 MLB 363 211 3.2 166
Show 20353+7030 A 873 68 0.3 171
Show 20354+7619 OSW 17 198 65.6 182
Show 20562+7611 UC 4336 300 22.3 182
Show 20284+7015 MLB 362 26 5.4 193
Show 20304+7634 TDT2327 320 0.6 199
Show 20335+7002 TDT2370 148 0.7 201
Show 20454+7000 MLR 93 210 0.1 201
Show 20248+7641 TDT2248 243 0.4 211
Show 20544+6957 A 1216 CD 82 0.9 212
Show 20544+6957 A 1216 AB 327 20.1 213
Show 20544+6957 A 1216 AC 346 38.6 213
Show 20557+7648 UC 4331 35 15.6 217
Show 20546+7653 LOC 460 81 6.6 221
Show 20512+7656 SLW1227 136 10.1 221
Show 20243+6927 LDS2452 157 6.9 244
Show 20520+6910 JOD 19 172 0.5 256
Show 21001+6917 TDT2686 42 2.4 260
Show 20323+7753 LOC 450 293 3.2 276
Show 20273+6846 HDS2925 91 0.7 281
Show 20376+6834 TDT2433 101 1.0 287
Show 20229+6832 MLB 361 326 2.6 300
Show 20491+7818 LOC 463 193 1.2 300
Show 20291+7819 KPP1433 234 10.8 303

 
 
WDS 20408+7319 : COMPONENTS
 
 
  A
B pa=197.0°
sep=13.50"
 
 
20408+7319 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204040.02+731922.4 Mag 18.7 PmRA 241.00
PmDE 0.0
 
 
20408+7319 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204039.10+731909.5 Mag 20.8 Calc delta mag 2.1
Calc coord yes