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Current system
18209+2331
TDT 811


Nearby doubles
6' : 18207+2327
POU3390

7' : 18212+2326
POU3391

22' : 18218+2347
POU3394

23' : 18193+2325
SLE 152

25' : 18227+2334
POU3396

26' : 18227+2323
POU3395

27' : 18228+2328
POU3397

27' : 18199+2354
POU3387

28' : 18190+2330
POU3383

28' : 18189+2338
TDT 790

28' : 18192+2346
TDT 794

28' : 18217+2356
COU 418

29' : 18213+2359
POU3392

34' : 18220+2401
TDT 817

35' : 18190+2307
POU3384

36' : 18234+2327
STF2314

37' : 18200+2257
SLE 155

37' : 18231+2349
POU3399

39' : 18218+2407
RAO 389

39' : 18186+2354
POU3382

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COU 505

40' : 18181+2318
BUP 181AB

44' : 18206+2248
STF2310

44' : 18236+2350
POU3404AB

51' : 18175+2312
POU3381

51' : 18177+2356
HJ 2831



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

18209+2331 TDT 811

 
 
18h 20m 51.76s +23° 30' 49.6" P.A. 246.00 sep 1.0 mag 12.34,12.51
 
 
Coord 2000 18209+2331 Discov num TDT 811 Comp Coord arcsec 2000 18 20 51.76 +23 30 49.6
Date first 1991 Date last 1991 Obs 1
Pa first 246 Pa last 246.4 P.A. Now (θ) 246.4°
Sep first 1.0 Sep last 0.95 Sep. Now (ρ) 0.95"
Mag pri 12.34 Mag sec 12.51 delta mag (ΔM) 0.17 Spectral class
Pri motion ra -009 Sec motion ra -009
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2093-00610-1 Gaia DR2 4530407511864476544
 
 
WDS 18209+2331 TDT 811 : 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
18209+2331 TDT 811 1991 1 246 1.0 12.34 12.51 182051.76+233049.6

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

 
 
WDS 18209+2331 TDT 811 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18209+2331 TDT 811 : MEASURES
 
 
No records found.

 
 
WDS 18209+2331 : VIRTUAL EYEPIECE
 
 

18209+2331 TDT 811A mag 12.34 18209+2331 TDT 811B sep 0.9 P.A. 244.50 mag 12.51 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18209+2331 : ALADIN DSS IMAGE @ 18h 20m 51.76s +23° 30' 49.6"
 
 
 
 
WDS 18209+2331 TDT 811 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18209+2331 TDT 811 distance=0' 18207+2327 POU3390 distance=6' 18212+2326 POU3391 distance=7' 18218+2347 POU3394 distance=22' 18193+2325 SLE 152 distance=23' 18227+2334 POU3396 distance=25' 18227+2323 POU3395 distance=26' 18228+2328 POU3397 distance=27' 18199+2354 POU3387 distance=27' 18190+2330 POU3383 distance=28' 18189+2338 TDT 790 distance=28' 18192+2346 TDT 794 distance=28' 18217+2356 COU 418 distance=28' 18213+2359 POU3392 distance=29' 18220+2401 TDT 817 distance=34' 18190+2307 POU3384 distance=35' 18234+2327 STF2314 distance=36' 18200+2257 SLE 155 distance=37' 18231+2349 POU3399 distance=37' 18218+2407 RAO 389 distance=39' 18186+2354 POU3382 distance=39' 18213+2409 COU 505 distance=39' 18181+2318 BUP 181AB distance=40' 18181+2318 BUP 181AC distance=40' 18206+2248 STF2310 distance=44' 18236+2350 POU3404AB distance=44' 18236+2350 POU3405AC distance=44' 18175+2312 POU3381 distance=51' 18177+2356 HJ 2831 distance=51' 18244+2314 BRT2444 distance=51' 18243+2351 POU3408 distance=53' 18204+2423 TDT 805Aa,Ab distance=53' 18204+2423 POU3388AB distance=53' 18171+2315 POU3378 distance=56' 18216+2426 POU3393 distance=56' 18168+2340 POU3377 distance=57' 18194+2427 POU3386 distance=60' 18165+2324 BUP 180BC distance=60' 18165+2324 BLL 32AB distance=61' 18165+2324 BUP 180AC distance=61' 18165+2336 POU3374 distance=61' 18163+2333 TDT 768 distance=63' 18231+2426 POU3400 distance=64' 18204+2437 POU3389 distance=67' 18161+2347 POU3372 distance=68' 18164+2401 POU3375 distance=68' 18235+2429 POU3403 distance=70' 18252+2254 TDT 848 distance=70' 18163+2301 TDT 769AB distance=71' 18163+2301 GII 263Aa,Ab distance=71' 18163+2301 TDT 769AC distance=71' 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 18209+2331 TDT 811 246 1.0
Show 18207+2327 POU3390 315 10.2 6
Show 18212+2326 POU3391 326 10.7 7
Show 18218+2347 POU3394 86 11.9 22
Show 18193+2325 SLE 152 33 9.4 23
Show 18227+2334 POU3396 278 11.8 25
Show 18227+2323 POU3395 184 7.2 26
Show 18228+2328 POU3397 349 4.0 27
Show 18199+2354 POU3387 85 11.6 27
Show 18190+2330 POU3383 73 7.7 28
Show 18189+2338 TDT 790 336 0.7 28
Show 18192+2346 TDT 794 30 0.6 28
Show 18217+2356 COU 418 277 0.1 28
Show 18213+2359 POU3392 132 13.8 29
Show 18220+2401 TDT 817 199 1.3 34
Show 18190+2307 POU3384 76 9.0 35
Show 18234+2327 STF2314 331 2.7 36
Show 18200+2257 SLE 155 70 10.9 37
Show 18231+2349 POU3399 256 12.8 37
Show 18218+2407 RAO 389 221 0.3 39
Show 18186+2354 POU3382 130 9.9 39
Show 18213+2409 COU 505 318 1.1 39
Show 18181+2318 BUP 181 AB 223 37.5 40
Show 18181+2318 BUP 181 AC 125 153.7 40
Show 18206+2248 STF2310 235 5.1 44
Show 18236+2350 POU3404 AB 267 9.5 44
Show 18236+2350 POU3405 AC 276 25.8 44
Show 18175+2312 POU3381 88 14.4 51
Show 18177+2356 HJ 2831 339 17.4 51
Show 18244+2314 BRT2444 259 3.5 51
Show 18243+2351 POU3408 229 14.5 53
Show 18204+2423 TDT 805 Aa,Ab 235 0.9 53
Show 18204+2423 POU3388 AB 57 14.6 53
Show 18171+2315 POU3378 200 4.3 56
Show 18216+2426 POU3393 44 5.0 56
Show 18168+2340 POU3377 137 2.2 57
Show 18194+2427 POU3386 39 20.2 60
Show 18165+2324 BUP 180 BC 248 17.3 60
Show 18165+2324 BLL 32 AB 2 126.7 61
Show 18165+2324 BUP 180 AC 354 120.7 61
Show 18165+2336 POU3374 340 6.9 61
Show 18163+2333 TDT 768 126 0.1 63
Show 18231+2426 POU3400 89 8.6 64
Show 18204+2437 POU3389 114 10.7 67
Show 18161+2347 POU3372 283 9.8 68
Show 18164+2401 POU3375 294 14.1 68
Show 18235+2429 POU3403 324 13.1 70
Show 18252+2254 TDT 848 236 0.5 70
Show 18163+2301 TDT 769 AB 22 0.5 71
Show 18163+2301 GII 263 Aa,Ab 136 0.1 71
Show 18163+2301 TDT 769 AC 286 2.0 71

 
 
WDS 18209+2331 : COMPONENTS
 
 
  A
B pa=244.5°
sep=0.88"
 
 
18209+2331 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182051.76+233049.6 Mag 12.34 PmRA -9.00
PmDE -5.0 Tycho2 2093-00610-1
Tycho2
Tycho2 2093-00610-1 Pflag RAmdeg 275.21557082 DEmdeg 23.51371997
PmRA -8.8 PmDE -4.6 E RAmdeg 59 E DEmdeg 42
E pmRA 1.7 E pmDE 1.6 EpRAm 1975.78 EpDEm 1983.89
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 12.591 E BTmag 0.141 VTmag 11.927
E VTmag 0.106 Prox 999 TYC HIP
CCDM RAdeg 275.21559361 DEdeg 23.51373056 EpRA 1990 1.40
EpDE 1990 1.77 E RAdeg 64.7 E DEdeg 43.6 Posflg
Corr -0.1
 
 
18209+2331 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182051.70+233049.2 Mag 12.51 PmRA -9.00
PmDE -5.0 Calc delta mag 0.17 Calc coord yes