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Doubles in session


Current system
18204+2423
TDT 805 Aa,Ab


Nearby doubles
14' : 18194+2427
POU3386

14' : 18204+2437
POU3389

18' : 18216+2426
POU3393

19' : 18213+2409
COU 505

26' : 18218+2407
RAO 389

28' : 18213+2359
POU3392

31' : 18199+2354
POU3387

32' : 18220+2401
TDT 817

32' : 18194+2452
POU3385

34' : 18217+2356
COU 418

37' : 18186+2354
POU3382

38' : 18231+2426
POU3400

41' : 18192+2346
TDT 794

42' : 18218+2347
POU3394

43' : 18231+2445
POU3398AB

44' : 18233+2439
POU3401

45' : 18235+2429
POU3403

45' : 18234+2440
POU3402

45' : 18171+2421
POU3379

47' : 18177+2356
HJ 2831

50' : 18189+2338
TDT 790

51' : 18239+2435
POU3406

51' : 18240+2427
POU3407

51' : 18231+2349
POU3399

53' : 18209+2331
TDT 811

53' : 18174+2456
POU3380



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

18204+2423 TDT 805 Aa,Ab

 
 
18h 20m 22.55s +24° 23' 03.6" P.A. 235.00 sep 0.9 mag 11.59,11.76
 
 
Coord 2000 18204+2423 Discov num TDT 805 Comp Aa,Ab Coord arcsec 2000 18 20 22.55 +24 23 03.6
Date first 1991 Date last 2015 Obs 5
Pa first 246 Pa last 234.9 P.A. Now (θ) 234.9°
Sep first 1.4 Sep last 0.941 Sep. Now (ρ) 0.941"
Mag pri 11.59 Mag sec 11.76 delta mag (ΔM) 0.17 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
18204+2423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 20 23 +24 23 04 TDT 805 Aa,Ab 2015 5 235 0.9 11.59 11.76 0.17 <===
Show HD 335973 18 20 23 +24 23 04 POU 3388 AB 2018 16 57 14.6 11.59 11.24 0.35
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2097-01316-1 Gaia DR2 4578629755389560832
 
 
WDS 18204+2423 TDT 805 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Pou1933 Pa - Pourteau, M. A. .
Pou1933 Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933
Pou1933 (Obs. de Paris, H. Tessier) [QB821.P7]
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18204+2423 TDT 805 Aa,Ab 1991 1 246 1.4 11.59 11.76 182022.55+242303.6
18204+2423 TDT 805 Aa,Ab 2015 2 235 0.9 11.59 11.76 182022.55+242303.6

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

 
 
WDS 18204+2423 TDT 805 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18204+2423 TDT 805 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 18204+2423 : VIRTUAL EYEPIECE
 
 

18204+2423 POU3388A mag 11.59 18204+2423 TDT 805Ab sep 0.9 P.A. 232.30 mag 11.76 18204+2423 POU3388B sep 13.7 P.A. 54.10 mag 11.24 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18204+2423 : ALADIN DSS IMAGE @ 18h 20m 22.55s +24° 23' 03.6"
 
 
 
 
WDS 18204+2423 TDT 805 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18204+2423 TDT 805Aa,Ab distance=1' 18204+2423 POU3388AB distance=1' 18194+2427 POU3386 distance=14' 18204+2437 POU3389 distance=14' 18216+2426 POU3393 distance=18' 18213+2409 COU 505 distance=19' 18218+2407 RAO 389 distance=26' 18213+2359 POU3392 distance=28' 18199+2354 POU3387 distance=31' 18220+2401 TDT 817 distance=32' 18194+2452 POU3385 distance=32' 18217+2356 COU 418 distance=34' 18186+2354 POU3382 distance=37' 18231+2426 POU3400 distance=38' 18192+2346 TDT 794 distance=41' 18218+2347 POU3394 distance=42' 18231+2445 POU3398AB distance=43' 18231+2445 POU3398AC distance=43' 18233+2439 POU3401 distance=44' 18235+2429 POU3403 distance=45' 18234+2440 POU3402 distance=45' 18171+2421 POU3379 distance=45' 18177+2356 HJ 2831 distance=47' 18189+2338 TDT 790 distance=50' 18239+2435 POU3406 distance=51' 18240+2427 POU3407 distance=51' 18231+2349 POU3399 distance=51' 18209+2331 TDT 811 distance=53' 18174+2456 POU3380 distance=53' 18186+2513 TDT 789 distance=55' 18236+2350 POU3404AB distance=56' 18236+2350 POU3405AC distance=56' 18207+2327 POU3390 distance=57' 18190+2330 POU3383 distance=58' 18164+2401 POU3375 distance=58' 18212+2326 POU3391 distance=59' 18227+2334 POU3396 distance=59' 18162+2441 POU3373 distance=60' 18193+2325 SLE 152 distance=61' 18192+2525 HLM 11 distance=63' 18243+2351 POU3408 distance=63' 18228+2328 POU3397 distance=65' 18168+2340 POU3377 distance=65' 18207+2530 BRT3330 distance=67' 18157+2400 STF2301AB distance=68' 18157+2400 FOX 222AC distance=68' 18227+2323 POU3395 distance=68' 18157+2400 POU3370CD distance=68' 18161+2347 POU3372 distance=69' 18201+2532 STF2309 distance=69' 18234+2327 STF2314 distance=70' 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 18204+2423 TDT 805 Aa,Ab 235 0.9 1
Show 18204+2423 POU3388 AB 57 14.6 1
Show 18194+2427 POU3386 39 20.2 14
Show 18204+2437 POU3389 114 10.7 14
Show 18216+2426 POU3393 44 5.0 18
Show 18213+2409 COU 505 318 1.1 19
Show 18218+2407 RAO 389 221 0.3 26
Show 18213+2359 POU3392 132 13.8 28
Show 18199+2354 POU3387 85 11.6 31
Show 18220+2401 TDT 817 199 1.3 32
Show 18194+2452 POU3385 228 7.0 32
Show 18217+2356 COU 418 277 0.1 34
Show 18186+2354 POU3382 130 9.9 37
Show 18231+2426 POU3400 89 8.6 38
Show 18192+2346 TDT 794 30 0.6 41
Show 18218+2347 POU3394 86 11.9 42
Show 18231+2445 POU3398 AB 156 12.3 43
Show 18231+2445 POU3398 AC 134 11.6 43
Show 18233+2439 POU3401 124 12.3 44
Show 18235+2429 POU3403 324 13.1 45
Show 18234+2440 POU3402 59 6.8 45
Show 18171+2421 POU3379 101 7.8 45
Show 18177+2356 HJ 2831 339 17.4 47
Show 18189+2338 TDT 790 336 0.7 50
Show 18239+2435 POU3406 178 4.2 51
Show 18240+2427 POU3407 141 10.4 51
Show 18231+2349 POU3399 256 12.8 51
Show 18209+2331 TDT 811 246 1.0 53
Show 18174+2456 POU3380 74 12.9 53
Show 18186+2513 TDT 789 83 1.1 55
Show 18236+2350 POU3404 AB 267 9.5 56
Show 18236+2350 POU3405 AC 276 25.8 56
Show 18207+2327 POU3390 315 10.2 57
Show 18190+2330 POU3383 73 7.7 58
Show 18164+2401 POU3375 294 14.1 58
Show 18212+2326 POU3391 326 10.7 59
Show 18227+2334 POU3396 278 11.8 59
Show 18162+2441 POU3373 212 3.2 60
Show 18193+2325 SLE 152 33 9.4 61
Show 18192+2525 HLM 11 166 19.6 63
Show 18243+2351 POU3408 229 14.5 63
Show 18228+2328 POU3397 349 4.0 65
Show 18168+2340 POU3377 137 2.2 65
Show 18207+2530 BRT3330 287 3.8 67
Show 18157+2400 STF2301 AB 128 21.4 68
Show 18157+2400 FOX 222 AC 214 35.3 68
Show 18227+2323 POU3395 184 7.2 68
Show 18157+2400 POU3370 CD 141 7.9 68
Show 18161+2347 POU3372 283 9.8 69
Show 18201+2532 STF2309 352 3.4 69
Show 18234+2327 STF2314 331 2.7 70

 
 
WDS 18204+2423 : COMPONENTS
 
 
  A Ab
Ab pa=232.3°
sep=0.89"
 
B pa=54.1°
sep=13.68"
pa=54.0°
sep=14.56"
 
 
18204+2423 A
 
 
Name HD 335973 Coord arcsec 2000 182022.55+242303.6 Mag 11.59 PmRA -2.00
PmDE -6.0 Tycho2 2097-01316-1
Tycho2
Tycho2 2097-01316-1 Pflag P RAmdeg 275.09399945 DEmdeg 24.38434908
PmRA -4.2 PmDE -4.9 E RAmdeg 56 E DEmdeg 48
E pmRA 2.0 E pmDE 1.9 EpRAm 1981.19 EpDEm 1984.15
Num 4 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.5
Q pmDE 0.8 BTmag 12.086 E BTmag 0.102 VTmag 11.758
E VTmag 0.118 Prox 14 TYC T HIP
CCDM RAdeg 275.09382194 DEdeg 24.38428528 EpRA 1990 1.52
EpDE 1990 1.72 E RAdeg 62.0 E DEdeg 51.9 Posflg D
Corr -0.1
 
 
18204+2423 Ab
 
 
Coord arcsec 2000 182022.50+242303.1 Mag 11.76 PmRA -4.00 PmDE -5.0
Calc delta mag 0.17 Calc coord yes
 
 
18204+2423 B
 
 
Coord arcsec 2000 182023.36+242311.6 Mag 11.24 PmRA 8.00 PmDE -9.0
Tycho2 2097-01078-1 HD 335973 Calc delta mag 0.35 Calc coord yes
Tycho2
Tycho2 2097-01078-1 Pflag RAmdeg 275.09765639 DEmdeg 24.38660065
PmRA 6.6 PmDE -6.7 E RAmdeg 40 E DEmdeg 34
E pmRA 1.6 E pmDE 1.6 EpRAm 1984.31 EpDEm 1986.54
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 11.656 E BTmag 0.058 VTmag 11.242
E VTmag 0.067 Prox 137 TYC T HIP
CCDM RAdeg 275.09763917 DEdeg 24.38661611 EpRA 1990 1.52
EpDE 1990 1.73 E RAdeg 41.8 E DEdeg 35.1 Posflg
Corr -0.1