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Current system
18388+2309
POU 3451


Nearby doubles
15' : 18378+2310
POU3443

16' : 18389+2324
TDT 972

23' : 18400+2324
POU3460

27' : 18402+2328
POU3464

28' : 18390+2337
POU3453

30' : 18369+2323
TDT 958

30' : 18368+2320
POU3438AB

31' : 18401+2335
POU3461

33' : 18392+2341
POU3454

34' : 18412+2318
POU3479

45' : 18416+2331
POU3486

47' : 18410+2346
POU3475

48' : 18406+2230
TDT 989

48' : 18389+2222
COU 207

48' : 18396+2356
TDT 980

51' : 18361+2344
HDS2639

51' : 18351+2302
TDT 948

53' : 18355+2336
STT 359

53' : 18403+2358
POU3466

54' : 18402+2358
POU3465

54' : 18354+2243
SLE 212

54' : 18371+2358
CVE 11

54' : 18415+2349
POU3483

54' : 18414+2350
POU3481

55' : 18370+2358
POU3440AB

56' : 18428+2302
POU3495



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

18388+2309 POU 3451

 
 
18h 38m 46.62s +23° 09' 19.5" P.A. 310.00 sep 7.4 mag 12.68,12.80
 
 
Coord 2000 18388+2309 Discov num POU3451 Comp Coord arcsec 2000 18 38 46.62 +23 09 19.5
Date first 1904 Date last 2015 Obs 11
Pa first 314 Pa last 310.3 P.A. Now (θ) 310.3°
Sep first 9.3 Sep last 7.408 Sep. Now (ρ) 7.408"
Mag pri 12.68 Mag sec 12.80 delta mag (ΔM) 0.12 Spectral class
Pri motion ra +021 Sec motion ra -003
Pri motion dec -027 Sec motion dec +002
Notes
rPM=1.101
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2107-01431-1 Gaia DR2 4532307090006294400
 
 
WDS 18388+2309 POU 3451 : 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
18388+2309 POU3451 1999 4 310 7.6 12.68 12.80 D 183846.62+230919.5
18388+2309 POU3451 2001 5 310 7.6 12.68 12.80 D 183846.62+230919.5
18388+2309 POU3451 2010 6 309 6.9 12.68 12.80 183846.62+230919.5
18388+2309 POU3451 2015 7 310 7.4 12.68 12.80 183846.62+230919.5

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

 
 
WDS 18388+2309 POU 3451 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18388+2309 POU 3451 : MEASURES
 
 
No records found.

 
 
WDS 18388+2309 : VIRTUAL EYEPIECE
 
 

18388+2309 POU3451A mag 12.68 18388+2309 POU3451B sep 7.1 P.A. 312.70 mag 12.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18388+2309 : ALADIN DSS IMAGE @ 18h 38m 46.62s +23° 09' 19.5"
 
 
 
 
WDS 18388+2309 POU 3451 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18388+2309 POU3451 distance=0' 18378+2310 POU3443 distance=15' 18389+2324 TDT 972 distance=16' 18400+2324 POU3460 distance=23' 18402+2328 POU3464 distance=27' 18390+2337 POU3453 distance=28' 18369+2323 TDT 958 distance=30' 18368+2320 POU3438AB distance=30' 18368+2320 POU3439AC distance=30' 18401+2335 POU3461 distance=31' 18392+2341 POU3454 distance=33' 18412+2318 POU3479 distance=34' 18416+2331 POU3486 distance=45' 18401+2351 POU3462BC distance=46' 18410+2346 POU3475 distance=47' 18406+2230 TDT 989 distance=48' 18389+2222 COU 207 distance=48' 18396+2356 TDT 980 distance=48' 18361+2344 HDS2639 distance=51' 18351+2302 TDT 948 distance=51' 18355+2336 STT 359 distance=53' 18403+2358 POU3466 distance=53' 18402+2358 POU3465 distance=54' 18354+2243 SLE 212 distance=54' 18371+2358 CVE 11 distance=54' 18415+2349 POU3483 distance=54' 18414+2350 POU3481 distance=54' 18370+2358 POU3440AB distance=55' 18370+2358 CVE 10AC distance=55' 18428+2302 POU3495 distance=56' 18426+2329 POU3493 distance=56' 18415+2352 POU3482 distance=57' 18406+2400 POU3469 distance=57' 18409+2358 POU3476 distance=57' 18429+2331 POU3496 distance=61' 18377+2409 POU3444 distance=62' 18343+2258 TDT 938 distance=63' 18433+2322 POU3500 distance=63' 18423+2352 POU3491 distance=64' 18370+2409 TDT 959 distance=65' 18395+2415 POU3455 distance=66' 18420+2221 TDT1008 distance=66' 18411+2407 POU3480 distance=67' 18428+2350 POU3494 distance=68' 18435+2327 POU3505 distance=68' 18339+2300 POU3431 distance=68' 18357+2403 POU3436 distance=68' 18431+2345 POU3498 distance=69' 18417+2405 POU3488 distance=69' 18438+2309 POU3509 distance=70' 18438+2312 POU3510 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 18388+2309 POU3451 310 7.4
Show 18378+2310 POU3443 43 2.8 15
Show 18389+2324 TDT 972 47 0.8 16
Show 18400+2324 POU3460 120 11.5 23
Show 18402+2328 POU3464 332 9.6 27
Show 18390+2337 POU3453 102 10.1 28
Show 18369+2323 TDT 958 255 0.4 30
Show 18368+2320 POU3438 AB 359 8.5 30
Show 18368+2320 POU3439 AC 56 15.2 30
Show 18401+2335 POU3461 244 3.1 31
Show 18392+2341 POU3454 274 13.3 33
Show 18412+2318 POU3479 178 7.2 34
Show 18416+2331 POU3486 349 21.1 45
Show 18401+2351 POU3462 BC 171 10.8 46
Show 18410+2346 POU3475 22 13.7 47
Show 18406+2230 TDT 989 233 2.4 48
Show 18389+2222 COU 207 298 1.6 48
Show 18396+2356 TDT 980 102 0.3 48
Show 18361+2344 HDS2639 137 0.1 51
Show 18351+2302 TDT 948 222 2.5 51
Show 18355+2336 STT 359 5 0.8 53
Show 18403+2358 POU3466 174 8.8 53
Show 18402+2358 POU3465 284 14.7 54
Show 18354+2243 SLE 212 255 14.3 54
Show 18371+2358 CVE 11 108 11.7 54
Show 18415+2349 POU3483 183 7.4 54
Show 18414+2350 POU3481 8 6.9 54
Show 18370+2358 POU3440 AB 105 6.6 55
Show 18370+2358 CVE 10 AC 348 5.7 55
Show 18428+2302 POU3495 40 5.4 56
Show 18426+2329 POU3493 177 6.2 56
Show 18415+2352 POU3482 260 4.0 57
Show 18406+2400 POU3469 205 7.6 57
Show 18409+2358 POU3476 245 8.1 57
Show 18429+2331 POU3496 52 9.7 61
Show 18377+2409 POU3444 349 5.3 62
Show 18343+2258 TDT 938 67 0.9 63
Show 18433+2322 POU3500 248 12.1 63
Show 18423+2352 POU3491 48 4.0 64
Show 18370+2409 TDT 959 180 0.5 65
Show 18395+2415 POU3455 85 13.3 66
Show 18420+2221 TDT1008 41 2.4 66
Show 18411+2407 POU3480 100 7.2 67
Show 18428+2350 POU3494 58 12.1 68
Show 18435+2327 POU3505 258 5.0 68
Show 18339+2300 POU3431 342 6.8 68
Show 18357+2403 POU3436 167 4.9 68
Show 18431+2345 POU3498 264 14.0 69
Show 18417+2405 POU3488 142 13.0 69
Show 18438+2309 POU3509 37 7.1 70
Show 18438+2312 POU3510 248 13.1 70

 
 
WDS 18388+2309 : COMPONENTS
 
 
  A
B pa=312.7°
sep=7.07"
 
 
18388+2309 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183846.62+230919.5 Mag 12.68 PmRA 21.00
PmDE -27.0 Tycho2 2107-01431-1
Tycho2
Tycho2 2107-01431-1 Pflag RAmdeg 279.69427626 DEmdeg 23.15543618
PmRA 64.0 PmDE -53.8 E RAmdeg 105 E DEmdeg 89
E pmRA 2.9 E pmDE 2.8 EpRAm 1972.05 EpDEm 1978.21
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 14.026 E BTmag 0.343 VTmag 12.684
E VTmag 0.186 Prox 999 TYC HIP
CCDM RAdeg 279.69410944 DEdeg 23.15556083 EpRA 1990 1.39
EpDE 1990 1.66 E RAdeg 118.8 E DEdeg 96.4 Posflg
Corr 0.0
 
 
18388+2309 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183846.24+230924.3 Mag 12.8 PmRA -3.00
PmDE 2.0 Calc delta mag 0.12 Calc coord yes