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Doubles in session


Current system
18439+2344
POU 3511
HD 342881


Nearby doubles
8' : 18437+2337
POU3507

8' : 18441+2351
POU3513

10' : 18434+2349
POU3501AB

12' : 18431+2345
POU3498

13' : 18437+2332
POU3506

14' : 18445+2333
POU3516

18' : 18428+2350
POU3494

19' : 18452+2338
POU3528

19' : 18435+2327
POU3505

19' : 18453+2341
POU3529

20' : 18429+2331
POU3496

20' : 18438+2324
POU3508

24' : 18433+2322
POU3500

24' : 18441+2320
POU3512

24' : 18426+2329
POU3493

25' : 18423+2352
POU3491

25' : 18457+2343
POU3534

26' : 18459+2411
POU3538

26' : 18448+2405
POU3523

26' : 18457+2337
POU3535

28' : 18457+2357
POU3533

28' : 18451+2323
POU3525

29' : 18460+2339
POU3537

30' : 18453+2321
POU3530

30' : 18443+2315
POU3515

31' : 18461+2344
POU3539



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18439+2344 POU 3511 (HD 342881)

 
 
18h 43m 53.65s +23° 43' 55.8" P.A. 145.00 sep 23.2 mag 10.31,11.45 Sp M0
 
 
Coord 2000 18439+2344 Discov num POU3511 Comp Coord arcsec 2000 18 43 53.65 +23 43 55.8
Date first 1894 Date last 2015 Obs 17
Pa first 135 Pa last 144.8 P.A. Now (θ) 144.8°
Sep first 23.8 Sep last 23.245 Sep. Now (ρ) 23.245"
Mag pri 10.31 Mag sec 11.45 delta mag (ΔM) 1.14 Spectral class M0 (red)
Pri motion ra +007 Sec motion ra -022
Pri motion dec +004 Sec motion dec -016
Notes
rPM=1.295
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 342881 Constellation Hercules Tycho2 2108-01457-1 Gaia DR2 4532803382065486592
HD 342881
 
 
WDS 18439+2344 POU 3511 (HD 342881) : 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
18439+2344 POU3511 2007 10 143 23.7 10.31 11.45 D 184353.65+234355.8
18439+2344 POU3511 2008 11 144 23.3 10.31 11.45 D 184353.65+234355.8
18439+2344 POU3511 2010 13 144 23.3 10.31 11.45 M0 184353.65+234355.8
18439+2344 POU3511 2015 14 145 23.2 10.31 11.45 M0 184353.65+234355.8

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

 
 
WDS 18439+2344 POU 3511 (HD 342881) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18439+2344 POU 3511 (HD 342881) : MEASURES
 
 
No records found.

 
 
WDS 18439+2344 (HD 342881) : VIRTUAL EYEPIECE
 
 

18439+2344 POU3511A mag 10.31 Sp M0 18439+2344 POU3511B sep 22.6 P.A. 147.10 mag 11.45 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18439+2344 (HD 342881) : ALADIN DSS IMAGE @ 18h 43m 53.65s +23° 43' 55.8"
 
 
 
 
WDS 18439+2344 POU 3511 (HD 342881) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18439+2344 POU3511 distance=0' 18437+2337 POU3507 distance=8' 18441+2351 POU3513 distance=8' 18434+2349 POU3501AB distance=10' 18434+2349 POU3502AC distance=10' 18431+2345 POU3498 distance=12' 18437+2332 POU3506 distance=13' 18445+2333 POU3516 distance=14' 18428+2350 POU3494 distance=18' 18452+2338 POU3528 distance=19' 18435+2327 POU3505 distance=19' 18453+2341 POU3529 distance=19' 18429+2331 POU3496 distance=20' 18438+2324 POU3508 distance=20' 18433+2322 POU3500 distance=24' 18441+2320 POU3512 distance=24' 18426+2329 POU3493 distance=24' 18423+2352 POU3491 distance=25' 18457+2343 POU3534 distance=25' 18459+2411 POU3538 distance=26' 18448+2405 POU3523 distance=26' 18457+2337 POU3535 distance=26' 18457+2357 POU3533 distance=28' 18451+2323 POU3525 distance=28' 18460+2339 POU3537 distance=29' 18453+2321 POU3530 distance=30' 18443+2315 POU3515 distance=30' 18461+2344 POU3539 distance=31' 18452+2318 WLY 13 distance=32' 18438+2312 POU3510 distance=32' 18464+2347 POU3542 distance=34' 18415+2349 POU3483 distance=34' 18416+2331 POU3486 distance=35' 18415+2352 POU3482 distance=35' 18438+2309 POU3509 distance=35' 18451+2313 POU3527 distance=36' 18445+2310 POU3517 distance=36' 18414+2350 POU3481 distance=36' 18417+2405 POU3488 distance=36' 18455+2316 POU3532 distance=36' 18465+2334 POU3543 distance=36' 18429+2418 TDT1015 distance=37' 18462+2323 POU3540 distance=38' 18447+2420 TDT1026 distance=39' 18429+2420 POU3497 distance=39' 18467+2333 POU3545 distance=40' 18464+2402 POU3544 distance=40' 18410+2346 POU3475 distance=40' 18421+2419 POU3490 distance=42' 18409+2358 POU3476 distance=43' 18454+2420 POU3531 distance=43' 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 18439+2344 POU3511 145 23.2
Show 18437+2337 POU3507 104 7.8 8
Show 18441+2351 POU3513 268 5.3 8
Show 18434+2349 POU3501 AB 230 4.0 10
Show 18434+2349 POU3502 AC 318 12.7 10
Show 18431+2345 POU3498 264 14.0 12
Show 18437+2332 POU3506 84 8.9 13
Show 18445+2333 POU3516 198 4.7 14
Show 18428+2350 POU3494 58 12.1 18
Show 18452+2338 POU3528 2 5.8 19
Show 18435+2327 POU3505 258 5.0 19
Show 18453+2341 POU3529 160 10.8 19
Show 18429+2331 POU3496 52 9.7 20
Show 18438+2324 POU3508 27 11.6 20
Show 18433+2322 POU3500 248 12.1 24
Show 18441+2320 POU3512 54 11.6 24
Show 18426+2329 POU3493 177 6.2 24
Show 18423+2352 POU3491 48 4.0 25
Show 18457+2343 POU3534 184 10.5 25
Show 18459+2411 POU3538 125 5.1 26
Show 18448+2405 POU3523 255 8.8 26
Show 18457+2337 POU3535 42 16.9 26
Show 18457+2357 POU3533 328 12.5 28
Show 18451+2323 POU3525 233 10.2 28
Show 18460+2339 POU3537 336 5.5 29
Show 18453+2321 POU3530 301 11.3 30
Show 18443+2315 POU3515 239 12.1 30
Show 18461+2344 POU3539 236 5.5 31
Show 18452+2318 WLY 13 263 11.1 32
Show 18438+2312 POU3510 248 13.1 32
Show 18464+2347 POU3542 329 4.2 34
Show 18415+2349 POU3483 183 7.4 34
Show 18416+2331 POU3486 349 21.1 35
Show 18415+2352 POU3482 260 4.0 35
Show 18438+2309 POU3509 37 7.1 35
Show 18451+2313 POU3527 266 9.4 36
Show 18445+2310 POU3517 310 6.2 36
Show 18414+2350 POU3481 8 6.9 36
Show 18417+2405 POU3488 142 13.0 36
Show 18455+2316 POU3532 211 9.8 36
Show 18465+2334 POU3543 30 8.5 36
Show 18429+2418 TDT1015 214 0.4 37
Show 18462+2323 POU3540 213 11.9 38
Show 18447+2420 TDT1026 2 0.4 39
Show 18429+2420 POU3497 207 11.1 39
Show 18467+2333 POU3545 244 6.3 40
Show 18464+2402 POU3544 159 8.4 40
Show 18410+2346 POU3475 22 13.7 40
Show 18421+2419 POU3490 259 3.7 42
Show 18409+2358 POU3476 245 8.1 43
Show 18454+2420 POU3531 91 3.6 43

 
 
WDS 18439+2344 : COMPONENTS
 
 
  A
B pa=147.1°
sep=22.61"
 
 
18439+2344 A
 
 
Componente originario normalizzato AB Name HD 342881 Coord arcsec 2000 184353.65+234355.8 Mag 10.31
Spectral class M0 (red) PmRA 7.00 PmDE 4.0 Tycho2 2108-01457-1
HD 342881
Tycho2
Tycho2 2108-01457-1 Pflag RAmdeg 280.97354405 DEmdeg 23.73216279
PmRA 4.3 PmDE 0.6 E RAmdeg 28 E DEmdeg 24
E pmRA 1.3 E pmDE 1.2 EpRAm 1985.90 EpDEm 1987.42
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.6
Q pmDE 0.8 BTmag 12.002 E BTmag 0.087 VTmag 10.314
E VTmag 0.031 Prox 233 TYC T HIP
CCDM RAdeg 280.97353306 DEdeg 23.73216139 EpRA 1990 1.44
EpDE 1990 1.69 E RAdeg 29.2 E DEdeg 24.5 Posflg
Corr 0.0
CCDM
Ccdm 18439+2344 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs -3.9
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number +23 3433 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18397N2338A
HIC
 
 
18439+2344 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184354.54+234336.8 Mag 11.45 PmRA -22.00
PmDE -16.0 Tycho2 2108-00483-1 Calc delta mag 1.14 Calc coord yes
Tycho2
Tycho2 2108-00483-1 Pflag RAmdeg 280.97773203 DEmdeg 23.72696282
PmRA -23.5 PmDE -17.8 E RAmdeg 103 E DEmdeg 97
E pmRA 2.4 E pmDE 2.1 EpRAm 1921.16 EpDEm 1928.91
Num 4 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 12.326 E BTmag 0.133 VTmag 11.454
E VTmag 0.082 Prox 233 TYC HIP
CCDM RAdeg 280.97779222 DEdeg 23.72700417 EpRA 1990 1.41
EpDE 1990 1.69 E RAdeg 198.6 E DEdeg 165.1 Posflg
Corr 0.0
CCDM
Ccdm 18439+2344 RComp Comp B Note1
Note2 Discov num POU3511 DRAs 0.69 DDEs -22.8
R dRAs 65 Year 1895 Theta 138 Rho 22.7
Obs 2 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18397N2338B
HIC