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Doubles in session


Current system
18387+2439
HJ 1332
HD 172342


Nearby doubles
11' : 18379+2435
POU3448

14' : 18377+2443
POU3445

16' : 18380+2450
POU3449

17' : 18378+2450
POU3446

17' : 18397+2430
POU3457

17' : 18398+2443
POU3459

17' : 18386+2422
POU3450

18' : 18387+2422
POU3452

18' : 18397+2429
POU3456

18' : 18374+2437
POU3442

20' : 18401+2442
STF2364

20' : 18373+2433
POU3441

21' : 18379+2421
POU3447

25' : 18404+2439
POU3467

25' : 18405+2440
POU3468

26' : 18398+2459
POU3458

28' : 18395+2415
POU3455

29' : 18408+2437
POU3473

31' : 18407+2454
POU3470

32' : 18409+2447
POU3477

33' : 18377+2409
POU3444

33' : 18407+2423
POU3471

33' : 18410+2445
POU3478

34' : 18410+2450
A 2988

35' : 18362+2437
POU3437

35' : 18411+2447
LDS6330



Selections
Full WDS
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.

18387+2439 HJ 1332 (HD 172342)

 
 
18h 38m 41.51s +24° 38' 51.9" P.A. 232.00 sep 27.8 mag 8.16,10.36 Sp F5 dist. 91.91 pc (299.81 l.y.)
 
 
Coord 2000 18387+2439 Discov num HJ 1332 Comp Coord arcsec 2000 18 38 41.51 +24 38 51.9
Date first 1828 Date last 2017 Obs 21
Pa first 224 Pa last 232.1 P.A. Now (θ) 232.1°
Sep first 18.0 Sep last 27.757 Sep. Now (ρ) 27.757"
Mag pri 8.16 Mag sec 10.36 delta mag (ΔM) 2.2 Spectral class F5 (yellow-white)
Pri motion ra +017 Sec motion ra -007
Pri motion dec -016 Sec motion dec -009
Notes N (See Notes)
rPM=1.071
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172342 Constellation Hercules SAO 86275 HIP 91421
Tycho2 2111-00204-1 Gaia DR2 4536019865890476032 HD 172342 BD BD+24 3480
Distance 91.91 Distance ly 299.81
 
 
WDS 18387+2439 HJ 1332 (HD 172342) : NOTES
 
 
discov_num notes refcode
HJ 1332 B is BD+24@3479.
 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18387+2439 HJ 1332 2006 12 231 28.0 8.16 10.36 F5 N D 183841.51+243851.9
18387+2439 HJ 1332 2010 16 232 27.6 8.16 10.36 F5 N 183841.51+243851.9
18387+2439 HJ 1332 2017 17 233 27.8 8.16 10.36 F5 N 183841.51+243851.9

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

 
 
WDS 18387+2439 HJ 1332 (HD 172342) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18387+2439 HJ 1332 (HD 172342) : MEASURES
 
 
No records found.

 
 
WDS 18387+2439 (HD 172342) : VIRTUAL EYEPIECE
 
 

18387+2439 HJ 1332A mag 8.16 Sp F5 18387+2439 HJ 1332B sep 26.2 P.A. 229.40 mag 10.36 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 18387+2439 (HD 172342) : ALADIN DSS IMAGE @ 18h 38m 41.51s +24° 38' 51.9"
 
 
 
 
WDS 18387+2439 HJ 1332 (HD 172342) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18387+2439 HJ 1332 distance=0' 18379+2435 POU3448 distance=11' 18377+2443 POU3445 distance=14' 18380+2450 POU3449 distance=16' 18378+2450 POU3446 distance=17' 18397+2430 POU3457 distance=17' 18398+2443 POU3459 distance=17' 18386+2422 POU3450 distance=17' 18387+2422 POU3452 distance=18' 18397+2429 POU3456 distance=18' 18374+2437 POU3442 distance=18' 18401+2442 STF2364 distance=20' 18373+2433 POU3441 distance=20' 18379+2421 POU3447 distance=21' 18404+2439 POU3467 distance=25' 18405+2440 POU3468 distance=25' 18398+2459 POU3458 distance=26' 18395+2415 POU3455 distance=28' 18408+2437 POU3473 distance=29' 18407+2454 POU3470 distance=31' 18409+2447 POU3477 distance=32' 18377+2409 POU3444 distance=33' 18407+2423 POU3471 distance=33' 18410+2445 POU3478 distance=33' 18410+2450 A 2988 distance=34' 18362+2437 POU3437 distance=35' 18411+2447 LDS6330 distance=35' 18408+2417 POU3472 distance=37' 18370+2409 TDT 959 distance=38' 18414+2445 POU3484 distance=39' 18361+2452 A 249 distance=39' 18407+2509 SLE 499 distance=41' 18409+2506 POU3474 distance=42' 18412+2505 SLE 501 distance=43' 18419+2446 POU3489 distance=45' 18396+2356 TDT 980 distance=45' 18413+2506 SLE 502 distance=45' 18417+2422 POU3487 distance=45' 18402+2358 POU3465 distance=46' 18371+2358 CVE 11 distance=47' 18411+2407 POU3480 distance=47' 18403+2358 POU3466 distance=47' 18406+2400 POU3469 distance=48' 18370+2358 POU3440AB distance=48' 18370+2358 CVE 10AC distance=48' 18408+2518 SLE 500 distance=49' 18424+2438 POU3492 distance=51' 18350+2434 TDT 946 distance=51' 18421+2501 TDT1010 distance=51' 18421+2419 POU3490 distance=52' 18352+2419 KPP3331 distance=52' 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 18387+2439 HJ 1332 232 27.8
Show 18379+2435 POU3448 31 19.0 11
Show 18377+2443 POU3445 254 11.2 14
Show 18380+2450 POU3449 226 5.0 16
Show 18378+2450 POU3446 126 13.5 17
Show 18397+2430 POU3457 322 6.4 17
Show 18398+2443 POU3459 72 9.7 17
Show 18386+2422 POU3450 161 7.6 17
Show 18387+2422 POU3452 139 16.1 18
Show 18397+2429 POU3456 190 21.3 18
Show 18374+2437 POU3442 119 9.8 18
Show 18401+2442 STF2364 174 10.6 20
Show 18373+2433 POU3441 211 11.2 20
Show 18379+2421 POU3447 222 14.0 21
Show 18404+2439 POU3467 132 9.6 25
Show 18405+2440 POU3468 64 11.1 25
Show 18398+2459 POU3458 21 7.2 26
Show 18395+2415 POU3455 85 13.3 28
Show 18408+2437 POU3473 132 7.7 29
Show 18407+2454 POU3470 149 11.5 31
Show 18409+2447 POU3477 147 14.0 32
Show 18377+2409 POU3444 349 5.3 33
Show 18407+2423 POU3471 164 10.0 33
Show 18410+2445 POU3478 115 9.8 33
Show 18410+2450 A 2988 210 0.1 34
Show 18362+2437 POU3437 284 5.0 35
Show 18411+2447 LDS6330 5 4.5 35
Show 18408+2417 POU3472 38 6.3 37
Show 18370+2409 TDT 959 180 0.5 38
Show 18414+2445 POU3484 61 9.9 39
Show 18361+2452 A 249 278 1.0 39
Show 18407+2509 SLE 499 347 31.0 41
Show 18409+2506 POU3474 94 6.2 42
Show 18412+2505 SLE 501 314 19.3 43
Show 18419+2446 POU3489 165 10.2 45
Show 18396+2356 TDT 980 102 0.3 45
Show 18413+2506 SLE 502 94 6.2 45
Show 18417+2422 POU3487 152 11.0 45
Show 18402+2358 POU3465 284 14.7 46
Show 18371+2358 CVE 11 108 11.7 47
Show 18411+2407 POU3480 100 7.2 47
Show 18403+2358 POU3466 174 8.8 47
Show 18406+2400 POU3469 205 7.6 48
Show 18370+2358 POU3440 AB 105 6.6 48
Show 18370+2358 CVE 10 AC 348 5.7 48
Show 18408+2518 SLE 500 179 18.1 49
Show 18424+2438 POU3492 94 8.4 51
Show 18350+2434 TDT 946 91 0.8 51
Show 18421+2501 TDT1010 323 1.9 51
Show 18421+2419 POU3490 259 3.7 52
Show 18352+2419 KPP3331 5 2.5 52

 
 
WDS 18387+2439 : COMPONENTS
 
 
  A
B pa=229.4°
sep=26.21"
 
 
18387+2439 A
 
 
Componente originario normalizzato AB Name HD 172342 Coord arcsec 2000 183841.51+243851.9 Mag 8.16
Spectral class F5 (yellow-white) PmRA 17.00 PmDE -16.0 SAO 86275
HIP 91421 Tycho2 2111-00204-1 HD 172342 BD BD+24 3480
Tycho2
Tycho2 2111-00204-1 Pflag RAmdeg 279.67294095 DEmdeg 24.64775438
PmRA 18.1 PmDE -13.9 E RAmdeg 6 E DEmdeg 5
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.11 EpDEm 1991.33
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.1
Q pmDE 1.4 BTmag 8.599 E BTmag 0.016 VTmag 8.163
E VTmag 0.011 Prox 273 TYC T HIP 91421
CCDM RAdeg 279.67289417 DEdeg 24.64778611 EpRA 1990 1.54
EpDE 1990 1.71 E RAdeg 5.5 E DEdeg 4.7 Posflg
Corr -0.1
SAO
SAO 86275 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.018 Vmag 8.4 SpType F5
Double code Source 35 CatNum 6581 DM BD+24 3480
DMcomp BDsup HD 172342 M HD 0
GC RA1950rad 4.87222354 DE1950rad 0.42939308 PmRA2000 0.0016
PmDE2000 -0.019
Hipparcos
Catalog H HIP 91421 Proxy RAhms 18 38 41.49
DEdms +24 38 52.0 Vmag 8.12 VarFlag R Vmag H
RAdeg 279.673 DEdeg 24.6478 AstroRef Plx 10.48
CCDM 18387+2439 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 172342 BD BD+24 3480
CD CP Dm number +24 3480 VIred 0.48
SpType F5 R SpType Coord arcsec 2000 183841.49+243852.0
Hipparcos 2
HIP 91421 Sn 7 So 1 Nc 1
RArad 4.8812127702 DErad 0.4301850337 Plx 10.88 PmRA 30.36
PmDE -19.35 E RArad 0.46 E DErad 0.54 E Plx 0.82
E pmRA 0.56 E pmDE 0.72 Hpmag 8.2179 E Hpmag 0.0013
SHp 0.017 VA 0 BV 0.412 E BV 0.015
VI 0.48
CCDM
Ccdm 18387+2439 RComp Comp A Note1
Note2 Discov num DRAs -0.56 DDEs -8.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp F5 PmNote *
PmRA 4 PmDE -14 Dm number +24 3480 Cat1 BD
Name2 +24 1910 Cat2 AGK2/3 HD 172342 M HD
ADS BDS B 8702 M ADS BDS N IDS IDS 18346N2433A
HIC 91421
 
 
18387+2439 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183840.05+243834.8 Mag 10.36 PmRA -7.00
PmDE -9.0 Calc delta mag 2.2 Calc coord yes
CCDM
Ccdm 18387+2439 RComp Comp B Note1
Note2 Discov num HJ 1332 DRAs DDEs
R dRAs Year 1910 Theta 229 Rho 26.2
Obs 6 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number +24 3479 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS B 8702 M ADS BDS N IDS IDS 18346N2433B
HIC