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Current system
18157+2400
POU 3370 CD


Nearby doubles
11' : 18164+2401
POU3375

13' : 18152+2350
POU3369

13' : 18161+2347
POU3372

19' : 18150+2345
POU3367

21' : 18145+2346
POU3365

25' : 18168+2340
POU3377

26' : 18165+2336
POU3374

27' : 18177+2356
HJ 2831

28' : 18163+2333
TDT 768

29' : 18171+2421
POU3379

29' : 18146+2335
HU 318AB

32' : 18151+2429
POU3368AB

37' : 18165+2324
BLL 32AB

39' : 18134+2338
TDT 746

39' : 18156+2321
SLE 148

41' : 18186+2354
POU3382

42' : 18162+2441
POU3373

48' : 18148+2314
POU3366

48' : 18171+2315
POU3378

48' : 18127+2424
SLE 142AB

49' : 18189+2338
TDT 790

50' : 18192+2346
TDT 794

50' : 18122+2352
POU3359

53' : 18127+2431
POU3361

53' : 18175+2312
POU3381

53' : 18190+2330
POU3383



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Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18157+2400 POU 3370 CD

 
 
18h 15m 44.47s +23° 59' 16.4" P.A. 141.00 sep 7.9 mag 13.02,14.08
 
 
Coord 2000 18157+2400 Discov num POU3370 Comp CD Coord arcsec 2000 18 15 44.47 +23 59 16.4
Date first 1904 Date last 2015 Obs 11
Pa first 132 Pa last 141 P.A. Now (θ) 141°
Sep first 6.8 Sep last 7.895 Sep. Now (ρ) 7.895"
Mag pri 13.02 Mag sec 14.08 delta mag (ΔM) 1.06 Spectral class
Pri motion ra -052 Sec motion ra +013
Pri motion dec +068 Sec motion dec -032
Notes
rPM=1.393
This double is not physical.
 
 
18157+2400 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 167783 85869 18 15 46 +23 59 46 STF 2301 AB 2015 36 128 21.4 8.84 9.78 0.94
Show 85869 18 15 46 +23 59 46 FOX 222 AC 2015 9 214 35.3 8.84 13.02 4.18
Show 18 15 44 +23 59 16 POU 3370 CD 2015 11 141 7.9 13.02 14.08 1.06 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4578557256347483392
 
 
WDS 18157+2400 POU 3370 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Fox1909 Ma - Fox, P. 1909AN....181..245F
Fox1909 AN 181, 245, 1909 (measures are also in Fox1915)
Fox1910 Ma - Fox, P. 1910AJ.....26...87F
Fox1910 AJ 26, 87, 1910 (measures are also in Fox1915)
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
Fox1915b Ma j Fox, P. 1915AnDea...1...52F
Fox1915b Ann. Dearborn Obs. 1, 52, 1915
Fox1925 Ma j Fox, P. 1925AnDea...2....1F
Fox1925 +Ca Ann. Dearborn Obs. 2, 1, 1925
Fox1946 Ma - Fox, P. 1946AnDea...6....1F
Fox1946 +Po Ann. Dearborn Obs. 6, 1, 1946
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]
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
18157+2400 POU3370 CD 1998 4 139 7.7 13.02 14.08 D 181544.47+235916.4
18157+2400 POU3370 CD 2002 6 140 7.8 13.02 14.08 D 181544.47+235916.4
18157+2400 POU3370 CD 2015 7 141 7.9 13.02 14.08 181544.47+235916.4

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

 
 
WDS 18157+2400 POU 3370 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18157+2400 POU 3370 CD : MEASURES
 
 
No records found.

 
 
WDS 18157+2400 : VIRTUAL EYEPIECE
 
 

18157+2400 STF2301A mag 8.84 Sp K0 18157+2400 STF2301B sep 20.3 P.A. 130.60 mag 9.78 18157+2400 POU3370C sep 35.2 P.A. 213.80 mag 13.02 18157+2400 POU3370D sep 38.5 P.A. 203.00 mag 14.08 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 18157+2400 : ALADIN DSS IMAGE @ 18h 15m 44.47s +23° 59' 16.4"
 
 
 
 
WDS 18157+2400 POU 3370 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18157+2400 POU3370CD distance=0' 18157+2400 STF2301AB distance=1' 18157+2400 FOX 222AC distance=1' 18164+2401 POU3375 distance=11' 18152+2350 POU3369 distance=13' 18161+2347 POU3372 distance=13' 18150+2345 POU3367 distance=19' 18145+2346 POU3365 distance=21' 18168+2340 POU3377 distance=25' 18165+2336 POU3374 distance=26' 18177+2356 HJ 2831 distance=27' 18163+2333 TDT 768 distance=28' 18171+2421 POU3379 distance=29' 18146+2335 GII 110CD distance=29' 18146+2335 GII 110CE distance=29' 18146+2335 HU 318AB distance=29' 18146+2335 GII 110AC distance=29' 18151+2429 POU3368AB distance=32' 18151+2429 DAL 9AC distance=32' 18151+2429 DAL 9AD distance=32' 18165+2324 BUP 180BC distance=35' 18165+2324 BLL 32AB distance=37' 18165+2324 BUP 180AC distance=37' 18134+2338 TDT 746 distance=39' 18156+2321 SLE 148 distance=39' 18186+2354 POU3382 distance=41' 18162+2441 POU3373 distance=42' 18148+2314 POU3366 distance=48' 18171+2315 POU3378 distance=48' 18127+2424 SLE 142AB distance=48' 18127+2424 FYM 267AC distance=48' 18189+2338 TDT 790 distance=49' 18192+2346 TDT 794 distance=50' 18122+2352 POU3359 distance=50' 18127+2431 POU3361 distance=53' 18175+2312 POU3381 distance=53' 18190+2330 POU3383 distance=53' 18181+2318 BUP 181AB distance=53' 18181+2318 BUP 181AC distance=53' 18133+2446 POU3363 distance=57' 18199+2354 POU3387 distance=58' 18194+2427 POU3386 distance=58' 18163+2301 TDT 769AB distance=59' 18163+2301 GII 263Aa,Ab distance=59' 18163+2301 TDT 769AC distance=59' 18120+2428 POU3357 distance=60' 18114+2405 POU3356 distance=60' 18193+2325 SLE 152 distance=60' 18140+2456 POU3364 distance=62' 18174+2456 POU3380 distance=62' 18129+2448 POU3362 distance=63' 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 18157+2400 POU3370 CD 141 7.9
Show 18157+2400 STF2301 AB 128 21.4 1
Show 18157+2400 FOX 222 AC 214 35.3 1
Show 18164+2401 POU3375 294 14.1 11
Show 18152+2350 POU3369 131 4.5 13
Show 18161+2347 POU3372 283 9.8 13
Show 18150+2345 POU3367 212 14.9 19
Show 18145+2346 POU3365 37 3.8 21
Show 18168+2340 POU3377 137 2.2 25
Show 18165+2336 POU3374 340 6.9 26
Show 18177+2356 HJ 2831 339 17.4 27
Show 18163+2333 TDT 768 126 0.1 28
Show 18171+2421 POU3379 101 7.8 29
Show 18146+2335 GII 110 CD 302 0.8 29
Show 18146+2335 GII 110 CE 211 3.5 29
Show 18146+2335 HU 318 AB 157 0.7 29
Show 18146+2335 GII 110 AC 104 36.7 29
Show 18151+2429 POU3368 AB 63 15.7 32
Show 18151+2429 DAL 9 AC 218 13.8 32
Show 18151+2429 DAL 9 AD 249 31.7 32
Show 18165+2324 BUP 180 BC 248 17.3 35
Show 18165+2324 BLL 32 AB 2 126.7 37
Show 18165+2324 BUP 180 AC 354 120.7 37
Show 18134+2338 TDT 746 213 2.4 39
Show 18156+2321 SLE 148 189 20.0 39
Show 18186+2354 POU3382 130 9.9 41
Show 18162+2441 POU3373 212 3.2 42
Show 18148+2314 POU3366 238 13.7 48
Show 18171+2315 POU3378 200 4.3 48
Show 18127+2424 SLE 142 AB 233 9.9 48
Show 18127+2424 FYM 267 AC 339 13.0 48
Show 18189+2338 TDT 790 336 0.7 49
Show 18192+2346 TDT 794 30 0.6 50
Show 18122+2352 POU3359 305 7.7 50
Show 18127+2431 POU3361 221 10.1 53
Show 18175+2312 POU3381 88 14.4 53
Show 18190+2330 POU3383 73 7.7 53
Show 18181+2318 BUP 181 AB 223 37.5 53
Show 18181+2318 BUP 181 AC 125 153.7 53
Show 18133+2446 POU3363 103 8.4 57
Show 18199+2354 POU3387 85 11.6 58
Show 18194+2427 POU3386 39 20.2 58
Show 18163+2301 TDT 769 AB 22 0.5 59
Show 18163+2301 GII 263 Aa,Ab 136 0.1 59
Show 18163+2301 TDT 769 AC 286 2.0 59
Show 18120+2428 POU3357 326 9.2 60
Show 18114+2405 POU3356 166 8.8 60
Show 18193+2325 SLE 152 33 9.4 60
Show 18140+2456 POU3364 263 7.7 62
Show 18174+2456 POU3380 74 12.9 62
Show 18129+2448 POU3362 236 6.3 63

 
 
WDS 18157+2400 : COMPONENTS
 
 
  A B C
B pa=130.6°
sep=20.28"
 
C pa=213.8°
sep=35.25"
pa=245.3°
sep=38.51"
 
D pa=203.0°
sep=38.50"
pa=233.9°
sep=37.70"
pa=143.5°
sep=7.63"
 
 
18157+2400 A
 
 
Name HD 167783 Coord arcsec 2000 181545.90+235945.7 Mag 8.84 Spectral class K0 (yellow-orange)
PmRA 12.00 PmDE 5.0 SAO 85869 HIP 89491
Tycho2 2092-00829-1 HD 167783 GC 24921 BD BD+23 3287
Tycho2
Tycho2 2092-00829-1 Pflag RAmdeg 273.94128548 DEmdeg 23.99602625
PmRA 10.6 PmDE 4.5 E RAmdeg 9 E DEmdeg 7
E pmRA 0.8 E pmDE 0.8 EpRAm 1989.59 EpDEm 1990.60
Num 15 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 9.991 E BTmag 0.020 VTmag 8.836
E VTmag 0.012 Prox 216 TYC T HIP 89491
CCDM A RAdeg 273.94125611 DEdeg 23.99601583 EpRA 1990 1.45
EpDE 1990 1.74 E RAdeg 8.6 E DEdeg 6.5 Posflg
Corr -0.1
SAO
SAO 85869 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.009 Vmag 8.6 SpType G0
Double code Source 70 CatNum 24921 DM BD+23 3287
DMcomp A BDsup HD 167783 M HD 0
GC 24921 RA1950rad 4.7721473 DE1950rad 0.41849855 PmRA2000 0.0007
PmDE2000 0.009
Hipparcos
Catalog H HIP 89491 Proxy RAhms 18 15 45.90
DEdms +23 59 45.7 Vmag 8.76 VarFlag R Vmag H
RAdeg 273.941 DEdeg 23.996 AstroRef A Plx -4.19
CCDM 18158+2400 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 167783 BD BD+23 3287
CD CP Dm number +23 3287 VIred 1.02
SpType K0 R SpType Coord arcsec 2000 181545.90+235945.7
Hipparcos 2
HIP 89491 Sn 95 So 3 Nc 1
RArad 4.7811768692 DErad 0.4188094401 Plx 3.3 PmRA 12.85
PmDE 8.85 E RArad 0.95 E DErad 2.04 E Plx 2.6
E pmRA 1.18 E pmDE 2.45 Hpmag 8.9183 E Hpmag 0.0243
SHp 0.07 VA 0 BV 0.977 E BV 0.016
VI 0.96
 
 
18157+2400 B
 
 
Coord arcsec 2000 181547.02+235932.5 Mag 9.78 PmRA -1.00 PmDE -6.0
SAO 85871 HIP 89493 Tycho2 2092-00673-1 HD 341794
GC 24923 DM BD+23 3287 Calc delta mag 0.94 Calc coord yes
Tycho2
Tycho2 2092-00673-1 Pflag RAmdeg 273.94647346 DEmdeg 23.99238816
PmRA -2.3 PmDE -4.2 E RAmdeg 14 E DEmdeg 10
E pmRA 1.1 E pmDE 1.0 EpRAm 1989.59 EpDEm 1990.78
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.7
Q pmDE 1.5 BTmag 10.187 E BTmag 0.022 VTmag 9.776
E VTmag 0.020 Prox 216 TYC T HIP 89493
CCDM B RAdeg 273.94647972 DEdeg 23.99239778 EpRA 1990 1.46
EpDE 1990 1.77 E RAdeg 14.1 E DEdeg 10.2 Posflg
Corr -0.1
SAO
SAO 85871 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.011 Vmag 9.2 SpType A7
Double code Source 70 CatNum 24923 DM BD+23 3287
DMcomp B BDsup HD 341794 M HD 0
GC 24923 RA1950rad 4.77224205 DE1950rad 0.41843322 PmRA2000 -0.0002
PmDE2000 -0.011
Hipparcos
Catalog H HIP 89493 Proxy RAhms 18 15 47.16
DEdms +23 59 32.6 Vmag 9.76 VarFlag R Vmag H
RAdeg 273.946 DEdeg 23.9924 AstroRef B Plx -6.91
CCDM 18158+2400 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 341794 BD
CD CP Dm number VIred 0.35
SpType A7 R SpType Coord arcsec 2000 181547.16+235932.6
Hipparcos 2
HIP 89493 Sn 95 So 3 Nc 1
RArad 4.7812680518 DErad 0.4187462561 Plx -8.4 PmRA -2.03
PmDE -13.41 E RArad 2.59 E DErad 5.79 E Plx 7.18
E pmRA 3.6 E pmDE 7.17 Hpmag 9.7367 E Hpmag 0.043
SHp 0 VA 0 BV 0.401 E BV 0.026
VI 0.47
 
 
18157+2400 C
 
 
Coord arcsec 2000 181544.47+235916.4 Coord calc 181544.47+235916.4 Mag 13.02 PmRA -52.00
PmDE 68.0 Calc delta mag 4.18
 
 
18157+2400 D
 
 
Coord arcsec 2000 181544.80+235910.3 Mag 14.08 PmRA 13.00 PmDE -32.0
Calc delta mag 5.24 Calc coord yes