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Doubles in session


Current system
18181+2318
BUP 181 AC


Nearby doubles
11' : 18175+2312
POU3381

16' : 18171+2315
POU3378

16' : 18190+2330
POU3383

16' : 18190+2307
POU3384

18' : 18193+2325
SLE 152

23' : 18189+2338
TDT 790

23' : 18165+2324
BLL 32AB

29' : 18168+2340
POU3377

30' : 18165+2336
POU3374

30' : 18163+2333
TDT 768

31' : 18163+2301
TDT 769AB

33' : 18192+2346
TDT 794

33' : 18200+2257
SLE 155

35' : 18156+2321
SLE 148

36' : 18207+2327
POU3390

37' : 18165+2249
HU 319AB

38' : 18186+2354
POU3382

38' : 18177+2356
HJ 2831

40' : 18209+2331
TDT 811

41' : 18161+2347
POU3372

43' : 18212+2326
POU3391

44' : 18199+2354
POU3387

46' : 18148+2314
POU3366

46' : 18206+2248
STF2310

49' : 18164+2401
POU3375

52' : 18152+2350
POU3369



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

18181+2318 BUP 181 AC

 
 
18h 18m 07.72s +23° 17' 49.0" P.A. 125.00 sep 153.7 mag 6.68,10.04 Sp K5
 
 
Coord 2000 18181+2318 Discov num BUP 181 Comp AC Coord arcsec 2000 18 18 07.72 +23 17 49.0
Date first 1878 Date last 2015 Obs 16
Pa first 126 Pa last 125.2 P.A. Now (θ) 125.2°
Sep first 156.3 Sep last 153.711 Sep. Now (ρ) 153.711"
Mag pri 6.68 Mag sec 10.04 delta mag (ΔM) 3.36 Spectral class K5 (yellow-orange)
Pri motion ra +012 Sec motion ra -008
Pri motion dec -012 Sec motion dec +002
Notes
rPM=1.439
This double is not physical.
 
 
18181+2318 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 168323 85906 18 18 08 +23 17 49 BUP 181 AB 2015 8 223 37.5 6.68 11.50 4.82
Show 85906 18 18 08 +23 17 49 BUP 181 AC 2015 16 125 153.7 6.68 10.04 3.36 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 85906 Tycho2 2093-00636-1 Gaia DR2 4530430498529889536
HD 341905 HR 6854 DM BD+23 3299
 
 
WDS 18181+2318 BUP 181 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) 1913QB811.B8.......
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18181+2318 BUP 181 AC 2002 13 126 154.1 6.68 10.04 K5 D 181807.72+231749.0
18181+2318 BUP 181 AC 2012 15 125 154.1 6.68 10.04 K5 D 181807.72+231749.0
18181+2318 BUP 181 AC 2015 16 125 153.7 6.68 10.04 K5 181807.72+231749.0

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

 
 
WDS 18181+2318 BUP 181 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18181+2318 BUP 181 AC : MEASURES
 
 
No records found.

 
 
WDS 18181+2318 : VIRTUAL EYEPIECE
 
 

18181+2318 BUP 181A mag 6.68 Sp K5 18181+2318 BUP 181B sep 36.2 P.A. 220.30 mag 11.5 18181+2318 BUP 181C sep 145.5 P.A. 127.50 mag 10.04 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 18181+2318 : ALADIN DSS IMAGE @ 18h 18m 07.72s +23° 17' 49.0"
 
 
 
 
WDS 18181+2318 BUP 181 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18181+2318 BUP 181AC distance=0' 18175+2312 POU3381 distance=11' 18171+2315 POU3378 distance=16' 18190+2330 POU3383 distance=16' 18190+2307 POU3384 distance=16' 18193+2325 SLE 152 distance=18' 18189+2338 TDT 790 distance=23' 18165+2324 BLL 32AB distance=23' 18165+2324 BUP 180AC distance=23' 18165+2324 BUP 180BC distance=24' 18168+2340 POU3377 distance=29' 18165+2336 POU3374 distance=30' 18163+2333 TDT 768 distance=30' 18163+2301 TDT 769AB distance=31' 18163+2301 GII 263Aa,Ab distance=31' 18163+2301 TDT 769AC distance=31' 18192+2346 TDT 794 distance=33' 18200+2257 SLE 155 distance=33' 18156+2321 SLE 148 distance=35' 18207+2327 POU3390 distance=36' 18165+2249 HU 319AB distance=37' 18165+2249 HU 319AC distance=37' 18186+2354 POU3382 distance=38' 18177+2356 HJ 2831 distance=38' 18209+2331 TDT 811 distance=40' 18161+2347 POU3372 distance=41' 18212+2326 POU3391 distance=43' 18199+2354 POU3387 distance=44' 18148+2314 POU3366 distance=46' 18206+2248 STF2310 distance=46' 18164+2401 POU3375 distance=49' 18152+2350 POU3369 distance=52' 18150+2345 POU3367 distance=52' 18146+2335 GII 110CD distance=52' 18146+2335 GII 110CE distance=52' 18146+2335 HU 318AB distance=52' 18146+2335 GII 110AC distance=52' 18157+2400 POU3370CD distance=53' 18157+2400 STF2301AB distance=54' 18157+2400 FOX 222AC distance=54' 18145+2346 POU3365 distance=57' 18218+2347 POU3394 distance=60' 18213+2359 POU3392 distance=61' 18227+2323 POU3395 distance=63' 18217+2356 COU 418 distance=63' 18227+2334 POU3396 distance=65' 18228+2328 POU3397 distance=65' 18171+2421 POU3379 distance=65' 18213+2409 COU 505 distance=68' 18220+2401 TDT 817 distance=69' 18134+2338 TDT 746 distance=69' 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 18181+2318 BUP 181 AB 223 37.5
Show 18181+2318 BUP 181 AC 125 153.7
Show 18175+2312 POU3381 88 14.4 11
Show 18171+2315 POU3378 200 4.3 16
Show 18190+2330 POU3383 73 7.7 16
Show 18190+2307 POU3384 76 9.0 16
Show 18193+2325 SLE 152 33 9.4 18
Show 18189+2338 TDT 790 336 0.7 23
Show 18165+2324 BLL 32 AB 2 126.7 23
Show 18165+2324 BUP 180 AC 354 120.7 23
Show 18165+2324 BUP 180 BC 248 17.3 24
Show 18168+2340 POU3377 137 2.2 29
Show 18165+2336 POU3374 340 6.9 30
Show 18163+2333 TDT 768 126 0.1 30
Show 18163+2301 TDT 769 AB 22 0.5 31
Show 18163+2301 GII 263 Aa,Ab 136 0.1 31
Show 18163+2301 TDT 769 AC 286 2.0 31
Show 18192+2346 TDT 794 30 0.6 33
Show 18200+2257 SLE 155 70 10.9 33
Show 18156+2321 SLE 148 189 20.0 35
Show 18207+2327 POU3390 315 10.2 36
Show 18165+2249 HU 319 AB 125 0.3 37
Show 18165+2249 HU 319 AC 201 2.8 37
Show 18186+2354 POU3382 130 9.9 38
Show 18177+2356 HJ 2831 339 17.4 38
Show 18209+2331 TDT 811 246 1.0 40
Show 18161+2347 POU3372 283 9.8 41
Show 18212+2326 POU3391 326 10.7 43
Show 18199+2354 POU3387 85 11.6 44
Show 18148+2314 POU3366 238 13.7 46
Show 18206+2248 STF2310 235 5.1 46
Show 18164+2401 POU3375 294 14.1 49
Show 18152+2350 POU3369 131 4.5 52
Show 18150+2345 POU3367 212 14.9 52
Show 18146+2335 GII 110 CD 302 0.8 52
Show 18146+2335 GII 110 CE 211 3.5 52
Show 18146+2335 HU 318 AB 157 0.7 52
Show 18146+2335 GII 110 AC 104 36.7 52
Show 18157+2400 POU3370 CD 141 7.9 53
Show 18157+2400 STF2301 AB 128 21.4 54
Show 18157+2400 FOX 222 AC 214 35.3 54
Show 18145+2346 POU3365 37 3.8 57
Show 18218+2347 POU3394 86 11.9 60
Show 18213+2359 POU3392 132 13.8 61
Show 18227+2323 POU3395 184 7.2 63
Show 18217+2356 COU 418 277 0.1 63
Show 18227+2334 POU3396 278 11.8 65
Show 18228+2328 POU3397 349 4.0 65
Show 18171+2421 POU3379 101 7.8 65
Show 18213+2409 COU 505 318 1.1 68
Show 18220+2401 TDT 817 199 1.3 69

 
 
WDS 18181+2318 : COMPONENTS
 
 
  A B
B pa=220.3°
sep=36.16"
 
C pa=127.5°
sep=145.47"
pa=113.7°
sep=151.58"
 
 
18181+2318 A
 
 
Name HD 168323 Coord arcsec 2000 181807.72+231749.0 Mag 6.68 Spectral class K5 (yellow-orange)
PmRA 12.00 PmDE -12.0 SAO 85906 HIP 89683
Tycho2 2093-00636-1 HD 168323 HR 6854 GC 24982
BD BD+23 3299
Tycho2
Tycho2 2093-00636-1 Pflag RAmdeg 274.53220639 DEmdeg 23.29690938
PmRA 11.2 PmDE -10.8 E RAmdeg 4 E DEmdeg 3
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.19 EpDEm 1991.54
Num 14 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.7 BTmag 8.744 E BTmag 0.016 VTmag 6.678
E VTmag 0.009 Prox 999 TYC T HIP 89683
CCDM RAdeg 274.53217750 DEdeg 23.29693417 EpRA 1990 1.44
EpDE 1990 1.72 E RAdeg 3.8 E DEdeg 3.4 Posflg
Corr 0.1
SAO
SAO 85906 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 -0.018 Vmag 6.7 SpType K5
Double code Source 70 CatNum 24982 DM BD+23 3299
DMcomp BDsup HD 168323 M HD 0
GC 24982 RA1950rad 4.78238858 DE1950rad 0.40624653 PmRA2000 0.0005
PmDE2000 -0.018
Hipparcos
Catalog H HIP 89683 Proxy RAhms 18 18 07.72
DEdms +23 17 49.0 Vmag 6.45 VarFlag 1 R Vmag H
RAdeg 274.532 DEdeg 23.2969 AstroRef Plx 1.95
CCDM 18181+2317 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 168323 BD BD+23 3299
CD CP Dm number +23 3299 VIred 1.79
SpType K5 R SpType Coord arcsec 2000 181807.72+231749.0
Hipparcos 2
HIP 89683 Sn 5 So 0 Nc 1
RArad 4.7914903602 DErad 0.406608233 Plx 2.01 PmRA 11.83
PmDE -11.45 E RArad 0.21 E DErad 0.37 E Plx 0.53
E pmRA 0.26 E pmDE 0.41 Hpmag 6.5499 E Hpmag 0.0013
SHp 0.017 VA 2 BV 1.698 E BV 0.006
VI 1.72
 
 
18181+2318 B
 
 
Coord arcsec 2000 181806.02+231721.4 Mag 11.5 PmRA 5.00 PmDE -6.0
Calc delta mag 4.82 Calc coord yes
 
 
18181+2318 C
 
 
Coord arcsec 2000 181816.09+231620.4 Mag 10.04 PmRA -8.00 PmDE 2.0
Tycho2 2093-01619-1 HD 341905 Calc delta mag 3.36 Calc coord yes
Tycho2
Tycho2 2093-01619-1 Pflag RAmdeg 274.57023787 DEmdeg 23.27221140
PmRA -8.5 PmDE 3.2 E RAmdeg 16 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1988.37 EpDEm 1990.36
Num 7 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 10.497 E BTmag 0.025 VTmag 10.044
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 274.57026361 DEdeg 23.27220306 EpRA 1990 1.46
EpDE 1990 1.77 E RAdeg 16.6 E DEdeg 11.2 Posflg
Corr 0.1