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Doubles in session


Current system
18089+2435
HDS 2558
HD 166281


Nearby doubles
3' : 18088+2434
COU 504

16' : 18088+2450
POU3352

17' : 18078+2437
OSW 28

19' : 18103+2430
POU3355

21' : 18094+2415
TDT 712

24' : 18073+2429
TDT 693

26' : 18090+2409
TOK 318

32' : 18080+2406
POU3350

33' : 18071+2414
POU3348

33' : 18087+2402
TDT 705

34' : 18065+2433
POU3347

42' : 18120+2428
POU3357

45' : 18114+2405
POU3356

45' : 18060+2415
TDT 680

46' : 18121+2448
POU3358AB

48' : 18121+2455
POU3360

52' : 18127+2431
POU3361

53' : 18127+2424
SLE 142AB

56' : 18129+2449
LDS4779

56' : 18129+2448
POU3362

56' : 18114+2519
A 238

60' : 18090+2335
HU 315

60' : 18133+2446
POU3363

62' : 18122+2352
POU3359

64' : 18053+2357
COU 116

65' : 18091+2330
POU3354



Selections
Full WDS
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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.

18089+2435 HDS 2558 (HD 166281)

 
 
18h 08m 56.87s +24° 34' 35.1" P.A. 161.00 sep 0.1 mag 8.48,9.88 Sp F0 dist. 193.05 pc (629.73 l.y.)
 
 
Coord 2000 18089+2435 Discov num HDS2558 Comp Coord arcsec 2000 18 08 56.87 +24 34 35.1
Date first 1991 Date last 2019 Obs 4
Pa first 156 Pa last 160.8 P.A. Now (θ) 160.8°
Sep first 0.2 Sep last 0.149 Sep. Now (ρ) 0.149"
Mag pri 8.48 Mag sec 9.88 delta mag (ΔM) 1.4 Spectral class F0 (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166281 Constellation Hercules SAO 85775 HIP 88910
Tycho2 2096-01200-1 Gaia DR2 4579230054383864320 HD 166281 BD BD+24 3341
Distance 193.05 Distance ly 629.73
 
 
WDS 18089+2435 HDS 2558 (HD 166281) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18089+2435 HDS2558 1991 1 156 0.2 8.48 9.88 F0 180856.87+243435.1
18089+2435 HDS2558 2006 2 227 0.1 8.48 9.88 F0 180856.87+243435.1
18089+2435 HDS2558 2018 3 160 0.1 8.48 9.88 F0 180856.87+243435.1
18089+2435 HDS2558 2019 4 161 0.1 8.48 9.88 F0 180856.87+243435.1

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

 
 
WDS 18089+2435 HDS 2558 (HD 166281) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18089+2435 HDS 2558 (HD 166281) : MEASURES
 
 
No records found.

 
 
WDS 18089+2435 (HD 166281) : VIRTUAL EYEPIECE
 
 

18089+2435 HDS2558A mag 8.48 Sp F0 18089+2435 HDS2558B sep 0.1 P.A. 162.40 mag 9.88 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18089+2435 (HD 166281) : ALADIN DSS IMAGE @ 18h 08m 56.87s +24° 34' 35.1"
 
 
 
 
WDS 18089+2435 HDS 2558 (HD 166281) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18089+2435 HDS2558 distance=1' 18088+2434 COU 504 distance=3' 18088+2450 POU3352 distance=16' 18078+2437 OSW 28 distance=17' 18103+2430 POU3355 distance=19' 18094+2415 TDT 712 distance=21' 18073+2429 TDT 693 distance=24' 18090+2409 TOK 318 distance=26' 18080+2406 POU3350 distance=32' 18071+2414 POU3348 distance=33' 18087+2402 TDT 705 distance=33' 18065+2433 POU3347 distance=34' 18120+2428 POU3357 distance=42' 18114+2405 POU3356 distance=45' 18060+2415 TDT 680 distance=45' 18121+2448 POU3358AB distance=46' 18121+2448 FYM 266AC distance=46' 18121+2455 POU3360 distance=48' 18127+2431 POU3361 distance=52' 18127+2424 SLE 142AB distance=53' 18127+2424 FYM 267AC distance=53' 18129+2449 LDS4779 distance=56' 18129+2448 POU3362 distance=56' 18114+2519 A 238 distance=56' 18090+2335 HU 315 distance=60' 18133+2446 POU3363 distance=60' 18122+2352 POU3359 distance=62' 18053+2357 COU 116 distance=64' 18091+2330 POU3354 distance=65' 18105+2536 TDT 723 distance=65' 18073+2334 WLY 8AB distance=66' 18073+2334 POU3349AC distance=66' 18082+2327 POU3351 distance=69' 18047+2357 KPP4079 distance=70' 18048+2353 STF2274 distance=71' 18140+2456 POU3364 distance=72' 18092+2323 TDT 711 distance=72' 18038+2455 SLE 91 distance=74' 18055+2337 TDT 674 distance=74' 18070+2544 KPP4084 distance=74' 18068+2326 COU 417 distance=75' 18054+2337 POU3346 distance=75' 18090+2319 POU3353 distance=76' 18105+2319 UC 3515 distance=79' 18033+2457 TDT 654 distance=81' 18134+2338 TDT 746 distance=84' 18151+2429 POU3368AB distance=85' 18151+2429 DAL 9AC distance=85' 18151+2429 DAL 9AD distance=85' 18035+2515 HLM 10 distance=86' 18033+2350 POU3343 distance=89' 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 18089+2435 HDS2558 161 0.1 1
Show 18088+2434 COU 504 76 2.1 3
Show 18088+2450 POU3352 301 3.4 16
Show 18078+2437 OSW 28 156 78.3 17
Show 18103+2430 POU3355 148 6.1 19
Show 18094+2415 TDT 712 28 0.5 21
Show 18073+2429 TDT 693 251 0.5 24
Show 18090+2409 TOK 318 120 51.2 26
Show 18080+2406 POU3350 67 9.4 32
Show 18071+2414 POU3348 126 6.1 33
Show 18087+2402 TDT 705 249 0.5 33
Show 18065+2433 POU3347 134 12.1 34
Show 18120+2428 POU3357 326 9.2 42
Show 18114+2405 POU3356 166 8.8 45
Show 18060+2415 TDT 680 106 0.4 45
Show 18121+2448 POU3358 AB 115 3.7 46
Show 18121+2448 FYM 266 AC 244 15.3 46
Show 18121+2455 POU3360 297 6.0 48
Show 18127+2431 POU3361 221 10.1 52
Show 18127+2424 SLE 142 AB 233 9.9 53
Show 18127+2424 FYM 267 AC 339 13.0 53
Show 18129+2449 LDS4779 120 25.6 56
Show 18129+2448 POU3362 236 6.3 56
Show 18114+2519 A 238 72 0.6 56
Show 18090+2335 HU 315 36 0.3 60
Show 18133+2446 POU3363 103 8.4 60
Show 18122+2352 POU3359 305 7.7 62
Show 18053+2357 COU 116 247 0.8 64
Show 18091+2330 POU3354 302 13.5 65
Show 18105+2536 TDT 723 232 0.5 65
Show 18073+2334 WLY 8 AB 134 4.2 66
Show 18073+2334 POU3349 AC 219 9.2 66
Show 18082+2327 POU3351 158 10.3 69
Show 18047+2357 KPP4079 136 16.8 70
Show 18048+2353 STF2274 293 18.5 71
Show 18140+2456 POU3364 263 7.7 72
Show 18092+2323 TDT 711 295 1.2 72
Show 18038+2455 SLE 91 350 11.5 74
Show 18055+2337 TDT 674 48 0.7 74
Show 18070+2544 KPP4084 253 5.9 74
Show 18068+2326 COU 417 91 1.5 75
Show 18054+2337 POU3346 34 5.3 75
Show 18090+2319 POU3353 343 15.3 76
Show 18105+2319 UC 3515 271 29.4 79
Show 18033+2457 TDT 654 85 0.8 81
Show 18134+2338 TDT 746 213 2.4 84
Show 18151+2429 POU3368 AB 63 15.7 85
Show 18151+2429 DAL 9 AC 218 13.8 85
Show 18151+2429 DAL 9 AD 249 31.7 85
Show 18035+2515 HLM 10 2 30.0 86
Show 18033+2350 POU3343 292 12.3 89

 
 
WDS 18089+2435 : COMPONENTS
 
 
  A
B pa=162.4°
sep=0.15"
 
 
18089+2435 A
 
 
Componente originario normalizzato AB Name HD 166281 Coord arcsec 2000 180856.87+243435.1 Mag 8.48
Spectral class F0 (yellow-white) PmRA 5.00 PmDE -9.0 SAO 85775
HIP 88910 Tycho2 2096-01200-1 HD 166281 BD BD+24 3341
Tycho2
Tycho2 2096-01200-1 Pflag RAmdeg 272.23695373 DEmdeg 24.57638671
PmRA 4.5 PmDE -7.3 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.23 EpDEm 1991.44
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.536 E BTmag 0.016 VTmag 8.162
E VTmag 0.011 Prox 999 TYC T HIP 88910
CCDM AB RAdeg 272.23694222 DEdeg 24.57640361 EpRA 1990 1.53
EpDE 1990 1.78 E RAdeg 5.4 E DEdeg 4.6 Posflg P
Corr -0.1
SAO
SAO 85775 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 -0.019 Vmag 8.1 SpType F0
Double code Source 35 CatNum 6324 DM BD+24 3341
DMcomp BDsup HD 166281 M HD 0
GC RA1950rad 4.74247001 DE1950rad 0.4287715 PmRA2000 0.0011
PmDE2000 -0.019
Hipparcos
Catalog H HIP 88910 Proxy H RAhms 18 08 56.87
DEdms +24 34 35.1 Vmag 8.16 VarFlag R Vmag G
RAdeg 272.237 DEdeg 24.5764 AstroRef * Plx 5.05
CCDM 18089+2435 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 156 Rho 0.159 HD 166281 BD BD+24 3341
CD CP Dm number +24 3341 VIred 0.45
SpType F0 R SpType Coord arcsec 2000 180856.87+243435.1
Hipparcos 2
HIP 88910 Sn 55 So 3 Nc 2
RArad 4.751430975 DErad 0.4289391725 Plx 5.18 PmRA 4.7
PmDE -9.25 E RArad 0.41 E DErad 0.67 E Plx 0.89
E pmRA 0.49 E pmDE 0.83 Hpmag 8.2144 E Hpmag 0.0012
SHp 0.016 VA 0 BV 0.387 E BV 0.001
VI 0.45
CCDM
Ccdm 18089+2435 RComp Comp A Note1
Note2 Discov num DRAs 2.87 DDEs -25.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.5 Sp F0 PmNote *
PmRA 5 PmDE -9 Dm number +24 3341 Cat1 BD
Name2 +24 1833 Cat2 AGK2/3 HD 166281 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 88910
 
 
18089+2435 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180856.87+243435.0 Mag 9.88 Calc delta mag 1.4
Calc coord yes
CCDM
Ccdm 18089+2435 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.88 DDEs -25.1
R dRAs 82 Year 1991 Theta 156 Rho 0.2
Obs 1 Vmag 9.9 Sp PmNote *
PmRA 5 PmDE -9 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 88910