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Doubles in session


Current system
18266+2422
HO 634
HD 170076


Nearby doubles
14' : 18275+2417
TDT 886

14' : 18276+2423
AG 223

19' : 18278+2415
POU3411AB

26' : 18278+2442
STF2320

31' : 18278+2357
POU3410

32' : 18281+2359
SLE 180

35' : 18240+2427
POU3407

39' : 18239+2435
POU3406

42' : 18257+2503
POU3409

42' : 18235+2429
POU3403

44' : 18243+2351
POU3408

47' : 18234+2440
POU3402

48' : 18231+2426
POU3400

48' : 18233+2439
POU3401

49' : 18276+2509
KU 117

52' : 18236+2350
POU3404AB

54' : 18231+2445
POU3398AB

55' : 18302+2400
SLE 181

58' : 18231+2349
POU3399

59' : 18290+2511
TDT 902

60' : 18306+2400
POU3413

62' : 18310+2424
TDT 923

67' : 18295+2329
TDT 908

67' : 18220+2401
TDT 817

67' : 18218+2407
RAO 389

68' : 18216+2426
POU3393



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.

18266+2422 HO 634 (HD 170076)

 
 
18h 26m 34.71s +24° 22' 12.6" P.A. 269.00 sep 3.3 mag 8.19,12.20 Sp K0 dist. 2500 pc (8155 l.y.)
 
 
Coord 2000 18266+2422 Discov num HO  634 Comp Coord arcsec 2000 18 26 34.71 +24 22 12.6
Date first 1898 Date last 2016 Obs 7
Pa first 273 Pa last 269 P.A. Now (θ) 269°
Sep first 2.6 Sep last 3.306 Sep. Now (ρ) 3.306"
Mag pri 8.19 Mag sec 12.20 delta mag (ΔM) 4.01 Spectral class K0 (yellow-orange)
Pri motion ra +009 Sec motion ra -001
Pri motion dec +000 Sec motion dec -002
Notes
rPM=1.133
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170076 Constellation Hercules SAO 86057 HIP 90385
Tycho2 2106-00966-1 Gaia DR2 4536568689688061312 HD 170076 BD BD+24 3416
Distance 2500 Distance ly 8155
 
 
WDS 18266+2422 HO 634 (HD 170076) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18266+2422 HO 634 1998 6 269 3.3 8.19 12.20 K0 182634.71+242212.6
18266+2422 HO 634 2016 7 269 3.3 8.19 12.20 K0 182634.71+242212.6

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

 
 
WDS 18266+2422 HO 634 (HD 170076) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18266+2422 HO 634 (HD 170076) : MEASURES
 
 
No records found.

 
 
WDS 18266+2422 (HD 170076) : VIRTUAL EYEPIECE
 
 

18266+2422 HO 634A mag 8.19 Sp K0 18266+2422 HO 634B sep 3.0 P.A. 268.90 mag 12.2 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 18266+2422 (HD 170076) : ALADIN DSS IMAGE @ 18h 26m 34.71s +24° 22' 12.6"
 
 
 
 
WDS 18266+2422 HO 634 (HD 170076) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18266+2422 HO 634 distance=0' 18275+2417 TDT 886 distance=14' 18276+2423 AG 223 distance=14' 18278+2415 POU3411AB distance=19' 18278+2415 POU3412AC distance=19' 18278+2442 STF2320 distance=26' 18278+2357 POU3410 distance=31' 18281+2359 SLE 180 distance=32' 18240+2427 POU3407 distance=35' 18239+2435 POU3406 distance=39' 18257+2503 POU3409 distance=42' 18235+2429 POU3403 distance=42' 18243+2351 POU3408 distance=44' 18234+2440 POU3402 distance=47' 18231+2426 POU3400 distance=48' 18233+2439 POU3401 distance=48' 18276+2509 KU 117 distance=49' 18236+2350 POU3404AB distance=52' 18236+2350 POU3405AC distance=52' 18231+2445 POU3398AB distance=54' 18231+2445 POU3398AC distance=54' 18302+2400 SLE 181 distance=55' 18231+2349 POU3399 distance=58' 18290+2511 TDT 902 distance=59' 18306+2400 POU3413 distance=60' 18310+2424 TDT 923 distance=62' 18295+2329 TDT 908 distance=67' 18220+2401 TDT 817 distance=67' 18218+2407 RAO 389 distance=67' 18216+2426 POU3393 distance=68' 18315+2405 POU3414 distance=69' 18234+2327 STF2314 distance=70' 18217+2356 COU 418 distance=72' 18227+2334 POU3396 distance=73' 18218+2347 POU3394 distance=74' 18317+2447 POU3416 distance=74' 18213+2409 COU 505 distance=74' 18244+2314 BRT2444 distance=75' 18266+2537 LDS4787 distance=75' 18213+2359 POU3392 distance=75' 18277+2536 HDS2612AB distance=76' 18277+2536 DAM1238AC distance=76' 18228+2328 POU3397 distance=76' 18271+2306 SLE 177 distance=77' 18305+2519 A 246 distance=78' 18319+2351 POU3417 distance=80' 18227+2323 POU3395 distance=80' 18312+2516 A 248 distance=83' 18307+2321 KPP 601 distance=84' 18322+2350 POU3420 distance=84' 18307+2320 SLE 183 distance=85' 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 18266+2422 HO 634 269 3.3
Show 18275+2417 TDT 886 24 0.5 14
Show 18276+2423 AG 223 51 2.6 14
Show 18278+2415 POU3411 AB 34 9.9 19
Show 18278+2415 POU3412 AC 245 13.3 19
Show 18278+2442 STF2320 1 0.9 26
Show 18278+2357 POU3410 259 8.2 31
Show 18281+2359 SLE 180 247 6.4 32
Show 18240+2427 POU3407 141 10.4 35
Show 18239+2435 POU3406 178 4.2 39
Show 18257+2503 POU3409 248 12.2 42
Show 18235+2429 POU3403 324 13.1 42
Show 18243+2351 POU3408 229 14.5 44
Show 18234+2440 POU3402 59 6.8 47
Show 18231+2426 POU3400 89 8.6 48
Show 18233+2439 POU3401 124 12.3 48
Show 18276+2509 KU 117 16 19.5 49
Show 18236+2350 POU3404 AB 267 9.5 52
Show 18236+2350 POU3405 AC 276 25.8 52
Show 18231+2445 POU3398 AB 156 12.3 54
Show 18231+2445 POU3398 AC 134 11.6 54
Show 18302+2400 SLE 181 271 15.3 55
Show 18231+2349 POU3399 256 12.8 58
Show 18290+2511 TDT 902 30 0.9 59
Show 18306+2400 POU3413 242 9.3 60
Show 18310+2424 TDT 923 329 0.8 62
Show 18295+2329 TDT 908 8 1.8 67
Show 18220+2401 TDT 817 199 1.3 67
Show 18218+2407 RAO 389 221 0.3 67
Show 18216+2426 POU3393 44 5.0 68
Show 18315+2405 POU3414 260 17.8 69
Show 18234+2327 STF2314 331 2.7 70
Show 18217+2356 COU 418 277 0.1 72
Show 18227+2334 POU3396 278 11.8 73
Show 18218+2347 POU3394 86 11.9 74
Show 18317+2447 POU3416 185 15.8 74
Show 18213+2409 COU 505 318 1.1 74
Show 18244+2314 BRT2444 259 3.5 75
Show 18266+2537 LDS4787 129 84.6 75
Show 18213+2359 POU3392 132 13.8 75
Show 18277+2536 HDS2612 AB 110 4.5 76
Show 18277+2536 DAM1238 AC 277 15.2 76
Show 18228+2328 POU3397 349 4.0 76
Show 18271+2306 SLE 177 186 9.9 77
Show 18305+2519 A 246 164 1.5 78
Show 18319+2351 POU3417 125 9.3 80
Show 18227+2323 POU3395 184 7.2 80
Show 18312+2516 A 248 31 0.6 83
Show 18307+2321 KPP 601 154 5.5 84
Show 18322+2350 POU3420 355 2.8 84
Show 18307+2320 SLE 183 307 18.0 85

 
 
WDS 18266+2422 : COMPONENTS
 
 
  A
B pa=268.9°
sep=3.01"
 
 
18266+2422 A
 
 
Componente originario normalizzato AB Name HD 170076 Coord arcsec 2000 182634.71+242212.6 Mag 8.19
Spectral class K0 (yellow-orange) PmRA 9.00 PmDE 0.0 SAO 86057
HIP 90385 Tycho2 2106-00966-1 HD 170076 BD BD+24 3416
Tycho2
Tycho2 2106-00966-1 Pflag RAmdeg 276.64461019 DEmdeg 24.37016011
PmRA 8.7 PmDE -0.3 E RAmdeg 6 E DEmdeg 5
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.34 EpDEm 1991.60
Num 3 Q RAmdeg 2.2 Q DEmdeg 0.6 Q pmRA 2.3
Q pmDE 0.6 BTmag 10.000 E BTmag 0.021 VTmag 8.187
E VTmag 0.011 Prox 33 TYC T HIP 90385
CCDM A RAdeg 276.64458750 DEdeg 24.37016083 EpRA 1990 1.48
EpDE 1990 1.70 E RAdeg 6.1 E DEdeg 5.4 Posflg
Corr 0.0
SAO
SAO 86057 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.019 Vmag 8.1 SpType K0
Double code Source 35 CatNum 6473 DM BD+24 3416
DMcomp BDsup HD 170076 M HD 0
GC RA1950rad 4.81936098 DE1950rad 0.4247968 PmRA2000 -0.0001
PmDE2000 -0.02
Hipparcos
Catalog H HIP 90385 Proxy H RAhms 18 26 34.70
DEdms +24 22 12.6 Vmag 7.99 VarFlag 1 R Vmag H
RAdeg 276.645 DEdeg 24.3702 AstroRef A Plx 1.31
CCDM 18266+2422 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 268 Rho 3.326 HD 170076 BD BD+24 3416
CD CP Dm number +24 3416 VIred 1.45
SpType K0 R SpType Coord arcsec 2000 182634.70+242212.6
Hipparcos 2
HIP 90385 Sn 15 So 3 Nc 2
RArad 4.8283589168 DErad 0.4253395461 Plx -0.4 PmRA -0.13
PmDE -2.73 E RArad 0.41 E DErad 0.62 E Plx 0.91
E pmRA 0.5 E pmDE 0.77 Hpmag 8.1224 E Hpmag 0.0016
SHp 0.018 VA 0 BV 1 E BV 0.495
VI 1.45
CCDM
Ccdm 18266+2422 RComp Comp A Note1
Note2 Discov num DRAs -1.31 DDEs 12.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp K0 PmNote *
PmRA 0 PmDE -8 Dm number +24 3416 Cat1 BD
Name2 +24 1882 Cat2 AGK2/3 HD 170076 M HD
ADS BDS A11350 M ADS BDS N IDS IDS 18224N2419A
HIC 90385
 
 
18266+2422 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182634.49+242212.5 Mag 12.2 PmRA -1.00
PmDE -2.0 Calc delta mag 4.01 Calc coord yes
CCDM
Ccdm 18266+2422 RComp Comp B Note1
Note2 Discov num HO 634 DRAs DDEs
R dRAs Year 1898 Theta 272 Rho 2.8
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11350 M ADS BDS N IDS IDS 18224N2419B
HIC 90385