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Doubles in session


Current system
18520-5418
TOK 325 AB
HD 174122


Nearby doubles
18' : 18502-5412
UC 3691

19' : 18541-5421
HJ 5068

23' : 18520-5356
B 408

26' : 18494-5428
UC 3684

35' : 18493-5354
SKF 371

62' : 18455-5356
HJ 5057

63' : 18577-5340
RST1012

66' : 18462-5500
B 402

68' : 18596-5411
TDT1173

69' : 18448-5354
HRG 139AB

69' : 18554-5316
UC 3724

70' : 18450-5450
B 400

72' : 18528-5529
RST1004

77' : 18565-5313
SWR 257

78' : 18571-5315
TDT1144

81' : 19004-5454
HTS 29AB

92' : 18436-5326
TDT1020

93' : 18505-5247
UC 3693

95' : 19026-5437
TDT1195

96' : 19029-5413
I 1390

97' : 18596-5529
SKF 373

97' : 18552-5246
UC 3723

106' : 18417-5514
SWR 251

111' : 18420-5313
UC 3644

111' : 18516-5229
LDS 655

111' : 19047-5423
HDS2705



Selections
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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.

18520-5418 TOK 325 AB (HD 174122)

 
 
18h 52m 01.95s -54° 18' 07.0" P.A. 32.00 sep 146.0 mag 8.61,11.42 Sp G3V dist. 51.28 pc (167.28 l.y.)
 
 
Coord 2000 18520-5418 Discov num TOK 325 Comp AB Coord arcsec 2000 18 52 01.95 -54 18 07.0
Date first 1893 Date last 2015 Obs 8
Pa first 33 Pa last 32.3 P.A. Now (θ) 32.3°
Sep first 144.9 Sep last 145.988 Sep. Now (ρ) 145.988"
Mag pri 8.61 Mag sec 11.42 delta mag (ΔM) 2.81 Spectral class G3V (yellow)
Pri motion ra +060 Sec motion ra +067
Pri motion dec -042 Sec motion dec -042
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
18520-5418 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 245762 18 52 02 -54 18 07 TOK 325 Aa,Ab 2021 18 242 0.1 8.61 11.50 2.89 Y
Show HD 174122 245762 18 52 02 -54 18 07 TOK 325 AB 2015 8 32 146.0 8.61 11.42 2.81 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174122 Constellation Telescopium SAO 245762 HIP 92592
Tycho2 8758-02778-1 Gaia DR2 6650457382678224640 HD 174122 CP CP-54 9114
Distance 51.28 Distance ly 167.28
 
 
WDS 18520-5418 TOK 325 AB (HD 174122) : NOTES
 
 
discov_num notes refcode
TOK 325 Triple system. The inner astrometric binary is resolved here; the CPM Tok2012c
companion at 146 is found by Tokovinin & Lepine (2012). Tok2013b
 
 
REFERENCES
 
 
refcode metd author reference
Tok2012c Pp - Tokovinin, A. & Lepine, S. 2012AJ....144..102T
Tok2012c +E2 AJ 144, 102, 2012
Tok2012c (Note: Per author's suggestion, catalog only includes pairs with Pphys > 0.2 or
Tok2012c both proper motions >100 mas/yr. Coarse date of 1980 assumed for all Sky Survey
Tok2012c measures. Theta values derived by cataloguer from component coordinates.
Tok2012c 2MASS photometry replaced with more precise catalog values and errors.)
Tok2013b A j Tokovinin, A., Hartung, M., & Hayward, T.L. 2013AJ....146....8T
Tok2013b AJ 146, 8, 2013
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18520-5418 TOK 325 AB 2000 5 32 146.0 8.61 11.42 V 185201.95-541807.0
18520-5418 TOK 325 AB 2001 7 33 145.8 8.61 11.42 G3V NV 185201.95-541807.0
18520-5418 TOK 325 AB 2015 8 32 146.0 8.61 11.42 G3V NV 185201.95-541807.0

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

 
 
WDS 18520-5418 TOK 325 AB (HD 174122) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18520-5418 TOK 325 AB (HD 174122) : MEASURES
 
 
No records found.

 
 
WDS 18520-5418 (HD 174122) : VIRTUAL EYEPIECE
 
 

18520-5418 TOK 325A mag 8.61 Sp G3V 18520-5418 TOK 325Ab sep 0.1 P.A. 227.70 mag 11.5 18520-5418 TOK 325B sep 131.5 P.A. 20.20 mag 11.42 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 18520-5418 (HD 174122) : ALADIN DSS IMAGE @ 18h 52m 01.95s -54° 18' 07.0"
 
 
 
 
WDS 18520-5418 TOK 325 AB (HD 174122) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18520-5418 TOK 325AB distance=1' 18520-5418 TOK 325Aa,Ab distance=1' 18502-5412 UC 3691 distance=18' 18541-5421 HJ 5068 distance=19' 18520-5356 B 408 distance=23' 18494-5428 UC 3684 distance=26' 18493-5354 SKF 371 distance=35' 18455-5356 HJ 5057 distance=62' 18577-5340 RST1012 distance=63' 18462-5500 B 402 distance=66' 18596-5411 TDT1173 distance=68' 18448-5354 HRG 139AB distance=69' 18554-5316 UC 3724 distance=69' 18450-5450 B 400 distance=70' 18528-5529 RST1004 distance=72' 18565-5313 SWR 257 distance=77' 18571-5315 TDT1144 distance=78' 19004-5454 HTS 29AB distance=81' 19004-5454 HTS 29AC distance=81' 19004-5454 HTS 29AD distance=81' 19004-5454 HTS 29AE distance=81' 19004-5454 HTS 29AF distance=81' 19004-5454 HTS 29AG distance=81' 19004-5454 HTS 29AH distance=81' 19004-5454 HTS 29AI distance=81' 18436-5326 TDT1020 distance=92' 18505-5247 UC 3693 distance=93' 19026-5437 TDT1195 distance=95' 19029-5413 I 1390 distance=96' 18596-5529 SKF 373 distance=97' 18552-5246 UC 3723 distance=97' 18417-5514 SWR 251 distance=106' 18420-5313 UC 3644 distance=111' 18516-5229 LDS 655 distance=111' 19047-5423 HDS2705 distance=111' 18575-5600 COO 228 distance=112' 18434-5546 B 398AB distance=115' 18434-5546 HJ 5053AB,C distance=115' 19050-5438 TDT1215 distance=115' 18434-5252 HJ 5055 distance=116' 18562-5226 TDT1135 distance=119' 18578-5608 HDS2689 distance=121' 19056-5347 HJ 5081 distance=124' 19032-5302 FIN 269 distance=125' 18426-5553 R 309 distance=125' 18381-5450 KPP1216 distance=126' 18566-5217 DAW 23 distance=128' 18527-5210 RST1005 distance=129' 18421-5554 UC 3646 distance=129' 18500-5207 HDS2669 distance=133' 18455-5216 TOI1122 distance=136' 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 18520-5418 TOK 325 AB 32 146.0 1
Show 18520-5418 TOK 325 Aa,Ab 242 0.1 1
Show 18502-5412 UC 3691 88 106.9 18
Show 18541-5421 HJ 5068 10 10.5 19
Show 18520-5356 B 408 49 2.1 23
Show 18494-5428 UC 3684 96 65.5 26
Show 18493-5354 SKF 371 269 8.4 35
Show 18455-5356 HJ 5057 90 11.6 62
Show 18577-5340 RST1012 89 1.1 63
Show 18462-5500 B 402 255 0.5 66
Show 18596-5411 TDT1173 44 0.5 68
Show 18448-5354 HRG 139 AB 311 3.4 69
Show 18554-5316 UC 3724 127 6.9 69
Show 18450-5450 B 400 141 0.3 70
Show 18528-5529 RST1004 63 1.6 72
Show 18565-5313 SWR 257 296 6.5 77
Show 18571-5315 TDT1144 124 0.5 78
Show 19004-5454 HTS 29 AB 114 12.6 81
Show 19004-5454 HTS 29 AC 68 13.3 81
Show 19004-5454 HTS 29 AD 138 14.4 81
Show 19004-5454 HTS 29 AE 74 17.5 81
Show 19004-5454 HTS 29 AF 306 18.4 81
Show 19004-5454 HTS 29 AG 132 18.8 81
Show 19004-5454 HTS 29 AH 7 19.3 81
Show 19004-5454 HTS 29 AI 14 19.5 81
Show 18436-5326 TDT1020 85 0.7 92
Show 18505-5247 UC 3693 94 10.7 93
Show 19026-5437 TDT1195 48 0.7 95
Show 19029-5413 I 1390 257 0.2 96
Show 18596-5529 SKF 373 105 7.0 97
Show 18552-5246 UC 3723 95 17.0 97
Show 18417-5514 SWR 251 104 6.9 106
Show 18420-5313 UC 3644 281 18.4 111
Show 18516-5229 LDS 655 330 15.7 111
Show 19047-5423 HDS2705 144 17.5 111
Show 18575-5600 COO 228 357 2.7 112
Show 18434-5546 B 398 AB 340 0.3 115
Show 18434-5546 HJ 5053 AB,C 197 32.6 115
Show 19050-5438 TDT1215 65 1.4 115
Show 18434-5252 HJ 5055 75 7.6 116
Show 18562-5226 TDT1135 323 0.9 119
Show 18578-5608 HDS2689 243 0.5 121
Show 19056-5347 HJ 5081 166 16.1 124
Show 19032-5302 FIN 269 135 0.5 125
Show 18426-5553 R 309 207 2.1 125
Show 18381-5450 KPP1216 91 9.4 126
Show 18566-5217 DAW 23 42 1.8 128
Show 18527-5210 RST1005 137 1.7 129
Show 18421-5554 UC 3646 306 22.0 129
Show 18500-5207 HDS2669 182 0.6 133
Show 18455-5216 TOI1122 35 0.5 136

 
 
WDS 18520-5418 : COMPONENTS
 
 
  A Ab
Ab pa=227.7°
sep=0.07"
 
B pa=20.2°
sep=131.53"
pa=20.3°
sep=131.59"
 
 
18520-5418 A
 
 
Name HD 174122 Coord arcsec 2000 185201.95-541807.0 Mag 8.61 Spectral class G3V (yellow)
PmRA 60.00 PmDE -42.0 SAO 245762 HIP 92592
Tycho2 8758-02778-1 HD 174122 CP CP-54 9114
Tycho2
Tycho2 8758-02778-1 Pflag RAmdeg 283.00815453 DEmdeg -54.30197153
PmRA 59.5 PmDE -41.6 E RAmdeg 8 E DEmdeg 8
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.25 EpDEm 1990.40
Num 10 Q RAmdeg 0.9 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.5 BTmag 9.292 E BTmag 0.019 VTmag 8.609
E VTmag 0.014 Prox 999 TYC T HIP 92592
CCDM RAdeg 283.00791472 DEdeg -54.30187361 EpRA 1990 1.51
EpDE 1990 1.53 E RAdeg 7.9 E DEdeg 8.3 Posflg
Corr -0.2
SAO
SAO 245762 DelFlag RA1950 PmRA1950 0.0088
DE1950 PmDE1950 -0.038 Vmag 8.6 SpType G0
Double code Source 42 CatNum 7480 DM CP-54 9114
DMcomp BDsup HD 174122 M HD 0
GC RA1950rad 4.92160679 DE1950rad -0.94878919 PmRA2000 0.0084
PmDE2000 -0.04
Hipparcos
Catalog H HIP 92592 Proxy RAhms 18 52 01.90
DEdms -54 18 06.7 Vmag 8.52 VarFlag R Vmag H
RAdeg 283.008 DEdeg -54.3019 AstroRef Plx 18.47
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 174122 BD
CD CP CP-54 9114 Dm number -54 9114 VIred 0.65
SpType G3V R SpType Coord arcsec 2000 185201.90-541806.7
Hipparcos 2
HIP 92592 Sn 5 So 0 Nc 1
RArad 4.9394197978 DErad -0.9477464293 Plx 19.5 PmRA 58.65
PmDE -48.67 E RArad 0.82 E DErad 0.59 E Plx 1.01
E pmRA 0.86 E pmDE 0.67 Hpmag 8.6551 E Hpmag 0.0018
SHp 0.015 VA 0 BV 0.625 E BV 0.016
VI 0.69
 
 
18520-5418 Ab
 
 
Coord arcsec 2000 185201.94-541807.0 Mag 11.5 Calc delta mag 2.89 Calc coord yes
 
 
18520-5418 B
 
 
Coord arcsec 2000 185207.15-541603.6 Mag 11.42 PmRA 67.00 PmDE -42.0
Calc delta mag 2.81 Calc coord yes