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Current system
18106+0738
GII 260 Aa,Ab


Nearby doubles
20' : 18095+0748
LDS5229

40' : 18098+0815
GWP2764

43' : 18122+0814
HDS2568AB

43' : 18133+0752
RAO 606

50' : 18123+0656
DBR 289

54' : 18140+0718
LDS5230

85' : 18158+0711
LDS5232

91' : 18159+0823
LDS5231

91' : 18096+0609
STF2283

93' : 18163+0702
LDS5233

93' : 18116+0606
CFN 14

93' : 18093+0909
RUC 24AB

94' : 18068+0853
ENG 63AB

94' : 18166+0807
KPP1764

96' : 18073+0617
TDT 694

97' : 18052+0645
J 1200

97' : 18133+0906
HDS2573

99' : 18172+0735
J 2514

100' : 18112+0559
J 805

103' : 18149+0859
HU 196

104' : 18135+0604
NSN 703

107' : 18063+0613
GWP2759

108' : 18165+0637
TDS 912

110' : 18033+0745
HEI 867

111' : 18091+0924
PRY 3

112' : 18119+0928
TDT 733



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

18106+0738 GII 260 Aa,Ab

 
 
18h 10m 37.52s +07° 38' 07.5" P.A. 38.00 sep 0.2 mag 8.40,8.40 Sp K2 dist. 186.22 pc (607.45 l.y.)
 
 
Coord 2000 18106+0738 Discov num GII 260 Comp Aa,Ab Coord arcsec 2000 18 10 37.52 +07 38 07.5
Date first 2013 Date last 2013 Obs 1
Pa first 38 Pa last 37.7 P.A. Now (θ) 37.7°
Sep first 0.2 Sep last 0.153 Sep. Now (ρ) 0.153"
Mag pri 8.40 Mag sec 8.40 delta mag (ΔM) 0 Spectral class K2 (yellow-orange)
Pri motion ra -002 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18106+0738 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 123215 18 10 38 +07 38 08 GII 260 Aa,Ab 2013 1 38 0.2 8.40 8.40 0.00 <===
Show HD 166498 123215 18 10 38 +07 38 08 HDS 2562 AB 2013 6 245 0.9 7.65 10.91 3.26
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 123215 HIP 89059 Tycho2 1009-01609-1
HD 166498 BD BD+07 3578 Distance 186.22 Distance ly 607.45
 
 
WDS 18106+0738 GII 260 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gii1991 Ma j Gili, R. 1991AN....312...41G
Gii1991 AN 312, 41, 1991
Gii1994 M+ j Gili, R. (Couteau & Gili) 1994A&AS..106..377G
Gii1994 +C A&AS 106, 377, 1994
Gii1997 M+ j Gili, R. & Couteau, P. 1997A&AS..126....1G
Gii1997 +C A&AS 126, 1, 1997
Gii2001 C j Gili, R. & Bonneau, D. 2001A&A...378..954G
Gii2001 A&A 378, 954, 2001
Gii2008 C j Gili, R. 2008IAUDS.165....1G
Gii2008 Inf. Circ. 165, 1, 2008
Gii2009 S j Gili, R. 2009IAUDS.168....1G
Gii2009 +orb Inf. Circ. 168, 1, 2009
Gii2009b C j Gili, R. & Agati, J.-L. 2009O&T....73....9G
Gii2009b +S Obs. et Travaux 73, 9, 2009
Gii2009c C j Gili, R. & Agati, J.-L. 2009O&T....74...14G
Gii2009c +S Obs. et Travaux 74, 14, 2009
Gii2012 S j Gili, R. & Prieur, J.-L. 2012AN....333..727G
Gii2012 +Cl AN 333, 727, 2012
Gii2016 S j Gili, R. 2016IAUDS.190....4G
Gii2016 +Cl Inf. Circ. 190, 4, 2016
Gii2016b Cl Gili, R.
Gii2016b private comm. (email 27 Aug 2016)
Gii2020 S Gili, R., Prieur, J.-L., Rivet, J.-P., Scardia, M., Pansecchi, L., Argyle, R.W., 2020AN....341..441G
Gii2020 +Cl Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D. & Maccarini, L.
Gii2020 AN 341, 441, 2020
Gii2021 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2021AN....342..865G
Gii2021 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2021 Maccarini, L. & Serot, J.
Gii2021 AN 342, 865, 2021
Gii2022 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2022AN....34324008G
Gii2022 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2022 Maccarini, L. & Serot, J.
Gii2022 AN 343, 24008, 2022
Gii2022 errata for Gii2022 (source of code "P" measures in wds) 2023AN....34437001G
Gii2022 AN 344, 37001, 2023
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
18106+0738 GII 260 Aa,Ab 2013 1 38 0.2 8.40 8.40 K2 181037.52+073807.5

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

 
 
WDS 18106+0738 GII 260 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18106+0738 GII 260 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 18106+0738 : VIRTUAL EYEPIECE
 
 

18106+0738 HDS2562A mag 7.65 Sp K2 18106+0738 GII 260Ab sep 0.1 P.A. 37.50 mag 8.4 18106+0738 HDS2562B sep 0.9 P.A. 244.90 mag 10.91 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 18106+0738 : ALADIN DSS IMAGE @ 18h 10m 37.52s +07° 38' 07.5"
 
 
 
 
WDS 18106+0738 GII 260 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18106+0738 GII 260Aa,Ab distance=0' 18095+0748 LDS5229 distance=20' 18098+0815 GWP2764 distance=40' 18122+0814 HDS2568AB distance=43' 18122+0814 GII 261Aa,Ab distance=43' 18133+0752 RAO 606 distance=43' 18123+0656 DBR 289 distance=50' 18140+0718 LDS5230 distance=54' 18158+0711 LDS5232 distance=85' 18159+0823 LDS5231 distance=91' 18096+0609 STF2283 distance=91' 18163+0702 LDS5233 distance=93' 18116+0606 CFN 14 distance=93' 18093+0909 RUC 24AB distance=93' 18093+0909 RUC 24AC distance=93' 18068+0853 ENG 63AB distance=94' 18068+0853 SLE 133AD distance=94' 18068+0853 SLE 133AE distance=94' 18068+0853 BUP 179AC distance=94' 18068+0853 SLE 133AF distance=94' 18068+0853 DEA 58AH distance=94' 18068+0853 TOK 696Aa,Ab distance=94' 18166+0807 KPP1764 distance=94' 18068+0853 SLE 133BF distance=94' 18068+0853 BUP 179BG distance=94' 18073+0617 TDT 694 distance=96' 18052+0645 J 1200 distance=97' 18133+0906 HDS2573 distance=97' 18172+0735 J 2514 distance=99' 18112+0559 J 805 distance=100' 18149+0859 HU 196 distance=103' 18135+0604 NSN 703 distance=104' 18063+0613 GWP2759 distance=107' 18165+0637 TDS 912 distance=108' 18033+0745 HEI 867 distance=110' 18091+0924 PRY 3 distance=111' 18119+0928 TDT 733 distance=112' 18032+0755 STTA164 distance=112' 18128+0549 STT 345AB distance=114' 18128+0549 STT 345AC distance=114' 18043+0633 SKF1860 distance=115' 18140+0922 TDT 753 distance=116' 18181+0709 LDS5234 distance=117' 18044+0626 TOK 317 distance=117' 18184+0716 HEI 868 distance=118' 18065+0920 TOB 270CD distance=118' 18065+0920 HZG 12BC distance=119' 18065+0920 ARN9001AB distance=120' 18065+0920 TOB 270AD distance=120' 18135+0548 FOX 80AB distance=120' 18135+0548 FOX 80AC distance=120' 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 18106+0738 HDS2562 AB 245 0.9
Show 18106+0738 GII 260 Aa,Ab 38 0.2
Show 18095+0748 LDS5229 210 2.4 20
Show 18098+0815 GWP2764 319 43.7 40
Show 18122+0814 HDS2568 AB 263 0.6 43
Show 18122+0814 GII 261 Aa,Ab 39 0.2 43
Show 18133+0752 RAO 606 34 0.9 43
Show 18123+0656 DBR 289 242 1.3 50
Show 18140+0718 LDS5230 51 5.1 54
Show 18158+0711 LDS5232 270 5.2 85
Show 18159+0823 LDS5231 127 3.6 91
Show 18096+0609 STF2283 48 0.5 91
Show 18163+0702 LDS5233 22 4.8 93
Show 18116+0606 CFN 14 140 0.6 93
Show 18093+0909 RUC 24 AB 6 8.3 93
Show 18093+0909 RUC 24 AC 36 22.7 93
Show 18068+0853 ENG 63 AB 247 129.1 94
Show 18068+0853 SLE 133 AD 10 127.1 94
Show 18068+0853 SLE 133 AE 76 148.9 94
Show 18068+0853 BUP 179 AC 316 79.9 94
Show 18068+0853 SLE 133 AF 334 172.8 94
Show 18068+0853 DEA 58 AH 169 8.0 94
Show 18068+0853 TOK 696 Aa,Ab 207 0.0 94
Show 18166+0807 KPP1764 345 13.7 94
Show 18068+0853 SLE 133 BF 12 210.5 94
Show 18068+0853 BUP 179 BG 37 80.0 94
Show 18073+0617 TDT 694 13 1.5 96
Show 18052+0645 J 1200 208 5.2 97
Show 18133+0906 HDS2573 165 0.9 97
Show 18172+0735 J 2514 303 1.8 99
Show 18112+0559 J 805 96 3.7 100
Show 18149+0859 HU 196 1 0.1 103
Show 18135+0604 NSN 703 270 25.8 104
Show 18063+0613 GWP2759 227 122.8 107
Show 18165+0637 TDS 912 198 1.2 108
Show 18033+0745 HEI 867 338 3.5 110
Show 18091+0924 PRY 3 329 4.6 111
Show 18119+0928 TDT 733 258 0.4 112
Show 18032+0755 STTA164 50.8 112
Show 18128+0549 STT 345 AB 67 1.5 114
Show 18128+0549 STT 345 AC 199 86.5 114
Show 18043+0633 SKF1860 34 18.5 115
Show 18140+0922 TDT 753 189 0.5 116
Show 18181+0709 LDS5234 31 3.9 117
Show 18044+0626 TOK 317 170 712.9 117
Show 18184+0716 HEI 868 115 1.2 118
Show 18065+0920 TOB 270 CD 188 76.4 118
Show 18065+0920 HZG 12 BC 218 136.5 119
Show 18065+0920 ARN9001 AB 114 38.2 120
Show 18065+0920 TOB 270 AD 197 206.3 120
Show 18135+0548 FOX 80 AB 64 3.0 120

 
 
WDS 18106+0738 : COMPONENTS
 
 
  A Ab
Ab pa=37.5°
sep=0.15"
 
B pa=244.9°
sep=0.93"
pa=241.1°
sep=1.07"
 
 
18106+0738 A
 
 
Name HD 166498 Coord arcsec 2000 181037.52+073807.5 Mag 7.65 Spectral class K2 (yellow-orange)
PmRA -2.00 PmDE 8.0 SAO 123215 HIP 89059
Tycho2 1009-01609-1 HD 166498 GC 24786 BD BD+07 3578
Tycho2
Tycho2 1009-01609-1 Pflag RAmdeg 272.65632834 DEmdeg 7.63540939
PmRA -1.9 PmDE 7.5 E RAmdeg 6 E DEmdeg 6
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.78 EpDEm 1990.81
Num 15 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 9.037 E BTmag 0.018 VTmag 7.646
E VTmag 0.011 Prox 9 TYC T HIP 89059
CCDM A RAdeg 272.65633306 DEdeg 7.63539222 EpRA 1990 1.86
EpDE 1990 1.77 E RAdeg 5.5 E DEdeg 5.8 Posflg
Corr 0.0
SAO
SAO 123215 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.005 Vmag 7.4 SpType K2
Double code Source 70 CatNum 24786 DM BD+07 3578
DMcomp BDsup HD 166498 M HD 0
GC 24786 RA1950rad 4.74821818 DE1950rad 0.13305947 PmRA2000 0.0004
PmDE2000 0.005
Hipparcos
Catalog H HIP 89059 Proxy H RAhms 18 10 37.52
DEdms +07 38 07.4 Vmag 7.44 VarFlag R Vmag H
RAdeg 272.656 DEdeg 7.63539 AstroRef A Plx 5.38
CCDM 18106+0738 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 241 Rho 0.93 HD 166498 BD BD+07 3578
CD CP Dm number +07 3578 VIred 1.06
SpType K2 R SpType Coord arcsec 2000 181037.52+073807.4
Hipparcos 2
HIP 89059 Sn 15 So 3 Nc 2
RArad 4.7587507632 DErad 0.1332626817 Plx 5.37 PmRA -2.99
PmDE 9.3 E RArad 0.72 E DErad 0.72 E Plx 0.88
E pmRA 0.78 E pmDE 0.8 Hpmag 7.6117 E Hpmag 0.0012
SHp 0.014 VA 0 BV 1.148 E BV 0.013
VI 1.11
CCDM
Ccdm 18106+0738 RComp Comp A Note1
Note2 Discov num DRAs 1.52 DDEs 7.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.7 Sp K2 PmNote *
PmRA -3 PmDE 9 Dm number +07 3578 Cat1 BD
Name2 +07 2346 Cat2 AGK2/3 HD 166498 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89059
 
 
18106+0738 Ab
 
 
Coord arcsec 2000 181037.53+073807.6 Mag 8.4 Calc coord yes
 
 
18106+0738 B
 
 
Coord arcsec 2000 181037.46+073807.1 Mag 10.91 PmRA -3.00 PmDE 9.0
Calc delta mag 2.51 Calc coord yes
CCDM
Ccdm 18106+0738 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.46 DDEs 7.0
R dRAs 82 Year 1991 Theta 241 Rho 0.9
Obs 1 Vmag 11.0 Sp PmNote *
PmRA -3 PmDE 9 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89059