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Doubles in session


Current system
12508+0806
HDS 1803
HD 111660


Nearby doubles
9' : 12509+0757
LDS4282

16' : 12519+0800
LDS4286

24' : 12513+0743
UC 2416

38' : 12492+0738
HLD 117

52' : 12538+0740
DEA 27

59' : 12525+0712
HJ 2621AB

63' : 12498+0705
GWP1862

66' : 12538+0854
SLW 791

66' : 12516+0911
HEI 771

69' : 12512+0914
SLW 780

77' : 12559+0812
HJ 850

78' : 12560+0757
KPP4336AB

79' : 12463+0847
BGH 41AB

87' : 12509+0640
SLW 779

89' : 12452+0735
CVR1465

94' : 12519+0940
HJ 849

94' : 12530+0638
J 1024

95' : 12549+0919
HEI 514

96' : 12572+0818
FIN 380

101' : 12574+0831
CVR 671

107' : 12441+0842
NSN 633

109' : 12567+0701
STF1693

109' : 12560+0647
LDS4296

109' : 12464+0932
STT 577

110' : 12438+0733
STF1674

110' : 12564+0654
GWP1880



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.

12508+0806 HDS 1803 (HD 111660)

 
 
12h 50m 49.66s +08° 05' 57.1" P.A. 39.00 sep 0.2 mag 9.19,9.31 Sp G5 dist. 136.24 pc (444.41 l.y.)
 
 
Coord 2000 12508+0806 Discov num HDS1803 Comp Coord arcsec 2000 12 50 49.66 +08 05 57.1
Date first 1991 Date last 2021 Obs 10
Pa first 198 Pa last 38.7 P.A. Now (θ) 33.8°
Sep first 0.1 Sep last 0.2 Sep. Now (ρ) 0.189"
Mag pri 9.19 Mag sec 9.31 delta mag (ΔM) 0.12 Spectral class G5 (yellow)
Pri motion ra -102 Sec motion ra
Pri motion dec -041 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 111660 Constellation Virgo SAO 119623 HIP 62697
Tycho2 0882-00688-1 Gaia DR2 3709819753298356864 HD 111660 BD BD+08 2650
Distance 136.24 Distance ly 444.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)54y± 8.3 Periastron (T)1982.8y± 3 Semi-major axis (a)0.179a± 0.007
Eccentricity (e)0.26± 0.16 Inclination (i)120.4°± 3.3 Longitude of periastron (ω)131.7°± 17.9
Node (Ω)39.6°± 5.8 Notes ReferenceTok2021f
Equinox Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 130.5 0.105
2001 121.1 0.107
2002 112.4 0.112
2003 104.5 0.118
2004 97.4 0.125
2005 91.0 0.133
2006 85.5 0.141
2007 80.5 0.149
2008 76.1 0.158
2009 72.1 0.166
2010 68.5 0.174
2011 65.2 0.181
2012 62.1 0.188
2013 59.3 0.194
2014 56.6 0.199
2015 54.0 0.203
2016 51.5 0.206
2017 49.0 0.207
2018 46.6 0.208
2019 44.2 0.207
2020 41.7 0.205
2021 39.2 0.201
2022 36.6 0.196
2023 33.8 0.189
2024 30.7 0.181
2025 27.3 0.171
2026 23.5 0.160
2027 19.1 0.147
2028 13.7 0.133
2029 7.0 0.118
2030 358.4 0.103


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds12508%2B0806b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12508+0806 HDS 1803 (HD 111660) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 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
12508+0806 HDS1803 1991 1 198 0.1 9.19 9.31 G5 125049.66+080557.1
12508+0806 HDS1803 2007 3 79 0.2 9.19 9.31 G5 D 125049.66+080557.1
12508+0806 HDS1803 2011 5 64 0.2 9.19 9.31 G5 125049.66+080557.1
12508+0806 HDS1803 2016 6 51 0.2 9.19 9.31 G5 125049.66+080557.1
12508+0806 HDS1803 2018 7 46 0.2 9.19 9.31 G5 O 125049.66+080557.1
12508+0806 HDS1803 2019 8 43 0.2 9.19 9.31 G5 O 125049.66+080557.1
12508+0806 HDS1803 2021 9 39 0.2 9.19 9.31 G5 O 125049.66+080557.1

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

 
 
WDS 12508+0806 HDS 1803 (HD 111660) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12508+0806 HDS 1803 (HD 111660) : MEASURES
 
 
No records found.

 
 
WDS 12508+0806 (HD 111660) : VIRTUAL EYEPIECE
 
 

12508+0806 HDS1803A mag 9.19 Sp G5 12508+0806 HDS1803B sep 0.2 P.A. 38.40 mag 9.31 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 12508+0806 (HD 111660) : ALADIN DSS IMAGE @ 12h 50m 49.66s +08° 05' 57.1"
 
 
 
 
WDS 12508+0806 HDS 1803 (HD 111660) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12508+0806 HDS1803 distance=0' 12509+0757 LDS4282 distance=9' 12519+0800 LDS4286 distance=16' 12513+0743 UC 2416 distance=24' 12492+0738 HLD 117 distance=38' 12538+0740 DEA 27 distance=52' 12525+0712 HJ 2621AB distance=59' 12525+0712 ABH 80AD distance=59' 12525+0712 HJ 2621AC distance=59' 12525+0712 HJ 2621BC distance=60' 12498+0705 GWP1862 distance=63' 12538+0854 SLW 791 distance=66' 12516+0911 HEI 771 distance=66' 12512+0914 SLW 780 distance=69' 12559+0812 HJ 850 distance=77' 12560+0757 KPP4336AB distance=78' 12560+0757 KPP4336AC distance=78' 12560+0757 KPP4336BC distance=78' 12560+0757 KPP4336BD distance=78' 12560+0757 KPP4336CD distance=78' 12463+0847 BGH 41AB distance=79' 12463+0847 BGH 41AC distance=79' 12561+0753 LDS4297DE distance=80' 12509+0640 SLW 779 distance=87' 12452+0735 CVR1465 distance=89' 12519+0940 HJ 849 distance=94' 12530+0638 J 1024 distance=94' 12549+0919 HEI 514 distance=95' 12572+0818 FIN 380 distance=96' 12574+0831 CVR 671 distance=101' 12441+0842 NSN 633 distance=107' 12567+0701 STF1693 distance=109' 12560+0647 LDS4296 distance=109' 12464+0932 STT 577 distance=109' 12438+0733 STF1674 distance=110' 12564+0654 GWP1880 distance=110' 12497+0617 CVR 666 distance=111' 12592+0754 STF1703 distance=125' 12557+0620 LDS4295 distance=128' 12431+0900 DAM2482 distance=128' 12577+0925 SLW 800 distance=130' 12549+0608 GWP1877 distance=134' 12521+1018 J 2901 distance=134' 12419+0726 DAM 806 distance=138' 12418+0722 A 1782 distance=141' 12584+0639 SLW 801 distance=142' 12440+0626 LIT 24 distance=143' 12459+1009 HJ 217AB distance=143' 12459+1009 HJ 217AC distance=143' 12459+1009 HJ 217BC distance=144' 12584+0939 CVR1480 distance=147' 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 12508+0806 HDS1803 39 0.2
Show 12509+0757 LDS4282 294 28.0 9
Show 12519+0800 LDS4286 263 39.7 16
Show 12513+0743 UC 2416 156 52.5 24
Show 12492+0738 HLD 117 20 2.5 38
Show 12538+0740 DEA 27 128 6.3 52
Show 12525+0712 HJ 2621 AB 87 32.8 59
Show 12525+0712 ABH 80 AD 10 19.4 59
Show 12525+0712 HJ 2621 AC 129 38.4 59
Show 12525+0712 HJ 2621 BC 187 26.2 60
Show 12498+0705 GWP1862 200 18.9 63
Show 12538+0854 SLW 791 308 53.2 66
Show 12516+0911 HEI 771 247 1.3 66
Show 12512+0914 SLW 780 110 165.9 69
Show 12559+0812 HJ 850 173 11.7 77
Show 12560+0757 KPP4336 AB 61 2.2 78
Show 12560+0757 KPP4336 AC 36 59.0 78
Show 12560+0757 KPP4336 BC 35 57.0 78
Show 12560+0757 KPP4336 BD 38 58.5 78
Show 12560+0757 KPP4336 CD 98 3.1 78
Show 12463+0847 BGH 41 AB 270 117.1 79
Show 12463+0847 BGH 41 AC 270 999.9 79
Show 12561+0753 LDS4297 DE 235 16.7 80
Show 12509+0640 SLW 779 310 116.3 87
Show 12452+0735 CVR1465 210 4.9 89
Show 12519+0940 HJ 849 257 11.5 94
Show 12530+0638 J 1024 66 3.6 94
Show 12549+0919 HEI 514 87 1.3 95
Show 12572+0818 FIN 380 165 0.1 96
Show 12574+0831 CVR 671 251 8.8 101
Show 12441+0842 NSN 633 10 0.6 107
Show 12567+0701 STF1693 332 8.7 109
Show 12560+0647 LDS4296 268 46.0 109
Show 12464+0932 STT 577 211 142.4 109
Show 12438+0733 STF1674 173 2.3 110
Show 12564+0654 GWP1880 64 16.0 110
Show 12497+0617 CVR 666 323 13.7 111
Show 12592+0754 STF1703 259 8.2 125
Show 12557+0620 LDS4295 286 37.8 128
Show 12431+0900 DAM2482 83 1.7 128
Show 12577+0925 SLW 800 94 10.5 130
Show 12549+0608 GWP1877 51 97.0 134
Show 12521+1018 J 2901 22 6.5 134
Show 12419+0726 DAM 806 72 20.0 138
Show 12418+0722 A 1782 135 1.9 141
Show 12584+0639 SLW 801 290 12.2 142
Show 12440+0626 LIT 24 273 29.5 143
Show 12459+1009 HJ 217 AB 24 33.1 143
Show 12459+1009 HJ 217 AC 96 42.7 143
Show 12459+1009 HJ 217 BC 140 45.6 144
Show 12584+0939 CVR1480 279 4.9 147

 
 
WDS 12508+0806 : COMPONENTS
 
 
  A
B pa=38.4°
sep=0.20"
 
 
12508+0806 A
 
 
Componente originario normalizzato AB Name HD 111660 Coord arcsec 2000 125049.66+080557.1 Mag 9.19
Spectral class G5 (yellow) PmRA -102.00 PmDE -41.0 SAO 119623
HIP 62697 Tycho2 0882-00688-1 HD 111660 BD BD+08 2650
Tycho2
Tycho2 0882-00688-1 Pflag RAmdeg 192.70668354 DEmdeg 8.09910868
PmRA -100.8 PmDE -41.3 E RAmdeg 10 E DEmdeg 10
E pmRA 1.7 E pmDE 1.6 EpRAm 1990.79 EpDEm 1990.44
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 9.598 E BTmag 0.026 VTmag 8.453
E VTmag 0.016 Prox 999 TYC T HIP 62697
CCDM AB RAdeg 192.70691917 DEdeg 8.09920500 EpRA 1990 1.67
EpDE 1990 1.55 E RAdeg 9.9 E DEdeg 10.4 Posflg P
Corr 0.1
SAO
SAO 119623 DelFlag RA1950 PmRA1950 -0.0078
DE1950 PmDE1950 -0.064 Vmag 8.3 SpType G5
Double code Source 32 CatNum 6245 DM BD+08 2650
DMcomp BDsup HD 111660 M HD 0
GC RA1950rad 3.35235721 DE1950rad 0.14610766 PmRA2000 -0.0077
PmDE2000 -0.06
Hipparcos
Catalog H HIP 62697 Proxy H RAhms 12 50 49.66
DEdms +08 05 57.1 Vmag 8.29 VarFlag R Vmag G
RAdeg 192.707 DEdeg 8.09921 AstroRef * Plx 9.46
CCDM 12508+0806 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 198 Rho 0.138 HD 111660 BD BD+08 2650
CD CP Dm number +08 2650 VIred 0.94
SpType G5 R SpType Coord arcsec 2000 125049.66+080557.1
Hipparcos 2
HIP 62697 Sn 55 So 3 Nc 2
RArad 3.3633705101 DErad 0.1413578376 Plx 7.34 PmRA -100.63
PmDE -42.27 E RArad 0.99 E DErad 0.89 E Plx 1.2
E pmRA 1.05 E pmDE 0.87 Hpmag 8.4944 E Hpmag 0.0021
SHp 0.015 VA 0 BV 0.95 E BV 0.015
VI 0.94
CCDM
Ccdm 12508+0806 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs -3.2
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.2 Sp G5 PmNote *
PmRA -102 PmDE -41 Dm number +08 2650 Cat1 BD
Name2 +08 1596 Cat2 AGK2/3 HD 111660 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 62697
 
 
12508+0806 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 125049.67+080557.3 Mag 9.31 Calc delta mag 0.12
Calc coord yes
CCDM
Ccdm 12508+0806 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.61 DDEs -3.3
R dRAs 82 Year 1991 Theta 198 Rho 0.1
Obs 1 Vmag 9.3 Sp PmNote *
PmRA -102 PmDE -41 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 62697