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Doubles in session


Current system
16430-0857
YSC 155
HD 150686


Nearby doubles
16' : 16421-0847
RST3956

26' : 16437-0834
UC 3217

40' : 16408-0919
GWP2654

43' : 16429-0940
UC 3215

51' : 16435-0807
WRH 26

51' : 16458-0828
HDS2378

55' : 16465-0838
UC 3229

57' : 16433-0953
RST3958

68' : 16385-0908
J 2667

89' : 16490-0856
TOK 308

94' : 16493-0904
HDS2385

100' : 16488-0807
GWP2669

112' : 16362-0945
UC 3191

113' : 16498-0949
GWP2672

116' : 16369-0746
RST3954

118' : 16510-0852
LDS4698

120' : 16510-0836
RST3960

125' : 16463-0702
CVR 840

130' : 16515-0826
RST3961

134' : 16484-0710
J 2502

141' : 16506-0732
CVR 844

143' : 16337-0933
LAF 57AB

145' : 16435-1121
UC 3216

157' : 16509-0713
UC 3241

158' : 16332-0956
RST3952

158' : 16325-0834
OSO 72



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.

16430-0857 YSC 155 (HD 150686)

 
 
16h 43m 01.31s -08° 57' 04.4" sep 0.0 mag 8.90,10.80 Sp F8 dist. 107.87 pc (351.87 l.y.)
 
 
Coord 2000 16430-0857 Discov num YSC 155 Comp Coord arcsec 2000 16 43 01.31 -08 57 04.4
Date first 2008 Date last 2021 Obs 13
Pa first 306 Pa last 359.9 P.A. Now (θ) 341.4°
Sep first 0.1 Sep last 0.012 Sep. Now (ρ) 0.077"
Mag pri 8.90 Mag sec 10.80 delta mag (ΔM) 1.9 Spectral class F8 (yellow-white)
Pri motion ra -012 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150686 Constellation Ophiuchus SAO 141326 HIP 81843
Tycho2 5628-00651-1 Gaia DR2 4338705529252972288 HD 150686 GC 22477
BD BD-08 4294 Distance 107.87 Distance ly 351.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.82y± 0.19 Periastron (T)2020.77y± 0.16 Semi-major axis (a)0.065a± 0.006
Eccentricity (e)0.9 Inclination (i)137°± 10.3 Longitude of periastron (ω)318.4°± 10.3
Node (Ω)113.1°± 6.7 Notes ReferenceTok2021f
Equinox Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 359.6 0.041
2001 344.5 0.069
2002 337.2 0.088
2003 332.2 0.101
2004 328.1 0.108
2005 324.4 0.111
2006 320.7 0.108
2007 316.6 0.100
2008 311.3 0.084
2009 302.2 0.057
2010 99.5 0.008
2011 355.5 0.047
2012 342.9 0.073
2013 336.2 0.091
2014 331.4 0.102
2015 327.4 0.109
2016 323.7 0.111
2017 320.0 0.107
2018 315.7 0.097
2019 310.1 0.080
2020 299.4 0.050
2021 40.2 0.016
2022 352.2 0.053
2023 341.4 0.077
2024 335.2 0.093
2025 330.7 0.104
2026 326.8 0.110
2027 323.1 0.110
2028 319.3 0.106
2029 314.9 0.095
2030 308.8 0.076


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


 
  


wds16430-0857a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16430-0857 YSC 155 (HD 150686) : 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 YSC Yale-Southern Connecticut (from additional DD list - see HOR)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16430-0857 YSC 155 2008 1 306 0.1 8.90 10.80 F8 D 164301.31-085704.4
16430-0857 YSC 155 2014 3 331 0.1 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2015 6 325 0.1 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2017 7 319 0.1 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2018 8 315 0.1 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2019 11 306 0.1 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2020 12 301 0.0 8.90 10.80 F8 164301.31-085704.4
16430-0857 YSC 155 2021 13 0 0.0 8.90 10.80 F8 164301.31-085704.4

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

 
 
WDS 16430-0857 YSC 155 (HD 150686) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16430-0857 YSC 155 (HD 150686) : MEASURES
 
 
No records found.

 
 
WDS 16430-0857 (HD 150686) : VIRTUAL EYEPIECE
 
 

16430-0857 YSC 155A mag 8.9 Sp F8 16430-0857 YSC 155B mag 10.8 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 16430-0857 (HD 150686) : ALADIN DSS IMAGE @ 16h 43m 01.31s -08° 57' 04.4"
 
 
 
 
WDS 16430-0857 YSC 155 (HD 150686) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16430-0857 YSC 155 distance=0' 16421-0847 RST3956 distance=16' 16437-0834 UC 3217 distance=26' 16408-0919 GWP2654 distance=40' 16429-0940 UC 3215 distance=43' 16435-0807 WRH 26 distance=51' 16458-0828 HDS2378 distance=51' 16465-0838 UC 3229 distance=55' 16433-0953 RST3958 distance=57' 16385-0908 J 2667 distance=68' 16490-0856 TOK 308 distance=89' 16493-0904 HDS2385 distance=94' 16488-0807 GWP2669 distance=100' 16362-0945 UC 3191 distance=112' 16498-0949 GWP2672 distance=113' 16369-0746 RST3954 distance=116' 16510-0852 LDS4698 distance=118' 16510-0836 RST3960 distance=120' 16463-0702 CVR 840 distance=125' 16515-0826 RST3961 distance=130' 16484-0710 J 2502 distance=134' 16506-0732 CVR 844 distance=141' 16337-0933 LAF 57AB distance=143' 16337-0933 LAF 57AC distance=143' 16337-0933 LAF 57AD distance=143' 16337-0933 LAF 57AE distance=143' 16337-0933 LAF 57AF distance=143' 16435-1121 UC 3216 distance=145' 16509-0713 UC 3241 distance=157' 16332-0956 RST3952 distance=158' 16325-0834 OSO 72 distance=158' 16337-1022 UC 3186 distance=162' 16321-0938 KPP 371 distance=167' 16502-1108 YMG 84 distance=170' 16329-1034 HO 407 distance=178' 16400-0605 TOK 305AB distance=178' 16400-0605 RAO 82BC distance=180' 16345-1106 YMG 81 distance=181' 16487-1139 LDS4694 distance=182' 16555-0820 UC 3253CF distance=188' 16555-0820 KUI 75AB distance=189' 16555-0820 SLE 687AB,E distance=189' 16555-0820 WNO 55AB,F distance=189' 16555-0820 LDS 573AB,C distance=189' 16555-0820 LDS 573AB,D distance=189' 16536-1045 YSC 156 distance=190' 16306-0948 NSN 152 distance=191' 16383-0559 A 1863 distance=192' 16525-1108 UC 3247 distance=192' 16357-0617 RST4563 distance=194' 16318-0701 STF3105 distance=203' 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 16430-0857 YSC 155 0.0
Show 16421-0847 RST3956 196 2.1 16
Show 16437-0834 UC 3217 119 42.7 26
Show 16408-0919 GWP2654 71 53.6 40
Show 16429-0940 UC 3215 81 45.4 43
Show 16435-0807 WRH 26 348 0.3 51
Show 16458-0828 HDS2378 148 0.3 51
Show 16465-0838 UC 3229 239 29.7 55
Show 16433-0953 RST3958 145 0.9 57
Show 16385-0908 J 2667 193 4.9 68
Show 16490-0856 TOK 308 38 120.2 89
Show 16493-0904 HDS2385 224 0.1 94
Show 16488-0807 GWP2669 357 20.7 100
Show 16362-0945 UC 3191 306 33.5 112
Show 16498-0949 GWP2672 49 18.6 113
Show 16369-0746 RST3954 67 0.5 116
Show 16510-0852 LDS4698 200 3.0 118
Show 16510-0836 RST3960 288 1.2 120
Show 16463-0702 CVR 840 27 11.7 125
Show 16515-0826 RST3961 192 1.8 130
Show 16484-0710 J 2502 237 4.7 134
Show 16506-0732 CVR 844 109 21.1 141
Show 16337-0933 LAF 57 AB 235 6.8 143
Show 16337-0933 LAF 57 AC 5 8.6 143
Show 16337-0933 LAF 57 AD 50 9.7 143
Show 16337-0933 LAF 57 AE 68 10.0 143
Show 16337-0933 LAF 57 AF 226 14.0 143
Show 16435-1121 UC 3216 331 38.7 145
Show 16509-0713 UC 3241 21 7.1 157
Show 16332-0956 RST3952 92 2.1 158
Show 16325-0834 OSO 72 4 17.4 158
Show 16337-1022 UC 3186 167 15.7 162
Show 16321-0938 KPP 371 51 4.9 167
Show 16502-1108 YMG 84 238 0.8 170
Show 16329-1034 HO 407 218 14.6 178
Show 16400-0605 TOK 305 AB 40 179.2 178
Show 16400-0605 RAO 82 BC 150 27.4 180
Show 16345-1106 YMG 81 148 1.9 181
Show 16487-1139 LDS4694 62 43.8 182
Show 16555-0820 UC 3253 CF 150 298.8 188
Show 16555-0820 KUI 75 AB 107 0.2 189
Show 16555-0820 SLE 687 AB,E 324 295.3 189
Show 16555-0820 WNO 55 AB,F 155 230.7 189
Show 16555-0820 LDS 573 AB,C 313 72.3 189
Show 16555-0820 LDS 573 AB,D 155 21.0 189
Show 16536-1045 YSC 156 81 0.1 190
Show 16306-0948 NSN 152 158 3.8 191
Show 16383-0559 A 1863 273 0.6 192
Show 16525-1108 UC 3247 194 42.9 192
Show 16357-0617 RST4563 23 6.5 194
Show 16318-0701 STF3105 182 0.6 203

 
 
WDS 16430-0857 : COMPONENTS
 
 
  A
B pa=359.9°
sep=0.01"
 
 
16430-0857 A
 
 
Componente originario normalizzato AB Name HD 150686 Coord arcsec 2000 164301.31-085704.4 Mag 8.9
Spectral class F8 (yellow-white) PmRA -12.00 PmDE -19.0 SAO 141326
HIP 81843 Tycho2 5628-00651-1 HD 150686 GC 22477
BD BD-08 4294
Tycho2
Tycho2 5628-00651-1 Pflag RAmdeg 250.75542832 DEmdeg -8.95126616
PmRA -12.6 PmDE -15.3 E RAmdeg 8 E DEmdeg 10
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.64 EpDEm 1989.05
Num 15 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 9.398 E BTmag 0.021 VTmag 8.792
E VTmag 0.016 Prox 999 TYC T HIP 81843
CCDM RAdeg 250.75545833 DEdeg -8.95123083 EpRA 1990 1.60
EpDE 1990 1.38 E RAdeg 8.7 E DEdeg 10.8 Posflg
Corr 0.2
SAO
SAO 141326 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.018 Vmag 8.2 SpType F8
Double code Source 70 CatNum 22477 DM BD-08 4294
DMcomp BDsup HD 150686 M HD 0
GC 22477 RA1950rad 4.36461049 DE1950rad -0.15459831 PmRA2000 -0.0007
PmDE2000 -0.015
Hipparcos
Catalog H HIP 81843 Proxy RAhms 16 43 01.31
DEdms -08 57 04.4 Vmag 8.7 VarFlag R Vmag G
RAdeg 250.755 DEdeg -8.95123 AstroRef Plx 7.53
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 150686 BD BD-08 4294
CD CP Dm number -08 4294 VIred 0.65
SpType F8 R SpType Coord arcsec 2000 164301.31-085704.4
Hipparcos 2
HIP 81843 Sn 5 So 0 Nc 1
RArad 4.3765084136 DErad -0.1562283914 Plx 9.27 PmRA -11.63
PmDE -19.01 E RArad 1.2 E DErad 0.7 E Plx 1.34
E pmRA 1.6 E pmDE 1.12 Hpmag 8.8205 E Hpmag 0.0015
SHp 0.014 VA 0 BV 0.581 E BV 0.015
VI 0.65
 
 
16430-0857 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164301.31-085704.4 Mag 10.8 Calc delta mag 1.9
Calc coord yes