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Current system
10269+1931
COU 292
HD 90460


Nearby doubles
22' : 10264+1951
GWP1372

25' : 10280+1950
STF1435

44' : 10248+2002
FMR 215

45' : 10301+1931
KPP3818

55' : 10308+1929
KPP1106

57' : 10274+1834
GWP1376

71' : 10261+1821
COU 291

82' : 10314+2023
SKF1731

86' : 10213+1859
TDS7209

88' : 10271+1804
STF1434

90' : 10301+2048
STF1439

96' : 10262+1756
HAU 22

96' : 10269+2106
CVR1291

100' : 10200+1950
STF1424AB
Algieba

102' : 10197+1928
WNO 53AB

106' : 10199+1856
CVR1282

109' : 10332+1830
SLW 491

114' : 10349+1930
HJ 485

115' : 10192+2008
CVR1280

117' : 10192+1850
COU 289

117' : 10210+1809
COU 50

119' : 10308+2116
SLW 482

119' : 10243+1738
CVR 564

120' : 10331+2052
COU 172

121' : 10337+2045
COU 173

123' : 10208+2058
SLW 464



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.

10269+1931 COU 292 (HD 90460)

 
 
10h 26m 54.22s +19° 30' 44.9" P.A. 50.00 sep 0.2 mag 8.42,8.79 Sp F8 dist. 79.05 pc (257.86 l.y.)
 
 
Coord 2000 10269+1931 Discov num COU 292 Comp Coord arcsec 2000 10 26 54.22 +19 30 44.9
Date first 1968 Date last 2013 Obs 60
Pa first 41 Pa last 49.5 P.A. Now (θ) 16.2°
Sep first 0.2 Sep last 0.171 Sep. Now (ρ) 0.186"
Mag pri 8.42 Mag sec 8.79 delta mag (ΔM) 0.37 Spectral class F8 (yellow-white)
Pri motion ra -011 Sec motion ra
Pri motion dec -042 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 90460 Constellation Leo SAO 99125 HIP 51147
Tycho2 1423-00154-1 Gaia DR2 624535459414819584 HD 90460 BD BD+20 2486
Distance 79.05 Distance ly 257.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)25.02y Periastron (T)1981.6y Semi-major axis (a)0.149a
Eccentricity (e)0.592 Inclination (i)138.4° Longitude of periastron (ω)215.1°
Node (Ω)61.7° Notesn ReferenceDoc2013e
Equinox2000 Last observation2006 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 3.0 0.158
2001 354.4 0.141
2002 343.4 0.124
2003 328.8 0.107
2004 309.0 0.091
2005 282.1 0.079
2006 245.8 0.067
2007 188.4 0.051
2008 124.7 0.066
2009 95.5 0.100
2010 81.0 0.132
2011 71.8 0.157
2012 64.9 0.178
2013 59.4 0.194
2014 54.6 0.206
2015 50.3 0.215
2016 46.2 0.220
2017 42.3 0.223
2018 38.4 0.223
2019 34.5 0.220
2020 30.4 0.215
2021 26.1 0.207
2022 21.4 0.198
2023 16.2 0.186
2024 10.2 0.173
2025 3.2 0.158
2026 354.6 0.141
2027 343.6 0.124
2028 329.1 0.107
2029 309.4 0.092
2030 282.7 0.079


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


 
  


wds10269%2B1931b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10269+1931 COU 292 (HD 90460) : NOTES
 
 
discov_num notes refcode
COU 292 1983.9557, 1983.9667: Measurements should be given low confidence. Bag1985
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.26 +/- 1.05, 2.44, and 1.10 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Bag1985 S j Balega, Y.Y. & Balega, I.I. 1985SvAL...11...47B
Bag1985 SvAL 11, 47, 1985
Doc2013e orb - Docobo, J.A. & Ling, J.F. 2013IAUDS.180....1D
Doc2013e Inf. Circ. 180, 1, 2013
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10269+1931 COU 292 2006 52 234 0.1 8.42 8.79 F8 NOD 102654.22+193044.9
10269+1931 COU 292 2011 57 72 0.2 8.42 8.79 F8 NO 102654.22+193044.9
10269+1931 COU 292 2012 59 47 0.2 8.42 8.79 F8 NO 102654.22+193044.9
10269+1931 COU 292 2013 60 50 0.2 8.42 8.79 F8 NO 102654.22+193044.9

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

 
 
WDS 10269+1931 COU 292 (HD 90460) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10269+1931 COU 292 (HD 90460) : MEASURES
 
 
No records found.

 
 
WDS 10269+1931 (HD 90460) : VIRTUAL EYEPIECE
 
 

10269+1931 COU 292A mag 8.42 Sp F8 10269+1931 COU 292B sep 0.2 P.A. 47.80 mag 8.79 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 10269+1931 (HD 90460) : ALADIN DSS IMAGE @ 10h 26m 54.22s +19° 30' 44.9"
 
 
 
 
WDS 10269+1931 COU 292 (HD 90460) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10269+1931 COU 292 distance=0' 10264+1951 GWP1372 distance=22' 10280+1950 STF1435 distance=25' 10248+2002 FMR 215 distance=44' 10301+1931 KPP3818 distance=45' 10308+1929 KPP1106 distance=55' 10274+1834 GWP1376 distance=57' 10261+1821 COU 291 distance=71' 10314+2023 SKF1731 distance=82' 10213+1859 TDS7209 distance=86' 10271+1804 STF1434 distance=88' 10301+2048 STF1439 distance=90' 10262+1756 HAU 22 distance=96' 10269+2106 CVR1291 distance=96' 10200+1950 STF1424BC distance=100' 10200+1950 STF1424AB (Algieba) distance=100' 10200+1950 STF1424AC (Algieba) distance=100' 10200+1950 STF1424AD (Algieba) distance=100' 10197+1928 WNO 53AB distance=102' 10200+1950 BAG 32Ca,Cb distance=106' 10200+1950 STF1424CD distance=106' 10200+1950 FYM 38CE distance=106' 10200+1950 FYM 38CF distance=106' 10199+1856 CVR1282 distance=106' 10332+1830 SLW 491 distance=109' 10349+1930 HJ 485 distance=114' 10192+2008 CVR1280 distance=115' 10192+1850 COU 289 distance=117' 10210+1809 COU 50 distance=117' 10308+2116 SLW 482 distance=119' 10243+1738 CVR 564 distance=119' 10331+2052 COU 172 distance=120' 10337+2045 COU 173 distance=121' 10208+2058 SLW 464 distance=123' 10192+2034 STF1423 distance=126' 10300+2133 RAO 251 distance=130' 10335+1800 CVR 105 distance=131' 10228+1733 SLW 468 distance=131' 10281+2141 KPP 753 distance=132' 10178+2000 A 2149AB distance=133' 10178+2000 A 2149AC distance=133' 10178+2000 GII 170Aa,Ab distance=133' 10217+2124 HJL1058 distance=135' 10203+1753 COU 290 distance=136' 10361+2009 TDS7369 distance=136' 10269+1713 STT 217 distance=138' 10343+1802 YSC 40 distance=139' 10317+1726 CVR1297 distance=143' 10168+1955 CVR1276 distance=145' 10334+1734 KPP3822 distance=149' 10228+2149 KPP 220 distance=151' 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 10269+1931 COU 292 50 0.2
Show 10264+1951 GWP1372 145 110.9 22
Show 10280+1950 STF1435 203 8.5 25
Show 10248+2002 FMR 215 264 2.5 44
Show 10301+1931 KPP3818 198 2.4 45
Show 10308+1929 KPP1106 323 8.8 55
Show 10274+1834 GWP1376 283 136.8 57
Show 10261+1821 COU 291 66 0.8 71
Show 10314+2023 SKF1731 215 1.2 82
Show 10213+1859 TDS7209 65 0.7 86
Show 10271+1804 STF1434 282 6.5 88
Show 10301+2048 STF1439 73 1.4 90
Show 10262+1756 HAU 22 265 12.4 96
Show 10269+2106 CVR1291 106 3.6 96
Show 10200+1950 STF1424 BC 288 327.4 100
Show Algieba 10200+1950 STF1424 AB 127 4.7 100
Show Algieba 10200+1950 STF1424 AC 288 341.2 100
Show Algieba 10200+1950 STF1424 AD 302 371.3 100
Show 10197+1928 WNO 53 AB 308 999.9 102
Show 10200+1950 BAG 32 Ca,Cb 24 0.2 106
Show 10200+1950 STF1424 CD 6 90.7 106
Show 10200+1950 FYM 38 CE 59 148.6 106
Show 10200+1950 FYM 38 CF 238 53.4 106
Show 10199+1856 CVR1282 74 3.1 106
Show 10332+1830 SLW 491 68 135.9 109
Show 10349+1930 HJ 485 157 18.9 114
Show 10192+2008 CVR1280 275 3.3 115
Show 10192+1850 COU 289 68 0.2 117
Show 10210+1809 COU 50 177 0.2 117
Show 10308+2116 SLW 482 175 16.5 119
Show 10243+1738 CVR 564 51 20.3 119
Show 10331+2052 COU 172 33 0.3 120
Show 10337+2045 COU 173 185 0.8 121
Show 10208+2058 SLW 464 77 179.6 123
Show 10192+2034 STF1423 308 0.7 126
Show 10300+2133 RAO 251 286 1.2 130
Show 10335+1800 CVR 105 88 48.2 131
Show 10228+1733 SLW 468 128 10.5 131
Show 10281+2141 KPP 753 283 6.6 132
Show 10178+2000 A 2149 AB 306 1.5 133
Show 10178+2000 A 2149 AC 194 9.6 133
Show 10178+2000 GII 170 Aa,Ab 96 0.2 133
Show 10217+2124 HJL1058 149 196.1 135
Show 10203+1753 COU 290 122 0.4 136
Show 10361+2009 TDS7369 277 0.7 136
Show 10269+1713 STT 217 150 0.8 138
Show 10343+1802 YSC 40 237 0.4 139
Show 10317+1726 CVR1297 178 4.2 143
Show 10168+1955 CVR1276 75 3.4 145
Show 10334+1734 KPP3822 118 3.1 149
Show 10228+2149 KPP 220 149 3.9 151

 
 
WDS 10269+1931 : COMPONENTS
 
 
  A
B pa=47.8°
sep=0.17"
 
 
10269+1931 A
 
 
Componente originario normalizzato AB Name HD 90460 Coord arcsec 2000 102654.22+193044.9 Mag 8.42
Spectral class F8 (yellow-white) PmRA -11.00 PmDE -42.0 SAO 99125
HIP 51147 Tycho2 1423-00154-1 HD 90460 BD BD+20 2486
Tycho2
Tycho2 1423-00154-1 Pflag RAmdeg 156.72591698 DEmdeg 19.51237964
PmRA -0.8 PmDE -35.3 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.26 EpDEm 1990.71
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 0.9 BTmag 8.471 E BTmag 0.017 VTmag 7.787
E VTmag 0.013 Prox 999 TYC T HIP 51147
CCDM AB RAdeg 156.72591861 DEdeg 19.51246278 EpRA 1990 1.72
EpDE 1990 1.56 E RAdeg 5.8 E DEdeg 7.0 Posflg P
Corr 0.2
SAO
SAO 99125 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.022 Vmag 8 SpType F8
Double code Source 35 CatNum 4011 DM BD+20 2486
DMcomp BDsup HD 90460 M HD 0
GC RA1950rad 2.72350897 DE1950rad 0.34501882 PmRA2000 0.0002
PmDE2000 -0.017
Hipparcos
Catalog H HIP 51147 Proxy H RAhms 10 26 54.22
DEdms +19 30 44.9 Vmag 7.7 VarFlag R Vmag H
RAdeg 156.726 DEdeg 19.5125 AstroRef * Plx 14.04
CCDM 10269+1931 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 46 Rho 0.22 HD 90460 BD BD+20 2486
CD CP Dm number +20 2486 VIred 0.67
SpType F8 R SpType Coord arcsec 2000 102654.22+193044.9
Hipparcos 2
HIP 51147 Sn 55 So 3 Nc 2
RArad 2.7353833474 DErad 0.3405567707 Plx 12.65 PmRA 2.77
PmDE -38.31 E RArad 0.62 E DErad 0.44 E Plx 0.74
E pmRA 0.71 E pmDE 0.43 Hpmag 7.8368 E Hpmag 0.0012
SHp 0.01 VA 0 BV 0.635 E BV 0.013
VI 0.7
CCDM
Ccdm 10269+1931 RComp Comp A Note1
Note2 Discov num DRAs 0.22 DDEs -16.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA 0 PmDE -49 Dm number +20 2486 Cat1 BD
Name2 +19 1058 Cat2 AGK2/3 HD 90460 M HD
ADS BDS M ADS BDS N IDS IDS 10215N2001A
HIC 51147
 
 
10269+1931 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102654.23+193045.0 Mag 8.79 Calc delta mag 0.37
Calc coord yes
CCDM
Ccdm 10269+1931 RComp Comp B Note1 *
Note2 Discov num COU 292 DRAs DDEs
R dRAs Year 1968 Theta 40 Rho 0.2
Obs 1 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10215N2001B
HIC 51147