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Current system
12017+4728
COU 1752


Nearby doubles
16' : 12031+4719
OSO 45

19' : 12000+4731
KZA 23AB

28' : 12032+4751
VYS 12AB

28' : 12016+4731
KZA 24AB

38' : 12032+4653
TDS8194AB

39' : 11589+4753
CVR 638

39' : 11585+4709
KZA 22

49' : 12045+4648
COU1575

51' : 11580+4802
HU 733

52' : 11579+4655
KZA 21AB

57' : 11596+4636
ES 2639

69' : 12076+4655
LDS4180

70' : 11586+4626
CFN 8

70' : 12038+4835
LDS5747

75' : 12076+4813
COU1907

76' : 12092+4737
LDS4184

76' : 11556+4815
ES 923

84' : 12093+4656
SKF 60

85' : 11578+4614
KZA 20

85' : 12042+4849
SKF2644

91' : 11551+4629
A 1777AB

95' : 12009+4554
CVR1396

96' : 11596+4555
TDS8152

100' : 12115+4726
LDS4187

101' : 12100+4636
ES 725

103' : 11533+4826
LDS5744



Selections
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12017+4728 COU 1752

 
 
12h 01m 44.12s +47° 27' 50.8" P.A. 112.00 sep 0.1 mag 9.58,10.66 Sp F8 dist. 114.16 pc (372.39 l.y.)
 
 
Coord 2000 12017+4728 Discov num COU1752 Comp Coord arcsec 2000 12 01 44.12 +47 27 50.8
Date first 1980 Date last 2012 Obs 14
Pa first 63 Pa last 112.4 P.A. Now (θ) 112.4°
Sep first 0.1 Sep last 0.12 Sep. Now (ρ) 0.12"
Mag pri 9.58 Mag sec 10.66 delta mag (ΔM) 1.08 Spectral class F8 (yellow-white)
Pri motion ra -075 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major HIP 58659 Tycho2 3455-00257-1 Gaia DR2 1540177613104250496
BD BD+48 1992 Distance 114.16 Distance ly 372.39
 
 
ORBITAL ELEMENTS
 
 
Period (P)71.4y± 8 Periastron (T)2006.4y± 0.3 Semi-major axis (a)0.182a± 0.019
Eccentricity (e)0.477± 0.051 Inclination (i)50.3°± 3.4 Longitude of periastron (ω)83.6°± 10.8
Node (Ω)125.6°± 7.6 Notes ReferenceKsr2021
Equinox Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 126.8 0.132
2001 132.6 0.122
2002 139.5 0.111
2003 148.2 0.098
2004 159.5 0.085
2005 175.0 0.072
2006 195.9 0.063
2007 220.7 0.061
2008 243.9 0.067
2009 261.7 0.079
2010 274.5 0.093
2011 284.0 0.107
2012 291.3 0.120
2013 297.2 0.131
2014 302.3 0.142
2015 306.7 0.151
2016 310.6 0.158
2017 314.2 0.165
2018 317.5 0.170
2019 320.7 0.175
2020 323.7 0.179
2021 326.5 0.182
2022 329.3 0.184
2023 332.1 0.186
2024 334.8 0.187
2025 337.4 0.188
2026 340.1 0.188
2027 342.7 0.188
2028 345.4 0.188
2029 348.0 0.188
2030 350.7 0.187


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


 
  


wds12017%2B4728a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12017+4728 COU 1752 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
KSR2021 orb - Kisser, A.E. & Krechet, V.G. 2021AstL...47..754K
KSR2021 Ast. Lett. 47, 754, 2021
 
 
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
12017+4728 COU1752 1996 11 88 0.1 9.58 10.66 F8 120144.12+472750.8
12017+4728 COU1752 2012 14 112 0.1 9.58 10.66 F8 120144.12+472750.8

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

 
 
WDS 12017+4728 COU 1752 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12017+4728 COU 1752 : MEASURES
 
 
No records found.

 
 
WDS 12017+4728 : VIRTUAL EYEPIECE
 
 

12017+4728 COU1752A mag 9.58 Sp F8 12017+4728 COU1752B sep 0.1 P.A. 121.40 mag 10.66 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 12017+4728 : ALADIN DSS IMAGE @ 12h 01m 44.12s +47° 27' 50.8"
 
 
 
 
WDS 12017+4728 COU 1752 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12017+4728 COU1752 distance=0' 12031+4719 OSO 45 distance=16' 12000+4731 KZA 23AB distance=19' 12000+4731 KZA 23AC distance=19' 12032+4751 VYS 12AB distance=28' 12032+4751 GII 184Aa,Ab distance=28' 12016+4731 KZA 24AB distance=28' 12016+4731 KZA 24AC distance=28' 12032+4653 TDS8194AB distance=38' 12032+4653 GII 183Aa,Ab distance=38' 11589+4753 CVR 638 distance=39' 11585+4709 KZA 22 distance=39' 12045+4648 COU1575 distance=49' 11580+4802 HU 733 distance=51' 11579+4655 KZA 21AB distance=52' 11579+4655 KZA 21AC distance=52' 11596+4636 ES 2639 distance=57' 12076+4655 LDS4180 distance=69' 11586+4626 CFN 8 distance=70' 12038+4835 LDS5747 distance=70' 12076+4813 COU1907 distance=75' 12092+4737 LDS4184 distance=76' 11556+4815 ES 923 distance=76' 12093+4656 SKF 60 distance=84' 11578+4614 KZA 20 distance=85' 12042+4849 SKF2644 distance=85' 11551+4629 BAG 46Da,Db distance=90' 11551+4629 STF1579CD distance=91' 11551+4629 A 1777AB distance=91' 11551+4629 STF1579AB,C distance=91' 11551+4629 STF1579AB,D distance=91' 12009+4554 CVR1396 distance=95' 11596+4555 TDS8152 distance=96' 12115+4726 LDS4187 distance=100' 12100+4636 ES 725 distance=101' 11533+4826 LDS5744 distance=103' 11546+4615 KZA 19AB distance=104' 11546+4615 KZA 19AC distance=104' 12098+4833 KPP1249 distance=104' 11520+4805 HU 731 distance=106' 11579+4544 SKF2640 distance=111' 11571+4908 HU 732 distance=112' 12031+4921 TDS8191 distance=115' 11525+4612 KZA 18AB distance=122' 11525+4612 KZA 18AC distance=122' 11525+4612 KZA 18AD distance=122' 12123+4618 HJ 2602 distance=129' 11561+4533 STF1581 distance=129' 11517+4850 CVR 629 distance=130' 12138+4643 A 1849 distance=132' 12122+4849 SKF1634 distance=133' 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 12017+4728 COU1752 112 0.1
Show 12031+4719 OSO 45 198 8.6 16
Show 12000+4731 KZA 23 AB 357 41.6 19
Show 12000+4731 KZA 23 AC 301 49.2 19
Show 12032+4751 VYS 12 AB 181 2.7 28
Show 12032+4751 GII 184 Aa,Ab 29 0.4 28
Show 12016+4731 KZA 24 AB 2 176.6 28
Show 12016+4731 KZA 24 AC 344 81.8 28
Show 12032+4653 TDS8194 AB 346 1.6 38
Show 12032+4653 GII 183 Aa,Ab 116 0.2 38
Show 11589+4753 CVR 638 216 8.4 39
Show 11585+4709 KZA 22 95 10.9 39
Show 12045+4648 COU1575 262 1.4 49
Show 11580+4802 HU 733 160 2.0 51
Show 11579+4655 KZA 21 AB 255 54.5 52
Show 11579+4655 KZA 21 AC 34 24.7 52
Show 11596+4636 ES 2639 53 9.6 57
Show 12076+4655 LDS4180 359 134.8 69
Show 11586+4626 CFN 8 334 1.5 70
Show 12038+4835 LDS5747 266 314.4 70
Show 12076+4813 COU1907 358 2.9 75
Show 12092+4737 LDS4184 180 30.5 76
Show 11556+4815 ES 923 218 2.4 76
Show 12093+4656 SKF 60 215 33.8 84
Show 11578+4614 KZA 20 204 32.5 85
Show 12042+4849 SKF2644 149 35.9 85
Show 11551+4629 BAG 46 Da,Db 326 0.1 90
Show 11551+4629 STF1579 CD 117 61.9 91
Show 11551+4629 A 1777 AB 358 0.3 91
Show 11551+4629 STF1579 AB,C 44 3.7 91
Show 11551+4629 STF1579 AB,D 114 62.9 91
Show 12009+4554 CVR1396 241 3.1 95
Show 11596+4555 TDS8152 87 0.9 96
Show 12115+4726 LDS4187 65 31.0 100
Show 12100+4636 ES 725 59 6.5 101
Show 11533+4826 LDS5744 266 201.9 103
Show 11546+4615 KZA 19 AB 336 54.4 104
Show 11546+4615 KZA 19 AC 116 53.6 104
Show 12098+4833 KPP1249 220 9.6 104
Show 11520+4805 HU 731 305 1.3 106
Show 11579+4544 SKF2640 164 16.8 111
Show 11571+4908 HU 732 356 1.4 112
Show 12031+4921 TDS8191 122 0.6 115
Show 11525+4612 KZA 18 AB 25 66.5 122
Show 11525+4612 KZA 18 AC 347 51.5 122
Show 11525+4612 KZA 18 AD 315 85.5 122
Show 12123+4618 HJ 2602 227 20.5 129
Show 11561+4533 STF1581 171 2.5 129
Show 11517+4850 CVR 629 314 7.3 130
Show 12138+4643 A 1849 6 0.1 132
Show 12122+4849 SKF1634 169 2.8 133

 
 
WDS 12017+4728 : COMPONENTS
 
 
  A
B pa=121.4°
sep=0.09"
 
 
12017+4728 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 120144.12+472750.8 Mag 9.58 Spectral class F8 (yellow-white)
PmRA -75.00 PmDE -1.0 HIP 58659 Tycho2 3455-00257-1
BD BD+48 1992
Tycho2
Tycho2 3455-00257-1 Pflag RAmdeg 180.43354570 DEmdeg 47.46409233
PmRA -77.4 PmDE -8.0 E RAmdeg 12 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.02 EpDEm 1989.80
Num 8 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.4
Q pmDE 0.9 BTmag 10.174 E BTmag 0.025 VTmag 9.572
E VTmag 0.020 Prox 999 TYC T HIP 58659
CCDM AB RAdeg 180.43380833 DEdeg 47.46411167 EpRA 1990 1.74
EpDE 1990 1.78 E RAdeg 12.0 E DEdeg 13.3 Posflg P
Corr -0.1
Hipparcos
Catalog H HIP 58659 Proxy H RAhms 12 01 44.12
DEdms +47 27 50.8 Vmag 9.58 VarFlag R Vmag H
RAdeg 180.434 DEdeg 47.4641 AstroRef * Plx 9.23
CCDM 12017+4728 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 229 Rho 0.23 HD BD BD+48 1992
CD CP Dm number +48 1992 VIred 0.58
SpType F8 R SpType Coord arcsec 2000 120144.12+472750.8
Hipparcos 2
HIP 58659 Sn 55 So 3 Nc 2
RArad 3.1491644218 DErad 0.828405019 Plx 8.76 PmRA -80.42
PmDE -4.81 E RArad 1.13 E DErad 0.94 E Plx 1.59
E pmRA 1.31 E pmDE 1.23 Hpmag 9.6926 E Hpmag 0.0029
SHp 0.028 VA 0 BV 0.52 E BV 0.031
VI 0.59
CCDM
Ccdm 12017+4728 RComp Comp A Note1
Note2 Discov num DRAs 2.04 DDEs -8.5
R dRAs 81 Year Theta Rho
Obs 2 Vmag 9.7 Sp F8 PmNote @
PmRA -79 PmDE 4 Dm number +48 1992 Cat1 BD
Name2 +47 943 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 11566N4801A
HIC 58659
 
 
12017+4728 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 120144.13+472750.8 Mag 10.66 Calc delta mag 1.08
Calc coord yes
CCDM
Ccdm 12017+4728 RComp Comp B Note1
Note2 Discov num COU1752 DRAs DDEs
R dRAs Year 1990 Theta 91 Rho 0.2
Obs 7 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 11566N4801B
HIC 58659