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Current system
12392-4022
B 1215
HD 109961


Nearby doubles
25' : 12399-3959
HUB 10

35' : 12373-4049
R 203

36' : 12410-4052
RSS 291

40' : 12426-4026
RST1685

44' : 12357-4005
RST1680

44' : 12354-4024
TDS8448

44' : 12357-4004
SHN 164

47' : 12360-3952
FIN 1AB

51' : 12347-4023
UC 2364

60' : 12420-4113
CPO 351

63' : 12382-3920
FIN 34

72' : 12349-3931
UC 2367

75' : 12329-4007
WG 153AB

82' : 12448-4114
RST1691

100' : 12305-4016
I 1555

101' : 12465-3927
SEE 160

101' : 12306-3958
RST1674

101' : 12472-4105
WG 155

102' : 12411-3843
TSN 162

102' : 12473-3942
WG 156

105' : 12349-3850
RSS 289

107' : 12345-3851
TDS8443AB

111' : 12298-4050
RST1672

111' : 12326-4144
SKF 894

113' : 12313-4130
I 82

115' : 12300-4108
RST1673



Selections
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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.

12392-4022 B 1215 (HD 109961)

 
 
12h 39m 10.45s -40° 22' 07.3" P.A. 11.00 sep 0.3 mag 9.15,9.84 Sp G3V dist. 87.57 pc (285.65 l.y.)
 
 
Coord 2000 12392-4022 Discov num B  1215 Comp Coord arcsec 2000 12 39 10.45 -40 22 07.3
Date first 1929 Date last 2018 Obs 25
Pa first 68 Pa last 10.7 P.A. Now (θ) 10.7°
Sep first 0.2 Sep last 0.278 Sep. Now (ρ) 0.278"
Mag pri 9.15 Mag sec 9.84 delta mag (ΔM) 0.69 Spectral class G3V (yellow)
Pri motion ra -088 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109961 Constellation Centaurus SAO 223574 HIP 61729
Tycho2 7762-00220-1 HD 109961 CD CD-39 7742 CP CP-39 5648
Distance 87.57 Distance ly 285.65
 
 
ORBITAL ELEMENTS
 
 
Period (P)59.82y± 0.24 Periastron (T)1995.378y± 0.54 Semi-major axis (a)0.242a± 0.03
Eccentricity (e)0.636± 0.037 Inclination (i)50.6°± 6.5 Longitude of periastron (ω)133.8°± 11.3
Node (Ω)57.2°± 10.4 Notesn ReferenceFMR2013b
Equinox2000 Last observation2011 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 278.6 0.127
2001 288.9 0.132
2002 298.3 0.138
2003 306.9 0.145
2004 314.7 0.153
2005 321.7 0.161
2006 328.0 0.170
2007 333.6 0.180
2008 338.7 0.190
2009 343.3 0.200
2010 347.4 0.210
2011 351.1 0.220
2012 354.6 0.229
2013 357.7 0.239
2014 0.6 0.249
2015 3.3 0.258
2016 5.8 0.267
2017 8.2 0.275
2018 10.4 0.283
2019 12.5 0.291
2020 14.5 0.298
2021 16.4 0.305
2022 18.2 0.311
2023 19.9 0.317
2024 21.6 0.323
2025 23.2 0.327
2026 24.8 0.332
2027 26.4 0.335
2028 27.9 0.338
2029 29.4 0.340
2030 30.9 0.342


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


 
  


wds12392-4022b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12392-4022 B 1215 (HD 109961) : NOTES
 
 
discov_num notes refcode
B 1215 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.35 +/- 0.95, 2.18, and 0.98 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
FMR2013b orb - Rica Romero, F.M. ...................
FMR2013b Webb Soc., Double Star Circ. 21, 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 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12392-4022 B 1215 1993 19 114 0.1 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2009 20 164 0.2 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2011 21 352 0.2 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2013 22 358 0.2 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2014 23 1 0.2 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2016 24 6 0.3 9.15 9.84 G3V NO 123910.45-402207.3
12392-4022 B 1215 2018 25 11 0.3 9.15 9.84 G3V NO 123910.45-402207.3

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

 
 
WDS 12392-4022 B 1215 (HD 109961) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12392-4022 B 1215 (HD 109961) : MEASURES
 
 
No records found.

 
 
WDS 12392-4022 (HD 109961) : VIRTUAL EYEPIECE
 
 

12392-4022 B 1215A mag 9.15 Sp G3V 12392-4022 B 1215B sep 0.3 P.A. 8.20 mag 9.84 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 12392-4022 (HD 109961) : ALADIN DSS IMAGE @ 12h 39m 10.45s -40° 22' 07.3"
 
 
 
 
WDS 12392-4022 B 1215 (HD 109961) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12392-4022 B 1215 distance=0' 12399-3959 HUB 10 distance=25' 12373-4049 R 203 distance=35' 12410-4052 RSS 291 distance=36' 12426-4026 RST1685 distance=40' 12357-4005 RST1680 distance=44' 12354-4024 TDS8448 distance=44' 12357-4004 SHN 164 distance=44' 12360-3952 FIN 1AB distance=47' 12360-3952 HJ 4533AC distance=47' 12347-4023 UC 2364 distance=51' 12420-4113 CPO 351 distance=60' 12382-3920 FIN 34 distance=63' 12439-3946 RST1688Aa,Ab distance=65' 12349-3931 UC 2367 distance=72' 12329-4007 WG 153AB distance=75' 12448-4114 RST1691 distance=82' 12305-4016 I 1555 distance=100' 12465-3927 SEE 160 distance=101' 12306-3958 RST1674 distance=101' 12472-4105 WG 155 distance=101' 12411-3843 TSN 162 distance=102' 12473-3942 WG 156 distance=102' 12349-3850 RSS 289 distance=105' 12345-3851 TDS8443AB distance=107' 12298-4050 RST1672 distance=111' 12326-4144 SKF 894 distance=111' 12313-4130 I 82 distance=113' 12300-4108 RST1673 distance=115' 12422-3823 TDS8490 distance=124' 12448-4218 TDS8511 distance=132' 12302-4148 TDS8414 distance=133' 12422-3813 RST2809 distance=135' 12298-4151 TDS8411 distance=138' 12280-3929 RST1669 distance=139' 12507-4127 TDS8552 distance=147' 12447-3808 DAW 140 distance=150' 12355-4251 TDS8450 distance=155' 12510-4140 TDS8556 distance=155' 12345-3756 KPP 651 distance=156' 12360-4255 TDS8453 distance=157' 12262-4117 UC 2336 distance=157' 12443-4248 DON 549 distance=157' 12395-4259 HU 1494 distance=157' 12399-3745 UC 2381 distance=158' 12505-4154 I 909 distance=158' 12250-4031 KPP 269 distance=162' 12536-4018 WG 158 distance=166' 12432-3743 NSN 409 distance=166' 12246-4014 I 1553 distance=167' 12435-3742 KPP3035 distance=169' 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 12392-4022 B 1215 11 0.3
Show 12399-3959 HUB 10 75 1.2 25
Show 12373-4049 R 203 181 8.4 35
Show 12410-4052 RSS 291 339 9.0 36
Show 12426-4026 RST1685 129 1.2 40
Show 12357-4005 RST1680 335 1.0 44
Show 12354-4024 TDS8448 341 2.8 44
Show 12357-4004 SHN 164 -1 0.3 44
Show 12360-3952 FIN 1 AB 225 7.9 47
Show 12360-3952 HJ 4533 AC 71 43.8 47
Show 12347-4023 UC 2364 180 19.3 51
Show 12420-4113 CPO 351 207 4.4 60
Show 12382-3920 FIN 34 31 4.1 63
Show 12439-3946 RST1688 Aa,Ab 56 0.3 65
Show 12349-3931 UC 2367 290 52.2 72
Show 12329-4007 WG 153 AB 171 3.9 75
Show 12448-4114 RST1691 99 0.7 82
Show 12305-4016 I 1555 300 0.8 100
Show 12465-3927 SEE 160 181 2.7 101
Show 12306-3958 RST1674 60 0.9 101
Show 12472-4105 WG 155 247 8.9 101
Show 12411-3843 TSN 162 174 0.3 102
Show 12473-3942 WG 156 250 4.6 102
Show 12349-3850 RSS 289 258 10.3 105
Show 12345-3851 TDS8443 AB 155 0.4 107
Show 12298-4050 RST1672 163 2.7 111
Show 12326-4144 SKF 894 210 99.5 111
Show 12313-4130 I 82 13 0.7 113
Show 12300-4108 RST1673 153 0.9 115
Show 12422-3823 TDS8490 234 0.5 124
Show 12448-4218 TDS8511 138 0.4 132
Show 12302-4148 TDS8414 262 0.5 133
Show 12422-3813 RST2809 161 2.9 135
Show 12298-4151 TDS8411 17 0.6 138
Show 12280-3929 RST1669 338 1.3 139
Show 12507-4127 TDS8552 246 0.5 147
Show 12447-3808 DAW 140 19 1.7 150
Show 12355-4251 TDS8450 338 0.7 155
Show 12510-4140 TDS8556 1 0.5 155
Show 12345-3756 KPP 651 142 5.9 156
Show 12360-4255 TDS8453 55 2.5 157
Show 12262-4117 UC 2336 218 9.9 157
Show 12443-4248 DON 549 201 1.7 157
Show 12395-4259 HU 1494 151 1.5 157
Show 12399-3745 UC 2381 139 23.1 158
Show 12505-4154 I 909 242 0.6 158
Show 12250-4031 KPP 269 194 3.9 162
Show 12536-4018 WG 158 241 10.6 166
Show 12432-3743 NSN 409 144 13.5 166
Show 12246-4014 I 1553 162 4.7 167
Show 12435-3742 KPP3035 144 2.3 169

 
 
WDS 12392-4022 : COMPONENTS
 
 
  A
B pa=8.2°
sep=0.28"
 
 
12392-4022 A
 
 
Componente originario normalizzato AB Name HD 109961 Coord arcsec 2000 123910.45-402207.3 Mag 9.15
Spectral class G3V (yellow) PmRA -88.00 PmDE -7.0 SAO 223574
HIP 61729 Tycho2 7762-00220-1 HD 109961 CD CD-39 7742
CP CP-39 5648
Tycho2
Tycho2 7762-00220-1 Pflag RAmdeg 189.79325429 DEmdeg -40.36868675
PmRA -87.9 PmDE 9.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.2 E pmDE 1.7 EpRAm 1990.80 EpDEm 1991.54
Num 9 Q RAmdeg 1.3 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.6 BTmag 9.330 E BTmag 0.018 VTmag 8.621
E VTmag 0.013 Prox 999 TYC T HIP 61729
CCDM AB RAdeg 189.79351944 DEdeg -40.36870722 EpRA 1990 1.70
EpDE 1990 1.85 E RAdeg 7.4 E DEdeg 7.1 Posflg P
Corr 0.1
SAO
SAO 223574 DelFlag RA1950 PmRA1950 -0.0066
DE1950 PmDE1950 -0.031 Vmag 8.6 SpType G0p
Double code Source 41 CatNum 5984 DM CD-39 7742
DMcomp BDsup HD 109961 M HD 0
GC RA1950rad 3.30069002 DE1950rad -0.6997765 PmRA2000 -0.0063
PmDE2000 -0.027
Hipparcos
Catalog H HIP 61729 Proxy H RAhms 12 39 10.45
DEdms -40 22 07.3 Vmag 8.56 VarFlag R Vmag H
RAdeg 189.794 DEdeg -40.3687 AstroRef * Plx 10.86
CCDM 12392-4022 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 105 Rho 0.16 HD 109961 BD
CD CD-39 7742 CP CP-39 5648 Dm number -39 7742 VIred 0.69
SpType G3V R SpType Coord arcsec 2000 123910.45-402207.3
Hipparcos 2
HIP 61729 Sn 55 So 3 Nc 2
RArad 3.312522029 DErad -0.7045668491 Plx 11.42 PmRA -86.48
PmDE 8.34 E RArad 0.66 E DErad 0.87 E Plx 1.16
E pmRA 0.94 E pmDE 0.83 Hpmag 8.6926 E Hpmag 0.0017
SHp 0.015 VA 0 BV 0.625 E BV 0.019
VI 0.69
CCDM
Ccdm 12392-4022 RComp Comp A Note1
Note2 Discov num DRAs -1.53 DDEs -9.1
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.3 Sp G0 PmNote *
PmRA -76 PmDE -31 Dm number -39 7742 Cat1 CD
Name2 223574 Cat2 SAO HD 109961 M HD
ADS BDS M ADS BDS N IDS IDS 12338S3949A
HIC 61729
 
 
12392-4022 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123910.45-402207.0 Mag 9.84 Calc delta mag 0.69
Calc coord yes
CCDM
Ccdm 12392-4022 RComp Comp B Note1 *
Note2 Discov num B 1215 DRAs DDEs
R dRAs Year 1960 Theta 015 Rho 0.2
Obs 7 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 12338S3949B
HIC 61729