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Doubles in session


Current system
12236+6711
HDS 1745


Nearby doubles
18' : 12242+6655
LDS2641

26' : 12233+6646
CBL 381

27' : 12201+6729
SKF2325

32' : 12182+6711
HDS1732

47' : 12313+6700
LDS2649

48' : 12297+6743
LDS2645

52' : 12204+6623
HDS1737

57' : 12191+6621
MLR 150

60' : 12228+6811
A 1089

62' : 12131+6704
STF1614

62' : 12307+6756
LDS2647

62' : 12287+6618
TDS8403

62' : 12170+6623
LDS2638

64' : 12277+6612
SLN 25

66' : 12140+6638
TDS8278

68' : 12330+6752
TDS8430

70' : 12203+6605
KPP3866

74' : 12353+6740
CVR1451

75' : 12314+6810
LDS2650

75' : 12109+6724
HJ 3336

78' : 12342+6627
LDS2651

80' : 12157+6818
LDS2637

91' : 12160+6831
TDS8291

97' : 12376+6623
MLR 152

97' : 12196+6538
LDS2639

97' : 12098+6809
LDS1281



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.

12236+6711 HDS 1745

 
 
12h 23m 33.32s +67° 11' 17.5" P.A. 33.00 sep 0.6 mag 11.93,12.19 Sp M2.5V+M4V dist. 12.9 pc (42.08 l.y.)
 
 
Coord 2000 12236+6711 Discov num HDS1745 Comp Coord arcsec 2000 12 23 33.32 +67 11 17.5
Date first 1991 Date last 2019 Obs 30
Pa first 35 Pa last 33.3 P.A. Now (θ) 27°
Sep first 0.6 Sep last 0.621 Sep. Now (ρ) 0.581"
Mag pri 11.93 Mag sec 12.19 delta mag (ΔM) 0.26 Spectral class M2.5V+M4V (red/red)
Pri motion ra +237 Sec motion ra
Pri motion dec -122 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 60444 Tycho2 4161-00175-3 GL NN 3722
Distance 12.9 Distance ly 42.08
 
 
ORBITAL ELEMENTS
 
 
Period (P)26.16y± 0.01 Periastron (T)2000.78y± 0.2 Semi-major axis (a)602.3m± 3.3
Eccentricity (e)0.633± 0.002 Inclination (i)99.3°± 0.1 Longitude of periastron (ω)113°± 0.07
Node (Ω)24.2°± 0.2 Notes ReferenceMit2020
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 9.4 0.143
2001 215.0 0.148
2002 202.8 0.308
2003 197.2 0.343
2004 191.6 0.322
2005 184.7 0.278
2006 174.7 0.224
2007 158.5 0.174
2008 132.5 0.142
2009 101.1 0.147
2010 77.4 0.185
2011 63.2 0.239
2012 54.4 0.300
2013 48.7 0.361
2014 44.5 0.419
2015 41.4 0.474
2016 38.9 0.523
2017 36.8 0.566
2018 35.0 0.601
2019 33.3 0.627
2020 31.8 0.641
2021 30.2 0.641
2022 28.7 0.623
2023 27.0 0.581
2024 24.9 0.506
2025 21.7 0.382
2026 13.3 0.183
2027 221.3 0.108
2028 204.0 0.293
2029 198.0 0.342
2030 192.6 0.328


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


 
  


wds12236%2B6711a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12236+6711 HDS 1745 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mit2020 S - Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A., 2020AJ....159..266M
Mit2020 Rastegaev, D. & Komarinsky, S.
Mit2020 AJ 159, 266, 2020
 
 
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
12236+6711 HDS1745 2001 3 209 0.2 11.93 12.19 D 122332.83+671119.0
12236+6711 HDS1745 2007 4 149 0.2 11.93 12.19 D 122332.83+671119.0
12236+6711 HDS1745 2019 27 33 0.6 11.93 12.19 M2.5V+M4V O 122333.32+671117.5

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

 
 
WDS 12236+6711 HDS 1745 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12236+6711 HDS 1745 : MEASURES
 
 
No records found.

 
 
WDS 12236+6711 : VIRTUAL EYEPIECE
 
 

12236+6711 HDS1745A mag 11.93 Sp M2.5V 12236+6711 HDS1745B sep 0.5 P.A. 14.30 mag 12.19 Sp M4V 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 12236+6711 : ALADIN DSS IMAGE @ 12h 23m 33.32s +67° 11' 17.5"
 
 
 
 
WDS 12236+6711 HDS 1745 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12236+6711 HDS1745 distance=1' 12242+6655 LDS2641 distance=18' 12233+6646 CBL 381 distance=26' 12201+6729 SKF2325 distance=27' 12182+6711 HDS1732 distance=32' 12313+6700 LDS2649 distance=47' 12297+6743 LDS2645 distance=48' 12204+6623 HDS1737 distance=52' 12191+6621 MLR 150 distance=57' 12228+6811 A 1089 distance=60' 12131+6704 STF1614 distance=62' 12307+6756 LDS2647 distance=62' 12287+6618 TDS8403 distance=62' 12170+6623 LDS2638 distance=62' 12277+6612 SLN 25 distance=64' 12140+6638 TDS8278 distance=66' 12330+6752 TDS8430 distance=68' 12203+6605 KPP3866 distance=70' 12353+6740 CVR1451 distance=74' 12314+6810 LDS2650 distance=75' 12109+6724 HJ 3336 distance=75' 12342+6627 LDS2651 distance=78' 12157+6818 LDS2637 distance=80' 12160+6831 TDS8291 distance=91' 12376+6623 MLR 152 distance=97' 12196+6538 LDS2639 distance=97' 12098+6809 LDS1281 distance=97' 12382+6628 LDS2656 distance=98' 12380+6804 LDS2655 distance=98' 12180+6848 STT 246 distance=102' 12069+6637 LDS2629 distance=104' 12170+6534 GRV1074 distance=105' 12284+6528 HDS1756 distance=107' 12120+6836 STF1611 distance=108' 12358+6550 LDS2652 distance=111' 12067+6621 CBL 374 distance=112' 12039+6728 LDS2626 distance=115' 12169+6902 KPP3864AB distance=117' 12169+6902 KPP3864BC distance=117' 12390+6553 GRV1080 distance=123' 12046+6620 MET 59AB distance=124' 12046+6620 MET 59AC distance=124' 12411+6831 STF1671AB distance=128' 12411+6831 STF1671AC distance=128' 12060+6842 STF3123AB distance=134' 12060+6842 STF3123AB,C distance=134' 12416+6546 LDS2657 distance=138' 12056+6848 STF1599Ea,Eb distance=139' 12056+6848 STF1599AB distance=140' 12056+6848 STF1599AC distance=140' 12056+6848 STF1599AD distance=140' 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 12236+6711 HDS1745 33 0.6 1
Show 12242+6655 LDS2641 207 11.1 18
Show 12233+6646 CBL 381 313 33.4 26
Show 12201+6729 SKF2325 15 13.1 27
Show 12182+6711 HDS1732 7 0.2 32
Show 12313+6700 LDS2649 261 120.6 47
Show 12297+6743 LDS2645 174 3.6 48
Show 12204+6623 HDS1737 149 0.1 52
Show 12191+6621 MLR 150 229 0.7 57
Show 12228+6811 A 1089 288 0.9 60
Show 12131+6704 STF1614 191 18.6 62
Show 12307+6756 LDS2647 306 1.9 62
Show 12287+6618 TDS8403 17 0.6 62
Show 12170+6623 LDS2638 256 69.8 62
Show 12277+6612 SLN 25 90 11.4 64
Show 12140+6638 TDS8278 139 2.8 66
Show 12330+6752 TDS8430 159 1.2 68
Show 12203+6605 KPP3866 250 18.9 70
Show 12353+6740 CVR1451 133 3.2 74
Show 12314+6810 LDS2650 17 3.9 75
Show 12109+6724 HJ 3336 293 9.1 75
Show 12342+6627 LDS2651 5 158.3 78
Show 12157+6818 LDS2637 42 123.7 80
Show 12160+6831 TDS8291 65 0.5 91
Show 12376+6623 MLR 152 309 0.2 97
Show 12196+6538 LDS2639 312 118.3 97
Show 12098+6809 LDS1281 229 2.4 97
Show 12382+6628 LDS2656 257 69.3 98
Show 12380+6804 LDS2655 48 50.4 98
Show 12180+6848 STT 246 -1 -1.0 102
Show 12069+6637 LDS2629 336 38.6 104
Show 12170+6534 GRV1074 296 16.4 105
Show 12284+6528 HDS1756 160 0.2 107
Show 12120+6836 STF1611 4 1.9 108
Show 12358+6550 LDS2652 23 3.2 111
Show 12067+6621 CBL 374 56 48.4 112
Show 12039+6728 LDS2626 76 42.5 115
Show 12169+6902 KPP3864 AB 304 12.5 117
Show 12169+6902 KPP3864 BC 142 1.0 117
Show 12390+6553 GRV1080 121 19.3 123
Show 12046+6620 MET 59 AB 260 3.1 124
Show 12046+6620 MET 59 AC 260 12.0 124
Show 12411+6831 STF1671 AB 201 29.0 128
Show 12411+6831 STF1671 AC 153 38.4 128
Show 12060+6842 STF3123 AB 190 0.3 134
Show 12060+6842 STF3123 AB,C 302 3.0 134
Show 12416+6546 LDS2657 54 9.9 138
Show 12056+6848 STF1599 Ea,Eb 69 0.3 139
Show 12056+6848 STF1599 AB 166 10.1 140
Show 12056+6848 STF1599 AC 332 108.4 140
Show 12056+6848 STF1599 AD 86 125.6 140

 
 
WDS 12236+6711 : COMPONENTS
 
 
  A
B pa=14.3°
sep=0.54"
 
 
12236+6711 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 122333.32+671117.5 Mag 11.93 Spectral class M2.5V (red)
PmRA 237.00 PmDE -122.0 HIP 60444 Tycho2 4161-00175-3
Tycho2
Tycho2 4161-00175-3 Pflag RAmdeg 185.88838923 DEmdeg 67.18841239
PmRA 235.7 PmDE -107.3 E RAmdeg 48 E DEmdeg 55
E pmRA 2.8 E pmDE 3.0 EpRAm 1989.73 EpDEm 1988.82
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.3 Q pmRA 0.6
Q pmDE 0.3 BTmag 12.739 E BTmag 0.201 VTmag 11.644
E VTmag 0.104 Prox 999 TYC HIP 60444
CCDM AB RAdeg 185.88701583 DEdeg 67.18866611 EpRA 1990 1.74
EpDE 1990 1.61 E RAdeg 66.5 E DEdeg 69.4 Posflg P
Corr -0.1
Hipparcos
Catalog H HIP 60444 Proxy H RAhms 12 23 32.83
DEdms +67 11 19.0 Vmag 11.19 VarFlag R Vmag H
RAdeg 185.887 DEdeg 67.1886 AstroRef A Plx 77.01
CCDM 12236+6711 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 35 Rho 0.595 HD BD
CD CP Dm number VIred 1.49
SpType R SpType Coord arcsec 2000 122332.83+671119.0
Hipparcos 2
HIP 60444 Sn 15 So 3 Nc 2
RArad 3.2443365903 DErad 1.1726624458 Plx 77.54 PmRA 235.19
PmDE -122.94 E RArad 2.82 E DErad 3.57 E Plx 3.23
E pmRA 3.25 E pmDE 4.08 Hpmag 11.299 E Hpmag 0.0044
SHp 0.036 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 12236+6711 RComp Comp A Note1
Note2 Discov num DRAs -2.81 DDEs 18.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.9 Sp PmNote *
PmRA 237 PmDE -122 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 60444
 
 
12236+6711 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 122333.34+671118.0 Mag 12.19 Spectral class M4V (red)
Calc delta mag 0.26 Calc coord yes
CCDM
Ccdm 12236+6711 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.75 DDEs 18.7
R dRAs 82 Year 1991 Theta 35 Rho 0.6
Obs 1 Vmag 12.2 Sp PmNote *
PmRA 242 PmDE -88 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 60444