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Current system
08364+6718
YR 13


Nearby doubles
10' : 08376+6724
HMB 1

14' : 08345+6711
HDS1228

21' : 08370+6738
TDS5984

29' : 08354+6746
LDS2283

42' : 08437+6718
LDS2289

46' : 08332+6636
TDS5930

48' : 08396+6634
TDS6014

50' : 08300+6751
TDS5877

56' : 08278+6653
LDS2281

58' : 08399+6625
LDS2287

62' : 08354+6616
STF1232

66' : 08354+6613
DAM 849

66' : 08373+6613
DAM 850

67' : 08250+6725
LDS2574

68' : 08391+6612
LDS2286

68' : 08438+6626
TDS6063

71' : 08250+6744
TDS5809

73' : 08351+6605
MLR 321

79' : 08499+6718
TDS6119

80' : 08239+6750
LDS2276

83' : 08236+6757
LDS2275

84' : 08434+6605
TDS 490

85' : 08225+6744
TDS 460

85' : 08505+6741
HDS1280

88' : 08491+6632
MLB 345

89' : 08286+6602
JNN 273



Selections
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Binocular doubles
Binary Systems
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08364+6718 YR 13

 
 
08h 36m 25.45s +67° 17' 42.4" P.A. 240.00 sep 0.3 mag 9.30,12.10 Sp M0.5V dist. 13.78 pc (44.95 l.y.)
 
 
Coord 2000 08364+6718 Discov num YR   13 Comp Coord arcsec 2000 08 36 25.45 +67 17 42.4
Date first 1999 Date last 2017 Obs 10
Pa first 35 Pa last 239.8 P.A. Now (θ) 239.8°
Sep first 0.6 Sep last 0.259 Sep. Now (ρ) 0.259"
Mag pri 9.30 Mag sec 12.10 delta mag (ΔM) 2.8 Spectral class M0.5V (red)
Pri motion ra -108 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes O P (Orbital solution, 100-year proper motion)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major HIP 42220 Tycho2 4133-00241-1 GL Gl 310
BD BD+67 552 Distance 13.78 Distance ly 44.95
 
 
ORBITAL ELEMENTS
 
 
Period (P)23.48y± 0.14 Periastron (T)58432.5d (2018.859y)± 5.3 Semi-major axis (a)552.6m± 5.6
Eccentricity (e)0.6976± 0.0074 Inclination (i)122.06°± 0.57 Longitude of periastron (ω)246.72°± 0.37
Node (Ω)49.62°± 0.39 Notes ReferenceMnA2019
Equinox Last observation2017 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 30.6 0.600
2001 25.9 0.630
2002 21.5 0.646
2003 17.3 0.650
2004 13.1 0.645
2005 8.7 0.633
2006 4.1 0.615
2007 359.3 0.592
2008 353.9 0.565
2009 348.0 0.534
2010 341.4 0.502
2011 333.8 0.469
2012 325.1 0.437
2013 315.1 0.406
2014 303.5 0.379
2015 290.3 0.356
2016 275.4 0.335
2017 258.3 0.308
2018 235.5 0.244
2019 151.8 0.092
2020 61.9 0.272
2021 46.9 0.423
2022 38.9 0.518
2023 33.0 0.579
2024 28.1 0.617
2025 23.6 0.640
2026 19.3 0.649
2027 15.1 0.649
2028 10.8 0.640
2029 6.4 0.625
2030 1.6 0.604


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


 
  


wds08364%2B6718b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08364+6718 YR 13 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
MnA2019 C j Mann, A.W., Dupuy, T., Kraus, A.L., Gaidos, E., Ansdell, M., Ireland, M., Rizzuto, 2019ApJ...871...63M
MnA2019 +orb A.C., Hung, C..-L., Dittmann, J., Factor, S., Feiden, G., Martinez, R.A.,
MnA2019 Ruiz-Rodriguez, D. & Chia Thao, P.
MnA2019 ApJ 871, 63, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 YR Yale-Rochester (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
08364+6718 YR 13 2004 3 12 0.6 9.26   K7 DP 083627.06+671741.8
08364+6718 YR 13 2007 4 359 0.6 9.30 12.10 K7 DP 083627.06+671741.8
08364+6718 YR 13 2010 5 342 0.5 9.30 12.10 K7 DP 083627.06+671741.8
08364+6718 YR 13 2012 6 325 0.4 9.30 12.10 K7 O P 083627.06+671741.8
08364+6718 YR 13 2017 9 240 0.3 9.30 12.10 K7 O P 083625.45+671742.4

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

 
 
WDS 08364+6718 YR 13 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08364+6718 YR 13 : MEASURES
 
 
No records found.

 
 
WDS 08364+6718 : VIRTUAL EYEPIECE
 
 

08364+6718 YR 13A mag 9.3 Sp M0.5V 08364+6718 YR 13B sep 0.2 P.A. 213.60 mag 12.1 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 08364+6718 : ALADIN DSS IMAGE @ 08h 36m 25.45s +67° 17' 42.4"
 
 
 
 
WDS 08364+6718 YR 13 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08364+6718 YR 13 distance=0' 08376+6724 HMB 1 distance=10' 08345+6711 HDS1228 distance=14' 08370+6738 TDS5984 distance=21' 08354+6746 LDS2283 distance=29' 08437+6718 LDS2289 distance=42' 08332+6636 TDS5930 distance=46' 08396+6634 TDS6014 distance=48' 08300+6751 TDS5877 distance=50' 08278+6653 LDS2281 distance=56' 08399+6625 LDS2287 distance=58' 08354+6616 STF1232 distance=62' 08354+6613 DAM 849 distance=66' 08373+6613 DAM 850 distance=66' 08250+6725 LDS2574 distance=67' 08391+6612 LDS2286 distance=68' 08438+6626 TDS6063 distance=68' 08250+6744 TDS5809 distance=71' 08351+6605 MLR 321 distance=73' 08499+6718 TDS6119 distance=79' 08239+6750 LDS2276 distance=80' 08236+6757 LDS2275 distance=83' 08434+6605 TDS 490 distance=84' 08225+6744 TDS 460 distance=85' 08505+6741 HDS1280 distance=85' 08491+6632 MLB 345 distance=88' 08286+6602 JNN 273 distance=89' 08217+6742 LDS2274 distance=90' 08375+6548 DAM1425 distance=90' 08358+6848 MLB1073 distance=90' 08268+6831 TDS5833 distance=92' 08239+6610 GAT 1 distance=101' 08233+6826 GAN 4AB distance=101' 08233+6826 STF1208AC distance=101' 08189+6730 TDS5707 distance=102' 08491+6603 TDS6114 distance=107' 08530+6817 HDS1282 distance=111' 08242+6845 WFC 68 distance=111' 08188+6806 LDS2571 distance=112' 08270+6537 LDS2280 distance=116' 08559+6655 TDS6193 distance=116' 08259+6541 LDS2278AB distance=117' 08259+6541 LDS2278BC distance=118' 08244+6544 LDS2277 distance=119' 08172+6639 LDS2569 distance=120' 08555+6808 TDS6186 distance=120' 08259+6902 RAO 686 distance=120' 08167+6808 LDS2567 distance=124' 08466+6527 STF1257 distance=127' 08416+6924 PRZ 9 distance=130' 08204+6549 MLB1072 distance=131' 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 08364+6718 YR 13 240 0.3
Show 08376+6724 HMB 1 154 4.5 10
Show 08345+6711 HDS1228 117 0.2 14
Show 08370+6738 TDS5984 351 0.4 21
Show 08354+6746 LDS2283 304 90.6 29
Show 08437+6718 LDS2289 189 3.7 42
Show 08332+6636 TDS5930 347 0.5 46
Show 08396+6634 TDS6014 98 0.5 48
Show 08300+6751 TDS5877 102 0.5 50
Show 08278+6653 LDS2281 116 12.5 56
Show 08399+6625 LDS2287 72 22.2 58
Show 08354+6616 STF1232 352 30.4 62
Show 08354+6613 DAM 849 241 3.7 66
Show 08373+6613 DAM 850 23 7.7 66
Show 08250+6725 LDS2574 19 161.0 67
Show 08391+6612 LDS2286 295 84.4 68
Show 08438+6626 TDS6063 170 0.5 68
Show 08250+6744 TDS5809 272 0.7 71
Show 08351+6605 MLR 321 144 1.4 73
Show 08499+6718 TDS6119 180 0.6 79
Show 08239+6750 LDS2276 231 12.0 80
Show 08236+6757 LDS2275 248 19.7 83
Show 08434+6605 TDS 490 143 1.4 84
Show 08225+6744 TDS 460 227 1.2 85
Show 08505+6741 HDS1280 102 0.1 85
Show 08491+6632 MLB 345 266 4.5 88
Show 08286+6602 JNN 273 146 0.3 89
Show 08217+6742 LDS2274 113 15.0 90
Show 08375+6548 DAM1425 332 4.1 90
Show 08358+6848 MLB1073 305 9.7 90
Show 08268+6831 TDS5833 12 0.5 92
Show 08239+6610 GAT 1 93 4.2 101
Show 08233+6826 GAN 4 AB 146 9.8 101
Show 08233+6826 STF1208 AC 326 20.7 101
Show 08189+6730 TDS5707 223 0.4 102
Show 08491+6603 TDS6114 29 0.5 107
Show 08530+6817 HDS1282 270 0.4 111
Show 08242+6845 WFC 68 123 9.4 111
Show 08188+6806 LDS2571 49 6.2 112
Show 08270+6537 LDS2280 41 15.6 116
Show 08559+6655 TDS6193 261 0.4 116
Show 08259+6541 LDS2278 AB 194 38.2 117
Show 08259+6541 LDS2278 BC 64 4.2 118
Show 08244+6544 LDS2277 48 14.8 119
Show 08172+6639 LDS2569 158 37.9 120
Show 08555+6808 TDS6186 89 0.6 120
Show 08259+6902 RAO 686 223 0.4 120
Show 08167+6808 LDS2567 104 5.4 124
Show 08466+6527 STF1257 145 27.6 127
Show 08416+6924 PRZ 9 233 3.2 130
Show 08204+6549 MLB1072 114 8.4 131

 
 
WDS 08364+6718 : COMPONENTS
 
 
  A
B pa=213.6°
sep=0.16"
 
 
08364+6718 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 083625.45+671742.4 Mag 9.3 Spectral class M0.5V (red)
PmRA -108.00 PmDE 7.0 HIP 42220 Tycho2 4133-00241-1
BD BD+67 552
Tycho2
Tycho2 4133-00241-1 Pflag RAmdeg 129.10605804 DEmdeg 67.29507329
PmRA -1063.8 PmDE 48.6 E RAmdeg 10 E DEmdeg 8
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.73 EpDEm 1991.10
Num 7 Q RAmdeg 1.0 Q DEmdeg 2.8 Q pmRA 1.0
Q pmDE 2.8 BTmag 11.118 E BTmag 0.028 VTmag 9.467
E VTmag 0.013 Prox 999 TYC T HIP 42220
CCDM RAdeg 129.11246972 DEdeg 67.29496083 EpRA 1990 1.63
EpDE 1990 1.67 E RAdeg 9.5 E DEdeg 7.8 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 42220 Proxy RAhms 08 36 27.06
DEdms +67 17 41.8 Vmag 9.28 VarFlag R Vmag G
RAdeg 129.113 DEdeg 67.295 AstroRef Plx 71.96
CCDM 08364+6718 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD BD+67 552
CD CP Dm number +67 552 VIred 1.71
SpType M2 R SpType Coord arcsec 2000 083627.06+671741.8
Hipparcos 2
HIP 42220 Sn 5 So 0 Nc 1
RArad 2.253442706 DErad 1.1745184925 Plx 72.59 PmRA -1064.12
PmDE 66.38 E RArad 0.6 E DErad 0.8 E Plx 1.26
E pmRA 0.64 E pmDE 0.93 Hpmag 9.3667 E Hpmag 0.0018
SHp 0.029 VA 0 BV 1.417 E BV 0.011
VI 1.71
CCDM
Ccdm 08364+6718 RComp Comp A Note1
Note2 @ Discov num DRAs 1.08 DDEs -18.2
R dRAs 19 Year Theta Rho
Obs 1 Vmag 9.3 Sp M1 PmNote *
PmRA -1060 PmDE 38 Dm number +67 552 Cat1 BD
Name2 +67 400 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS * IDS 08274N6738
HIC 42220
 
 
08364+6718 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 083625.44+671742.3 Mag 12.1 Calc delta mag 2.8
Calc coord yes