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Doubles in session


Current system
01108+6747
HDS 155
HD 6840


Nearby doubles
24' : 01083+6729
HU 1021AB

43' : 01172+6810
HJ 1075

47' : 01189+6756
TDS1839

52' : 01066+6833
HDS 142

55' : 01149+6658
LDS3247

57' : 01151+6656
LDS3249

57' : 01207+6752
MLR 294

60' : 01107+6847
H 4 16

63' : 01167+6841
HU 1025AB

65' : 00599+6732
TDS1709

68' : 01003+6717
HJ 1061

70' : 01180+6844
LDS3259

70' : 01023+6838
TDS1736

73' : 00587+6726
HU 1019

73' : 00581+6742
BLL 2AB

76' : 01237+6806
SKF 978AB

86' : 01198+6856
MLR 293

88' : 01259+6808
BU 1101AB

89' : 00568+6828
MLR 290

94' : 01256+6830
TDS1874

94' : 01274+6751
LDS3281

94' : 01269+6814
LDS3280

98' : 01030+6914
LAF 24AB

99' : 01280+6733
HU 1028

101' : 00548+6831
KPP2614

101' : 00561+6653
SKF2560



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.

01108+6747 HDS 155 (HD 6840)

 
 
01h 10m 50.74s +67° 46' 48.2" P.A. 174.00 sep 0.1 mag 7.22,7.68 Sp G0IV+G0IV dist. 54.64 pc (178.24 l.y.)
 
 
Coord 2000 01108+6747 Discov num HDS 155 Comp Coord arcsec 2000 01 10 50.74 +67 46 48.2
Date first 1991 Date last 2013 Obs 27
Pa first 165 Pa last 174 P.A. Now (θ) 189.2°
Sep first 0.1 Sep last 0.133 Sep. Now (ρ) 0.103"
Mag pri 7.22 Mag sec 7.68 delta mag (ΔM) 0.46 Spectral class G0IV+G0IV (yellow/yellow)
Pri motion ra +250 Sec motion ra
Pri motion dec +024 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 6840 Constellation Cassiopeia SAO 11614 HIP 5531
Tycho2 4296-01443-1 Gaia DR2 526537396786294784 HD 6840 GC 1409
BD BD+67 98 Distance 54.64 Distance ly 178.24
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.453y Periastron (T)1995.5y Semi-major axis (a)0.083a
Eccentricity (e)0.744 Inclination (i)52° Longitude of periastron (ω)215°
Node (Ω)151.8° Notes ReferenceDoc2018i
Equinox2000 Last observation2013 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 182.0 0.118
2001 194.4 0.091
2002 222.5 0.052
2003 16.0 0.016
2004 148.8 0.086
2005 161.3 0.121
2006 169.7 0.132
2007 177.8 0.126
2008 188.0 0.105
2009 205.8 0.071
2010 270.6 0.031
2011 136.5 0.057
2012 156.6 0.109
2013 166.1 0.129
2014 174.0 0.130
2015 182.9 0.116
2016 196.0 0.088
2017 227.7 0.048
2018 68.3 0.017
2019 150.4 0.091
2020 162.2 0.123
2021 170.4 0.132
2022 178.6 0.124
2023 189.2 0.103
2024 208.5 0.067
2025 284.9 0.029
2026 140.0 0.064
2027 157.7 0.112
2028 166.8 0.130
2029 174.8 0.129
2030 183.9 0.114
2031 197.7 0.085
2032 233.8 0.044
2033 101.8 0.024
2034 151.9 0.095
2035 163.0 0.124
2036 171.2 0.132
2037 179.5 0.123
2038 190.4 0.100
2039 211.5 0.063
2040 301.2 0.027
2041 142.9 0.071
2042 158.7 0.115
2043 167.6 0.131
2044 175.6 0.129
2045 184.9 0.112
2046 199.6 0.081
2047 241.1 0.040
2048 117.8 0.033
2049 153.3 0.099
2050 163.8 0.126


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


 
  


wds01108%2B6747b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01108+6747 HDS 155 (HD 6840) : NOTES
 
 
discov_num notes refcode
HDS 155 A spectroscopic double lined orbit has been determined as well. Grf2012d
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.02 +/- 0.23, 2.18, and 2.52 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Doc2018i orb - Docobo, J.A., Balega, Campo, P.P., Abushattal, A.A. 2018IA UDS.196....1D
Grf2012d not - Griffin, R.F. 2012Obs...132..309G
Grf2012d Observatory 132, 309, 2012
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 DOC Docobo, J. (Docobo et al.)
205 DOC Docobo, J.A., Andrade, M., Ling, J.F., Prieto, C., Tamazian, V.S., Balega, Yu.Yu.,
205 DOC Blanco, J., Maximov, A.F., et al.
266 DOC Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
266 DOC Lahulla, J.F., & Maximov, A.
271 DOC Docobo, J.A., Tamazian, V.S., Balega, Y.Y., Andrade, M., Schertl, D., Weigelt, G.,
271 DOC Campo, P., & Palacios, M.
302 DOC Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
302 DOC Lahulla, J.F., & Maximov, A.
302 DOC Highlights of Spanish Astrophysics V, Ap&SS Proc. (Springer-Verlag, Berlin),
302 DOC p 491, 2010 (no data)
633 GRF Griffin, R.F., Griffin, R.E.M., Snyder, L.F., Schroder, K.-P., Pray, D.,
633 GRF Ohshima, O., Tokoro, T., Clark, W.E., Williams, D.B., Houchen, M.B., Arai, K.,
633 GRF Krisciunas, K. & Watson, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01108+6747 HDS 155 2007 11 184 0.1 7.22 7.68 G0 D 011050.36+674648.1
01108+6747 HDS 155 2008 20 199 0.1 7.22 7.68 G0IV G0IV D 011050.36+674648.1
01108+6747 HDS 155 2009 21 243 0.0 7.22 7.68 G0IV G0IV D 011050.36+674648.1
01108+6747 HDS 155 2012 22 165 0.1 7.22 7.68 G0IV G0IV NOD 011050.36+674648.1
01108+6747 HDS 155 2013 26 174 0.1 7.22 7.68 G0IV+G0IV NO 011050.74+674648.2

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

 
 
WDS 01108+6747 HDS 155 (HD 6840) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01108+6747 HDS 155 (HD 6840) : MEASURES
 
 
No records found.

 
 
WDS 01108+6747 (HD 6840) : VIRTUAL EYEPIECE
 
 

01108+6747 HDS 155A mag 7.22 Sp G0IV 01108+6747 HDS 155B sep 0.1 P.A. 177.70 mag 7.68 Sp G0IV virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01108+6747 (HD 6840) : ALADIN DSS IMAGE @ 01h 10m 50.74s +67° 46' 48.2"
 
 
 
 
WDS 01108+6747 HDS 155 (HD 6840) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01108+6747 HDS 155 distance=0' 01083+6729 HU 1021AB distance=24' 01083+6729 HU 1021AC distance=24' 01172+6810 HJ 1075 distance=43' 01189+6756 TDS1839 distance=47' 01066+6833 HDS 142 distance=52' 01149+6658 LDS3247 distance=55' 01151+6656 LDS3249 distance=57' 01207+6752 MLR 294 distance=57' 01107+6847 H 4 16 distance=60' 01167+6841 HU 1025AB distance=63' 00599+6732 TDS1709 distance=65' 01003+6717 HJ 1061 distance=68' 01180+6844 LDS3259 distance=70' 01023+6838 TDS1736 distance=70' 00587+6726 HU 1019 distance=73' 00581+6742 BLL 2AB distance=73' 00581+6742 AG 431AC distance=73' 01237+6806 SKF 978AB distance=76' 01237+6806 SKF 978AC distance=76' 01237+6806 SKF 978AD distance=76' 01198+6856 MLR 293 distance=86' 01259+6808 BU 1101AB distance=88' 01259+6808 H 5 83AC distance=88' 01259+6808 BU 1101AD distance=88' 01259+6808 STF 117CD distance=88' 00568+6828 MLR 290 distance=89' 01256+6830 TDS1874 distance=94' 01274+6751 LDS3281 distance=94' 01269+6814 LDS3280 distance=94' 01030+6914 LAF 24AB distance=98' 01030+6914 LAF 24AC distance=98' 01030+6914 LAF 24AD distance=98' 01030+6914 LAF 24AE distance=98' 01030+6914 LAF 24AF distance=98' 01030+6914 LAF 24AG distance=98' 01030+6914 LAF 24AH distance=98' 01030+6914 LAF 24AI distance=98' 01030+6914 LAF 24AJ distance=98' 01030+6914 LAF 24AK distance=98' 01030+6914 LAF 24AL distance=98' 01030+6914 LAF 24AM distance=98' 01030+6914 LAF 24AN distance=98' 01030+6914 LAF 24AO distance=98' 01030+6914 LAF 24AP distance=98' 01030+6914 LAF 24AQ distance=98' 01030+6914 LAF 24AR distance=98' 01280+6733 HU 1028 distance=99' 00548+6831 KPP2614 distance=101' 00561+6653 SKF2560 distance=101' 01162+6608 HDS 168 distance=104' 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 01108+6747 HDS 155 174 0.1 0
Show 01083+6729 HU 1021 AB 304 3.3 24
Show 01083+6729 HU 1021 AC 198 37.8 24
Show 01172+6810 HJ 1075 104 7.8 43
Show 01189+6756 TDS1839 115 0.5 47
Show 01066+6833 HDS 142 23 0.4 52
Show 01149+6658 LDS3247 317 210.7 55
Show 01151+6656 LDS3249 85 23.5 57
Show 01207+6752 MLR 294 276 0.2 57
Show 01107+6847 H 4 16 -1 25.0 60
Show 01167+6841 HU 1025 AB 198 2.8 63
Show 00599+6732 TDS1709 35 0.6 65
Show 01003+6717 HJ 1061 103 13.1 68
Show 01180+6844 LDS3259 256 16.2 70
Show 01023+6838 TDS1736 175 1.2 70
Show 00587+6726 HU 1019 190 1.0 73
Show 00581+6742 BLL 2 AB 226 68.4 73
Show 00581+6742 AG 431 AC 342 159.1 73
Show 01237+6806 SKF 978 AB 254 17.2 76
Show 01237+6806 SKF 978 AC 256 8.9 76
Show 01237+6806 SKF 978 AD 251 24.5 76
Show 01198+6856 MLR 293 37 0.2 86
Show 01259+6808 BU 1101 AB 38 2.4 88
Show 01259+6808 H 5 83 AC 128 20.3 88
Show 01259+6808 BU 1101 AD 131 19.1 88
Show 01259+6808 STF 117 CD 253 2.9 88
Show 00568+6828 MLR 290 356 0.1 89
Show 01256+6830 TDS1874 316 0.4 94
Show 01274+6751 LDS3281 88 27.1 94
Show 01269+6814 LDS3280 49 31.7 94
Show 01030+6914 LAF 24 AB 119 3.0 98
Show 01030+6914 LAF 24 AC 72 4.8 98
Show 01030+6914 LAF 24 AD 269 5.7 98
Show 01030+6914 LAF 24 AE 74 7.0 98
Show 01030+6914 LAF 24 AF 281 9.1 98
Show 01030+6914 LAF 24 AG 228 9.2 98
Show 01030+6914 LAF 24 AH 121 9.5 98
Show 01030+6914 LAF 24 AI 205 9.6 98
Show 01030+6914 LAF 24 AJ 356 9.9 98
Show 01030+6914 LAF 24 AK 222 10.3 98
Show 01030+6914 LAF 24 AL 320 10.5 98
Show 01030+6914 LAF 24 AM 297 10.6 98
Show 01030+6914 LAF 24 AN 219 11.2 98
Show 01030+6914 LAF 24 AO 216 13.1 98
Show 01030+6914 LAF 24 AP 141 14.1 98
Show 01030+6914 LAF 24 AQ 315 14.6 98
Show 01030+6914 LAF 24 AR 138 15.1 98
Show 01280+6733 HU 1028 264 0.6 99
Show 00548+6831 KPP2614 122 24.0 101
Show 00561+6653 SKF2560 287 13.9 101
Show 01162+6608 HDS 168 41 0.4 104

 
 
WDS 01108+6747 : COMPONENTS
 
 
  A
B pa=177.7°
sep=0.13"
 
 
01108+6747 A
 
 
Name HD 6840 Coord arcsec 2000 011050.74+674648.2 Mag 7.22 Spectral class G0IV (yellow)
PmRA 250.00 PmDE 24.0 SAO 11614 HIP 5531
Tycho2 4296-01443-1 HD 6840 GC 1409 BD BD+67 98
Tycho2
Tycho2 4296-01443-1 Pflag RAmdeg 17.71142520 DEmdeg 67.78009857
PmRA 247.6 PmDE 24.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.29 EpDEm 1991.42
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.1 BTmag 7.215 E BTmag 0.015 VTmag 6.619
E VTmag 0.010 Prox 999 TYC T HIP 5531
CCDM AB RAdeg 17.70989417 DEdeg 67.78004139 EpRA 1990 1.58
EpDE 1990 1.65 E RAdeg 3.8 E DEdeg 3.7 Posflg P
Corr 0.2
SAO
SAO 11614 DelFlag RA1950 PmRA1950 0.0424
DE1950 PmDE1950 0.039 Vmag 6.6 SpType G0
Double code Source 70 CatNum 1409 DM BD+67 98
DMcomp BDsup HD 6840 M HD 0
GC 1409 RA1950rad 0.29427145 DE1950rad 1.17834549 PmRA2000 0.0427
PmDE2000 0.032
Hipparcos
Catalog H HIP 5531 Proxy H RAhms 01 10 50.36
DEdms +67 46 48.1 Vmag 6.55 VarFlag R Vmag H
RAdeg 17.7098 DEdeg 67.78 AstroRef * Plx 17.41
CCDM 01108+6747 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 165 Rho 0.136 HD 6840 BD BD+67 98
CD CP Dm number +67 98 VIred 0.63
SpType G0 R SpType Coord arcsec 2000 011050.36+674648.1
Hipparcos 2
HIP 5531 Sn 55 So 3 Nc 2
RArad 0.3090948446 DErad 1.1829848292 Plx 18.3 PmRA 249.31
PmDE 23.93 E RArad 0.37 E DErad 0.44 E Plx 0.53
E pmRA 0.46 E pmDE 0.57 Hpmag 6.6736 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.553 E BV 0.005
VI 0.63
CCDM
Ccdm 01108+6747 RComp Comp A Note1
Note2 Discov num DRAs 2.74 DDEs -11.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.2 Sp G0 PmNote *
PmRA 250 PmDE 24 Dm number +67 98 Cat1 BD
Name2 +67 63 Cat2 AGK2/3 HD 6840 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 5531
 
 
01108+6747 B
 
 
Coord arcsec 2000 011050.74+674648.1 Mag 7.68 Spectral class G0IV (yellow) Calc delta mag 0.46
Calc coord yes
CCDM
Ccdm 01108+6747 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.75 DDEs -11.8
R dRAs 82 Year 1991 Theta 165 Rho 0.1
Obs 1 Vmag 7.7 Sp PmNote *
PmRA 250 PmDE 24 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 5531