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Doubles in session


Current system
08327+2026
ZHN 3
Eta Cnc


Nearby doubles
10' : 08334+2023
HDS1223

18' : 08330+2043
RAO 127

21' : 08338+2013
CVR 80

30' : 08327+1957
RAO 125

36' : 08309+2004
LDS1214

52' : 08360+2050
BOV 29

52' : 08320+1936
TDS5911

53' : 08321+1934
OCC 635

56' : 08366+2017
SLW 270

61' : 08317+1928
OCC9001

63' : 08366+1955
SLW 269AB

63' : 08356+1937
BAR 34

64' : 08372+2017
BOV 31

65' : 08317+1924
LDS 905AB

74' : 08363+1933
BOV 30

75' : 08365+2119
DBR 281

77' : 08381+2023
SLE 330

81' : 08381+1959
BOV 34

82' : 08377+1946
STF1249

83' : 08310+2145
TDS5889

83' : 08384+2006
BOV 36

86' : 08381+2107
SKF 699

89' : 08283+2130
STJ 34

90' : 08377+1931
HJ 454AB

92' : 08391+2045
SLE 331

92' : 08368+1915
KPP 768



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08327+2026 ZHN 3 (Eta Cnc)

 
 
08h 32m 42.50s +20° 26' 27.7" P.A. 280.00 sep 164.2 mag 5.33,20.00 Sp K3III+L3 dist. 91.49 pc (298.44 l.y.)
 
 
Coord 2000 08327+2026 Discov num ZHN   3 Comp Coord arcsec 2000 08 32 42.50 +20 26 27.7
Date first 2004 Date last 2004 Obs 1
Pa first 280 Pa last 280 P.A. Now (θ) 280°
Sep first 164.2 Sep last 164.16 Sep. Now (ρ) 164.16"
Mag pri 5.33 Mag sec 20.00 delta mag (ΔM) 14.67 Spectral class K3III+L3 (yellow-orange/very deep red)
Pri motion ra -046 Sec motion ra -047
Pri motion dec -044 Sec motion dec -039
Notes N (See Notes)
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Eta Cnc Constellation Cancer SAO 80243 HIP 41909
Tycho2 1398-03161-1 Gaia DR2 663132440719945728 HD 72292 HR 3366
GC 11687 BD BD+20 2109 Bayer Eta Cancri Bayer name Eta Cnc
Flamsteed 33 Cancri Flamsteed name 33 Cnc FK5 321 Distance 91.49
Distance ly 298.44 Bayer greek η Cnc
 
 
WDS 08327+2026 ZHN 3 (Eta Cnc) : NOTES
 
 
discov_num notes refcode
ZHN 3 Primary is eta Cas. First known wide pair comprised of an L dwarf and
a giant. Zhn2010
 
 
REFERENCES
 
 
refcode metd author reference
Zhn2010 Es j Zhang, Z.H., Pinfield, D.J., Day-Jones, A.C., Burningham, B., Jones, H.R.A., 2010MNRAS.404.1817Z
Zhn2010 +E2 Yu, S., Jenkins, J.S., Han, Z., et al.
Zhn2010 +Ek MNRAS 404, 1817, 2010
Zhn2010 (Paper gives no dates or position angles. Coarse date of 2007 assigned to all
Zhn2010 UKIDSS photometry. Approximate theta value for eta Cnc determined from Aladin
Zhn2010 image; match against 2MASS Catalog generated new rho and theta values)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08327+2026 ZHN 3 2004 1 280 164.2 5.33 20.00 K3III L3. N 083242.50+202627.7

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

 
 
WDS 08327+2026 ZHN 3 (Eta Cnc) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08327+2026 ZHN 3 (Eta Cnc) : MEASURES
 
 
No records found.

 
 
WDS 08327+2026 (Eta Cnc) : VIRTUAL EYEPIECE
 
 

08327+2026 ZHN 3A mag 5.33 Sp K3III 08327+2026 ZHN 3B sep 154.1 P.A. 280.70 mag 20 Sp L3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08327+2026 (Eta Cnc) : ALADIN DSS IMAGE @ 08h 32m 42.50s +20° 26' 27.7"
 
 
 
 
WDS 08327+2026 ZHN 3 (Eta Cnc) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08327+2026 ZHN 3 distance=0' 08334+2023 HDS1223 distance=10' 08330+2043 RAO 127 distance=18' 08338+2013 CVR 80 distance=21' 08327+1957 RAO 125 distance=30' 08309+2004 LDS1214 distance=36' 08360+2050 BOV 29 distance=52' 08320+1936 TDS5911 distance=52' 08321+1934 OCC 635 distance=53' 08366+2017 SLW 270 distance=56' 08317+1928 OCC9001 distance=61' 08366+1955 SLW 268BC distance=62' 08366+1955 SLW 269AB distance=63' 08356+1937 BAR 34 distance=63' 08372+2017 BOV 31 distance=64' 08317+1924 DEL 1Ba,Bb distance=65' 08317+1924 BEU 12Aa,Ab distance=65' 08317+1924 LDS 905AB distance=65' 08317+1924 LMP 40AC distance=65' 08363+1933 BOV 30 distance=74' 08365+2119 DBR 281 distance=75' 08381+2023 SLE 330 distance=77' 08381+1959 BOV 34 distance=81' 08377+1946 STF1249 distance=82' 08310+2145 TDS5889 distance=83' 08384+2006 BOV 36 distance=83' 08381+2107 SKF 699 distance=86' 08283+2130 STJ 34 distance=89' 08377+1931 HJ 454AB distance=90' 08391+2045 SLE 331 distance=92' 08368+1915 KPP 768 distance=92' 08393+2013 BOV 38 distance=94' 08319+1854 CVR1150 distance=94' 08391+2000 OCC 637 distance=94' 08323+2200 MRA 10 distance=95' 08276+2128 HJ 448 distance=95' 08375+2135 SKF 696 distance=96' 08369+1905 SKF 694 distance=101' 08370+1905 RAO 126 distance=101' 08397+2005 COU 47 distance=101' 08399+2032 TDS 484 distance=102' 08391+1941 S 570AB distance=102' 08391+1941 S 570AC distance=102' 08382+1922 BOV 35 distance=102' 08400+2009 ARN 105AB distance=104' 08401+2023 SLE 334 distance=105' 08385+2133 BOV 37 distance=105' 08375+1906 BOV 32 distance=106' 08401+2000 PAT 44Ca,Cb distance=106' 08401+2000 SLE 335CS distance=106' 08258+2109 TVB 191 distance=107' 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 08327+2026 ZHN 3 280 164.2
Show 08334+2023 HDS1223 158 0.4 10
Show 08330+2043 RAO 127 296 0.3 18
Show 08338+2013 CVR 80 6 85.1 21
Show 08327+1957 RAO 125 267 1.4 30
Show 08309+2004 LDS1214 331 2.5 36
Show 08360+2050 BOV 29 151 1.3 52
Show 08320+1936 TDS5911 143 0.5 52
Show 08321+1934 OCC 635 -1 0.1 53
Show 08366+2017 SLW 270 84 88.7 56
Show 08317+1928 OCC9001 297 0.2 61
Show 08366+1955 SLW 268 BC 244 178.5 62
Show 08366+1955 SLW 269 AB 296 45.1 63
Show 08356+1937 BAR 34 163 4.6 63
Show 08372+2017 BOV 31 234 3.4 64
Show 08317+1924 DEL 1 Ba,Bb 176 0.9 65
Show 08317+1924 BEU 12 Aa,Ab 223 0.3 65
Show 08317+1924 LDS 905 AB 348 10.0 65
Show 08317+1924 LMP 40 AC 308 21.5 65
Show 08363+1933 BOV 30 16 0.1 74
Show 08365+2119 DBR 281 314 5.9 75
Show 08381+2023 SLE 330 10 16.9 77
Show 08381+1959 BOV 34 74 0.2 81
Show 08377+1946 STF1249 40 24.9 82
Show 08310+2145 TDS5889 294 0.9 83
Show 08384+2006 BOV 36 97 1.0 83
Show 08381+2107 SKF 699 152 1.0 86
Show 08283+2130 STJ 34 47 1.4 89
Show 08377+1931 HJ 454 AB 271 36.4 90
Show 08391+2045 SLE 331 181 13.6 92
Show 08368+1915 KPP 768 272 6.6 92
Show 08393+2013 BOV 38 18 0.3 94
Show 08319+1854 CVR1150 259 3.4 94
Show 08391+2000 OCC 637 -1 0.0 94
Show 08323+2200 MRA 10 150 0.1 95
Show 08276+2128 HJ 448 311 29.4 95
Show 08375+2135 SKF 696 36 1.0 96
Show 08369+1905 SKF 694 206 18.4 101
Show 08370+1905 RAO 126 129 0.7 101
Show 08397+2005 COU 47 140 0.6 101
Show 08399+2032 TDS 484 104 2.0 102
Show 08391+1941 S 570 AB 84 57.3 102
Show 08391+1941 S 570 AC 345 178.6 102
Show 08382+1922 BOV 35 27 0.2 102
Show 08400+2009 ARN 105 AB 153 91.2 104
Show 08401+2023 SLE 334 154 29.1 105
Show 08385+2133 BOV 37 172 0.2 105
Show 08375+1906 BOV 32 131 0.4 106
Show 08401+2000 PAT 44 Ca,Cb 22 0.3 106
Show 08401+2000 SLE 335 CS 340 137.1 106
Show 08258+2109 TVB 191 290 14.2 107

 
 
WDS 08327+2026 : COMPONENTS
 
 
  A
B pa=280.7°
sep=154.14"
 
 
08327+2026 A
 
 
Componente originario normalizzato AB Name Eta Cnc Coord arcsec 2000 083242.50+202627.7 Mag 5.33
Spectral class K3III (yellow-orange) PmRA -46.00 PmDE -44.0 SAO 80243
HIP 41909 Tycho2 1398-03161-1 HD 72292 HR 3366
GC 11687 BD BD+20 2109 Bayer Eta Cancri Bayer name Eta
Flamsteed 33 Cancri Flamsteed name 33 Cnc FK5 321
Tycho2
Tycho2 1398-03161-1 Pflag RAmdeg 128.17707186 DEmdeg 20.44116130
PmRA -44.3 PmDE -44.7 E RAmdeg 4 E DEmdeg 4
E pmRA 0.3 E pmDE 0.3 EpRAm 1988.78 EpDEm 1988.72
Num 32 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 6.954 E BTmag 0.015 VTmag 5.467
E VTmag 0.009 Prox 999 TYC T HIP 41909
CCDM RAdeg 128.17717917 DEdeg 20.44126778 EpRA 1990 1.86
EpDE 1990 1.44 E RAdeg 3.5 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 80243 DelFlag RA1950 PmRA1950 -0.0032
DE1950 PmDE1950 -0.048 Vmag 5.5 SpType K0
Double code Source 74 CatNum 321 DM BD+20 2109
DMcomp BDsup HD 72292 M HD 0
GC 11687 RA1950rad 2.22450633 DE1950rad 0.35975464 PmRA2000 -0.0033
PmDE2000 -0.044
Hipparcos
Catalog H HIP 41909 Proxy RAhms 08 32 42.52
DEdms +20 26 28.6 Vmag 5.33 VarFlag R Vmag H
RAdeg 128.177 DEdeg 20.4413 AstroRef Plx 10.46
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 72292 BD BD+20 2109
CD CP Dm number +20 2109 VIred 1.11
SpType K3III R SpType Coord arcsec 2000 083242.52+202628.6
Hipparcos 2
HIP 41909 Sn 5 So 0 Nc 1
RArad 2.2371139367 DErad 0.3567674756 Plx 10.93 PmRA -46.33
PmDE -44.31 E RArad 0.4 E DErad 0.21 E Plx 0.4
E pmRA 0.43 E pmDE 0.24 Hpmag 5.5011 E Hpmag 0.0011
SHp 0.007 VA 0 BV 1.252 E BV 0.002
VI 1.11
 
 
08327+2026 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 083231.72+202656.2 Mag 20 Spectral class L3 (very deep red)
PmRA -47.00 PmDE -39.0 Calc delta mag 14.67 Calc coord yes