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Doubles in session


Current system
08082+2106
COU 91 AB


Nearby doubles
22' : 08070+2053
HO 351AB

29' : 08102+2108
GRV 753

33' : 08061+2118
BRT2382

51' : 08092+2155
GAI9008AB

53' : 08045+2100
OCC 250

55' : 08052+2031
OCC 784

61' : 08040+2120
BRT2381

78' : 08115+2209
COU 278

79' : 08055+1957
SKF2375

80' : 08027+2126
SKF 535

81' : 08034+2151
COU 164

82' : 08138+2041
STJ 31

83' : 08042+2006
OCC 804

83' : 08033+2153
COU 163

84' : 08032+2022
JNN 60

89' : 08026+2028
DOO 47

92' : 08026+2003
HJ 437

92' : 08021+2033
TDS5464

96' : 08063+2238
SHN 269

96' : 08018+2141
TDS5459

97' : 08135+2004
MMA 4

97' : 08093+1931
UC 1647

100' : 08017+2027
OCC 805

101' : 08067+2245
POU2930

102' : 08147+2022
COU 45

102' : 08064+2245
POU2929



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.

08082+2106 COU 91 AB

 
 
08h 08m 13.18s +21° 06' 18.2" P.A. 144.00 sep 10.8 mag 9.62,11.20 Sp K7V+M3V dist. 16.64 pc (54.28 l.y.)
 
 
Coord 2000 08082+2106 Discov num COU  91 Comp AB Coord arcsec 2000 08 08 13.18 +21 06 18.2
Date first 1893 Date last 2020 Obs 42
Pa first 162 Pa last 143.6 P.A. Now (θ) 143.6°
Sep first 9.8 Sep last 10.75 Sep. Now (ρ) 10.75"
Mag pri 9.62 Mag sec 11.20 delta mag (ΔM) 1.58 Spectral class K7V+M3V (yellow-orange/red)
Pri motion ra -300 Sec motion ra -300
Pri motion dec -354 Sec motion dec -354
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
08082+2106 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 08 08 13 +21 06 18 COU 91 AB 2020 42 144 10.8 9.62 11.20 1.58 <===
Show 08 08 14 +21 06 09 CRC 55 Ba,Bb 2021 6 12 1.0 9.50 9.50 0.00
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer HIP 39826 Tycho2 1389-00170-1 GL NN 3481A
BD BD+21 1764 Distance 16.64 Distance ly 54.28
 
 
WDS 08082+2106 COU 91 AB : NOTES
 
 
discov_num notes refcode
COU 91 LDS 902.
NLTT 18979/18980 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
240 CRC Cortes-Contreras, M., Caballero, J.A. & Montes, D.
243 CRC Cortes-Contreras, M., Bejar, V.J.S., Caballero, J.A., Gauza, B., Montes, D.,
243 CRC Alonso-Floriano, F.J., Jeffers, S.V., Morales, J.C., Reiners, A., Ribas, I.,
243 CRC Schofer, P., Quirrenbach, A., Amado, P.J., Mundt, R. & Seifert, W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08082+2106 COU 91 AB 2016 33 145 10.6 9.62 11.20 K7V+M3V NV 080813.18+210618.2
08082+2106 COU 91 AB 2020 36 144 10.8 9.62 11.20 K7V+M3V NV 080813.18+210618.2

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

 
 
WDS 08082+2106 COU 91 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08082+2106 COU 91 AB : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/04/15 g.locatelli mean difficulty 11.00 0.19 145.00 0.67 1.60 1 Unfiltered mag A 9.2 B 10.8
 
 
WDS 08082+2106 : VIRTUAL EYEPIECE
 
 

08082+2106 COU 91A mag 9.62 Sp K7V 08082+2106 CRC 55B sep 10.5 P.A. 146.90 mag 9.5 Sp M3V 08082+2106 CRC 55Bb sep 9.8 P.A. 142.90 mag 9.5 Sp M3V 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 08082+2106 : ALADIN DSS IMAGE @ 08h 08m 13.18s +21° 06' 18.2"
 
 
 
 
WDS 08082+2106 COU 91 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08082+2106 COU 91AB distance=0' 08082+2106 CRC 55Ba,Bb distance=1' 08070+2053 HO 351AB distance=22' 08070+2053 HO 351AC distance=22' 08102+2108 GRV 753 distance=29' 08061+2118 BRT2382 distance=33' 08092+2155 GAI9008AB distance=51' 08092+2155 GAI9008AC distance=51' 08045+2100 OCC 250 distance=53' 08052+2031 OCC 784 distance=55' 08040+2120 BRT2381 distance=61' 08115+2209 COU 278 distance=78' 08055+1957 SKF2375 distance=79' 08027+2126 SKF 535 distance=80' 08034+2151 COU 164 distance=81' 08138+2041 STJ 31 distance=82' 08042+2006 OCC 804 distance=83' 08033+2153 COU 163 distance=83' 08032+2022 JNN 60 distance=84' 08026+2028 DOO 47 distance=89' 08026+2003 HJ 437 distance=92' 08021+2033 TDS5464 distance=92' 08063+2238 SHN 269 distance=96' 08018+2141 TDS5459 distance=96' 08135+2004 MMA 4 distance=97' 08093+1931 UC 1647 distance=97' 08017+2027 OCC 805 distance=100' 08067+2245 POU2930 distance=101' 08147+2022 COU 45 distance=102' 08064+2245 POU2929 distance=102' 08155+2124 COU 279 distance=104' 08149+2017 COU 46 distance=106' 08106+1923 GWP 988AB distance=109' 08106+1923 GWP 988AC distance=109' 08129+1937 SKF 593 distance=112' 08078+2259 POU2936AB distance=113' 08087+2300 POU2939 distance=114' 08154+2014 OCC 782 distance=114' 08085+2300 SKF 575 distance=114' 08011+2201 COU 931 distance=114' 08017+2217 SKF1704 distance=115' 08048+1920 CBL 241 distance=117' 08043+2251 SKF2830BC distance=118' 08043+2251 UC 1642AB distance=118' 08043+2251 SKF2830AC distance=118' 08005+2154 DVG 22 distance=118' 08141+1941 OCC 799 distance=119' 08114+1916 COU 586 distance=119' 08047+1917 SKF 764 distance=120' 08017+2227 TDS5456 distance=123' 08008+2213 SKF 525 distance=123' 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 08082+2106 COU 91 AB 144 10.8
Show 08082+2106 CRC 55 Ba,Bb 12 1.0 1
Show 08070+2053 HO 351 AB 239 2.3 22
Show 08070+2053 HO 351 AC 59 44.7 22
Show 08102+2108 GRV 753 165 36.4 29
Show 08061+2118 BRT2382 303 4.2 33
Show 08092+2155 GAI9008 AB 261 1.8 51
Show 08092+2155 GAI9008 AC 339 14.1 51
Show 08045+2100 OCC 250 -1 0.1 53
Show 08052+2031 OCC 784 -1 0.1 55
Show 08040+2120 BRT2381 274 3.1 61
Show 08115+2209 COU 278 133 1.8 78
Show 08055+1957 SKF2375 107 4.9 79
Show 08027+2126 SKF 535 25 1.6 80
Show 08034+2151 COU 164 41 0.2 81
Show 08138+2041 STJ 31 259 1.5 82
Show 08042+2006 OCC 804 -1 0.1 83
Show 08033+2153 COU 163 227 0.5 83
Show 08032+2022 JNN 60 18 0.2 84
Show 08026+2028 DOO 47 121 23.3 89
Show 08026+2003 HJ 437 94 11.7 92
Show 08021+2033 TDS5464 318 2.7 92
Show 08063+2238 SHN 269 -1 0.4 96
Show 08018+2141 TDS5459 140 0.5 96
Show 08135+2004 MMA 4 309 22.5 97
Show 08093+1931 UC 1647 300 8.3 97
Show 08017+2027 OCC 805 -1 0.1 100
Show 08067+2245 POU2930 179 8.2 101
Show 08147+2022 COU 45 84 0.9 102
Show 08064+2245 POU2929 318 11.1 102
Show 08155+2124 COU 279 115 0.2 104
Show 08149+2017 COU 46 149 1.7 106
Show 08106+1923 GWP 988 AB 50 4.5 109
Show 08106+1923 GWP 988 AC 166 78.3 109
Show 08129+1937 SKF 593 181 0.8 112
Show 08078+2259 POU2936 AB 15 11.8 113
Show 08087+2300 POU2939 353 3.4 114
Show 08154+2014 OCC 782 -1 0.1 114
Show 08085+2300 SKF 575 79 1.6 114
Show 08011+2201 COU 931 266 3.9 114
Show 08017+2217 SKF1704 253 1.1 115
Show 08048+1920 CBL 241 301 39.2 117
Show 08043+2251 SKF2830 BC 317 11.4 118
Show 08043+2251 UC 1642 AB 178 17.7 118
Show 08043+2251 SKF2830 AC 217 11.9 118
Show 08005+2154 DVG 22 280 26.9 118
Show 08141+1941 OCC 799 -1 0.1 119
Show 08114+1916 COU 586 317 4.3 119
Show 08047+1917 SKF 764 83 0.8 120
Show 08017+2227 TDS5456 121 0.5 123
Show 08008+2213 SKF 525 163 1.0 123

 
 
WDS 08082+2106 : COMPONENTS
 
 
  A B
B pa=146.9°
sep=10.51"
 
Bb pa=142.9°
sep=9.84"
pa=11.6°
sep=0.97"
 
 
08082+2106 A
 
 
Coord arcsec 2000 080813.18+210618.2 Mag 9.62 Spectral class K7V (yellow-orange) PmRA -300.00
PmDE -354.0 HIP 39826 Tycho2 1389-00170-1 BD BD+21 1764
Tycho2
Tycho2 1389-00170-1 Pflag RAmdeg 122.05493366 DEmdeg 21.10506354
PmRA -299.2 PmDE -354.1 E RAmdeg 24 E DEmdeg 26
E pmRA 1.2 E pmDE 1.2 EpRAm 1986.65 EpDEm 1985.83
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 11.156 E BTmag 0.070 VTmag 9.621
E VTmag 0.031 Prox 106 TYC T HIP 39826
CCDM A RAdeg 122.05566528 DEdeg 21.10588000 EpRA 1990 1.80
EpDE 1990 1.69 E RAdeg 24.9 E DEdeg 26.9 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 39826 Proxy RAhms 08 08 13.37
DEdms +21 06 21.4 Vmag 9.41 VarFlag R Vmag H
RAdeg 122.056 DEdeg 21.1059 AstroRef A Plx 58.42
CCDM 08082+2106 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 148 Rho 10.642 HD BD BD+21 1764
CD CP Dm number +21 1764 VIred 1.55
SpType M: R SpType Coord arcsec 2000 080813.37+210621.4
Hipparcos 2
HIP 39826 Sn 15 So 3 Nc 2
RArad 2.1302741432 DErad 0.3683679505 Plx 60.09 PmRA -298.51
PmDE -352.69 E RArad 1.55 E DErad 1.15 E Plx 1.94
E pmRA 1.88 E pmDE 1.46 Hpmag 9.5185 E Hpmag 0.0119
SHp 0.024 VA 0 BV 1.34 E BV 0.042
VI 1.55
CCDM
Ccdm 08082+2106 RComp Comp A Note1
Note2 Discov num DRAs 1.21 DDEs 17.0
R dRAs 63 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote
PmRA -288 PmDE -360 Dm number +21 1764 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08024N2124A
HIC 39826
 
 
08082+2106 B
 
 
Coord arcsec 2000 080813.59+210609.4 Coord calc 080813.61+210609.5 Mag 9.5 Mag composta 11.2
Spectral class M3V (red) PmRA -300.00 PmDE -354.0 Calc delta mag 0.12
 
 
08082+2106 Bb
 
 
Coord arcsec 2000 080813.60+210610.3 Mag 9.5 Spectral class M3V (red) Calc delta mag 0.12
Calc coord yes