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Current system
12161+4040
STF 1622
2 CVn


Nearby doubles
18' : 12163+4057
LDS4198AB

33' : 12154+4008
A 1999AB

40' : 12174+4116
HJ 2606

43' : 12195+4056
SKF2703

62' : 12209+4109
CVR 652

63' : 12136+3944
SKF1737

65' : 12167+3936
STF1624AB

65' : 12131+3945
SKF2588

69' : 12112+4121
ES 1248

70' : 12165+4149
HJ 1215

71' : 12140+4146
LDS4195

73' : 12125+3940
HDS1727

75' : 12162+4154
ES 124

77' : 12108+3953
STF1606

87' : 12151+3915
LDS4196

94' : 12091+4128
SKF2700

103' : 12136+3902
LDS4194

104' : 12247+4116
SKF2705

107' : 12170+4226
KPP2013

112' : 12098+3915
SHN 149

116' : 12083+4153
CBL 592

116' : 12234+3920
FMR 105

119' : 12110+3857
SKF2586

121' : 12120+3850
LDS4188

124' : 12119+3846
STF1610

127' : 12062+4139
SKF2699



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

12161+4040 STF 1622 (2 CVn)

 
 
12h 16m 07.55s +40° 39' 36.6" P.A. 260.00 sep 11.6 mag 5.86,8.71 Sp M1III+F7V dist. 429.18 pc (1399.99 l.y.)
 
 
Coord 2000 12161+4040 Discov num STF1622 Comp Coord arcsec 2000 12 16 07.55 +40 39 36.6
Date first 1782 Date last 2017 Obs 82
Pa first 259 Pa last 259.6 P.A. Now (θ) 259.6°
Sep first 12.2 Sep last 11.57 Sep. Now (ρ) 11.57"
Mag pri 5.86 Mag sec 8.71 delta mag (ΔM) 2.85 Spectral class M1III+F7V (red/yellow-white)
Pri motion ra +017 Sec motion ra +023
Pri motion dec -031 Sec motion dec -013
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=0.537
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 2 CVn Constellation Canes Venatici SAO 44097 HIP 59827
Tycho2 3017-02100-1 Gaia DR2 1536314925675920512 HD 106690 HR 4666
GC 16750 ADS 8489 BD BD+41 2284 Flamsteed 2 Canum Venaticorum
Flamsteed name 2 CVn FK5 458 Distance 429.18 Distance ly 1399.99
 
 
WDS 12161+4040 STF 1622 (2 CVn) : NOTES
 
 
discov_num notes refcode
STF1622 2 CVn. A is a spectroscopic binary.
H 3 85. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12161+4040 STF1622 2008 71 260 11.4 5.86 8.71 M1III+F7V NYD 121607.55+403936.6
12161+4040 STF1622 2010 74 260 11.5 5.86 8.71 M1III F7V NYD 121607.55+403936.6
12161+4040 STF1622 2011 75 257 11.9 5.86 8.71 M1III F7V NYD 121607.55+403936.6
12161+4040 STF1622 2013 77 259 11.6 5.86 8.71 M1III+F7V NY 121607.55+403936.6
12161+4040 STF1622 2014 79 260 12.1 5.86 8.71 M1III+F7V NY 121607.55+403936.6
12161+4040 STF1622 2017 80 260 11.6 5.86 8.71 M1III+F7V NY 121607.55+403936.6

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

 
 
WDS 12161+4040 STF 1622 (2 CVn) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12161+4040 STF 1622 (2 CVn) : MEASURES
 
 
No records found.

 
 
WDS 12161+4040 (2 CVn) : VIRTUAL EYEPIECE
 
 

12161+4040 STF1622A mag 5.86 Sp M1III 12161+4040 STF1622B sep 8.9 P.A. 256.40 mag 8.71 Sp F7V 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 12161+4040 (2 CVn) : ALADIN DSS IMAGE @ 12h 16m 07.55s +40° 39' 36.6"
 
 
 
 
WDS 12161+4040 STF 1622 (2 CVn) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12161+4040 STF1622 distance=0' 12163+4057 LDS4198AB distance=18' 12163+4057 FMR 103BC distance=19' 12154+4008 A 1999AB distance=33' 12174+4116 HJ 2606 distance=40' 12195+4056 SKF2703 distance=43' 12209+4109 CVR 652 distance=62' 12136+3944 SKF1737 distance=63' 12167+3936 STF1624AB distance=65' 12167+3936 WAL 62AC distance=65' 12131+3945 SKF2588 distance=65' 12112+4121 ES 1248 distance=69' 12165+4149 HJ 1215 distance=70' 12140+4146 LDS4195 distance=71' 12125+3940 HDS1727 distance=73' 12162+4154 ES 124 distance=75' 12108+3953 STF1606 distance=77' 12151+3915 LDS4196 distance=87' 12091+4128 SKF2700 distance=94' 12136+3902 LDS4194 distance=103' 12247+4116 SKF2705 distance=104' 12170+4226 KPP2013 distance=107' 12098+3915 SHN 149 distance=112' 12083+4153 CBL 592 distance=116' 12234+3920 FMR 105 distance=116' 12110+3857 SKF2586 distance=119' 12120+3850 LDS4188 distance=121' 12119+3846 STF1610 distance=124' 12062+4139 SKF2699 distance=127' 12054+3951 SLW 681 distance=132' 12069+3921 SLW 684 distance=133' 12074+3913 BAR 40 distance=133' 12048+3958 LDS4176 distance=136' 12051+4134 HDS1703 distance=136' 12249+4214 RAO 278 distance=137' 12054+4154 CVR1405 distance=143' 12095+3838 MET 8 distance=144' 12035+4054 SKF2642 distance=145' 12148+4307 UC 2302 distance=149' 12035+4124 BU 1323AB distance=150' 12035+4124 STF1594AC distance=150' 12035+4124 STF1594AD distance=150' 12292+4108 SLW 729 distance=151' 12080+4242 A 1998 distance=153' 12026+4117 HDS1692 distance=158' 12265+3858 LDS4208 distance=159' 12061+3850 STF1601 distance=160' 12142+3802 KPP2233 distance=160' 12290+4144 BWL 31AB distance=160' 12290+4144 BWL 31AC distance=160' 12290+4144 BWL 31AD distance=160' 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 12161+4040 STF1622 260 11.6
Show 12163+4057 LDS4198 AB 76 244.8 18
Show 12163+4057 FMR 103 BC 166 29.4 19
Show 12154+4008 A 1999 AB 143 0.1 33
Show 12174+4116 HJ 2606 161 13.3 40
Show 12195+4056 SKF2703 166 47.1 43
Show 12209+4109 CVR 652 49 22.6 62
Show 12136+3944 SKF1737 45 1.5 63
Show 12167+3936 STF1624 AB 153 5.9 65
Show 12167+3936 WAL 62 AC 143 161.9 65
Show 12131+3945 SKF2588 218 10.0 65
Show 12112+4121 ES 1248 76 1.9 69
Show 12165+4149 HJ 1215 13 25.6 70
Show 12140+4146 LDS4195 27 9.4 71
Show 12125+3940 HDS1727 334 0.5 73
Show 12162+4154 ES 124 118 7.7 75
Show 12108+3953 STF1606 143 0.7 77
Show 12151+3915 LDS4196 49 32.5 87
Show 12091+4128 SKF2700 80 11.6 94
Show 12136+3902 LDS4194 250 15.0 103
Show 12247+4116 SKF2705 234 11.2 104
Show 12170+4226 KPP2013 162 16.0 107
Show 12098+3915 SHN 149 -1 0.1 112
Show 12083+4153 CBL 592 66 12.0 116
Show 12234+3920 FMR 105 293 9.1 116
Show 12110+3857 SKF2586 165 89.0 119
Show 12120+3850 LDS4188 9 18.5 121
Show 12119+3846 STF1610 331 29.6 124
Show 12062+4139 SKF2699 357 17.3 127
Show 12054+3951 SLW 681 228 14.9 132
Show 12069+3921 SLW 684 20 8.3 133
Show 12074+3913 BAR 40 130 1.4 133
Show 12048+3958 LDS4176 198 233.3 136
Show 12051+4134 HDS1703 325 0.4 136
Show 12249+4214 RAO 278 188 1.8 137
Show 12054+4154 CVR1405 88 3.7 143
Show 12095+3838 MET 8 353 9.6 144
Show 12035+4054 SKF2642 205 53.2 145
Show 12148+4307 UC 2302 210 65.6 149
Show 12035+4124 BU 1323 AB 322 2.1 150
Show 12035+4124 STF1594 AC 142 11.0 150
Show 12035+4124 STF1594 AD 71 27.2 150
Show 12292+4108 SLW 729 99 16.4 151
Show 12080+4242 A 1998 349 0.3 153
Show 12026+4117 HDS1692 211 0.1 158
Show 12265+3858 LDS4208 75 19.3 159
Show 12061+3850 STF1601 298 2.0 160
Show 12142+3802 KPP2233 8 18.5 160
Show 12290+4144 BWL 31 AB 256 0.1 160
Show 12290+4144 BWL 31 AC 105 9.8 160
Show 12290+4144 BWL 31 AD 46 1.8 160

 
 
WDS 12161+4040 : COMPONENTS
 
 
  A
B pa=256.4°
sep=8.88"
 
 
12161+4040 A
 
 
Componente originario normalizzato AB Name 2 CVn Coord arcsec 2000 121607.55+403936.6 Mag 5.86
Spectral class M1III (red) PmRA 17.00 PmDE -31.0 SAO 44097
HIP 59831 Tycho2 3017-02100-1 HD 106690 HR 4666
GC 16750 BD BD+41 2284 Flamsteed 2 Canum Venaticorum Flamsteed name 2 CVn
FK5 458
Tycho2
Tycho2 3017-02100-1 Pflag RAmdeg 184.03145613 DEmdeg 40.66018010
PmRA 17.2 PmDE -31.4 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.8 EpRAm 1991.01 EpDEm 1991.42
Num 17 Q RAmdeg 1.5 Q DEmdeg 2.0 Q pmRA 1.4
Q pmDE 1.9 BTmag 7.773 E BTmag 0.015 VTmag 5.858
E VTmag 0.009 Prox 116 TYC T HIP 59831
CCDM A RAdeg 184.03140306 DEdeg 40.66025139 EpRA 1990 1.52
EpDE 1990 1.82 E RAdeg 3.7 E DEdeg 3.5 Posflg
Corr 0.2
SAO
SAO 44097 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.037 Vmag 5.9 SpType K5
Double code Source 74 CatNum 458 DM BD+41 2284
DMcomp BDsup HD 106690 M HD 0
GC 16750 RA1950rad 3.2010403 DE1950rad 0.7145091 PmRA2000 0.0015
PmDE2000 -0.032
Hipparcos
Catalog H HIP 59831 Proxy RAhms 12 16 07.54
DEdms +40 39 36.9 Vmag 5.69 VarFlag R Vmag G
RAdeg 184.031 DEdeg 40.6603 AstroRef A Plx 3.91
CCDM 12161+4040 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 106690 BD BD+41 2284
CD CP Dm number +41 2284 VIred 2.22
SpType M1III R SpType Coord arcsec 2000 121607.54+403936.9
Hipparcos 2
HIP 59831 Sn 95 So 3 Nc 1
RArad 3.2119538874 DErad 0.7096553841 Plx 4.23 PmRA 16.81
PmDE -31.29 E RArad 0.34 E DErad 0.38 E Plx 0.61
E pmRA 0.39 E pmDE 0.42 Hpmag 5.7722 E Hpmag 0.0035
SHp 0.016 VA 0 BV 1.586 E BV 0.005
VI 1.87
CCDM
Ccdm 12161+4040 RComp Comp A Note1
Note2 Discov num DRAs 1.56 DDEs -23.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.9 Sp K5 PmNote *
PmRA 19 PmDE -34 Dm number +41 2284 Cat1 BD
Name2 +40 1248 Cat2 AGK2/3 HD 106690 M HD
ADS BDS A 8489 M ADS BDS N IDS IDS 12111N4113A
HIC 59831
 
 
12161+4040 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121606.79+403934.5 Mag 8.71 Spectral class F7V (yellow-white)
PmRA 23.00 PmDE -13.0 HIP 59827 Calc delta mag 2.85
Calc coord yes
Hipparcos
Catalog H HIP 59827 Proxy RAhms 12 16 06.54
DEdms +40 39 34.8 Vmag 8.64 VarFlag R Vmag H
RAdeg 184.027 DEdeg 40.6597 AstroRef B Plx 21.41
CCDM 12161+4040 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.65
SpType F8 R SpType Coord arcsec 2000 121606.54+403934.8
Hipparcos 2
HIP 59827 Sn 95 So 3 Nc 1
RArad 3.2118812632 DErad 0.7096450923 Plx 2.33 PmRA 16.96
PmDE -31.68 E RArad 0.5 E DErad 0.55 E Plx 0.88
E pmRA 0.58 E pmDE 0.64 Hpmag 8.7929 E Hpmag 0.0497
SHp 0 VA 0 BV 0.624 E BV 0.018
VI 0.69
CCDM
Ccdm 12161+4040 RComp Comp B Note1
Note2 Discov num STF1622 DRAs 0.56 DDEs -25.4
R dRAs 91 Year 1832 Theta 260 Rho 11.4
Obs 20 Vmag 8.2 Sp PmNote *
PmRA 19 PmDE -34 Dm number Cat1
Name2 +40 1247 Cat2 AGK2/3 HD M HD
ADS BDS A 8489 M ADS BDS N IDS IDS 12111N4113B
HIC 59827