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Doubles in session


Current system
12560+3819
STF 1692 AB
Cor Caroli


Nearby doubles
27' : 12581+3810
GRV 859

30' : 12585+3817
STF1702AB

36' : 12536+3758
STF1688AB

40' : 12562+3740
LDS4298

43' : 12526+3830
SLW 789

48' : 12523+3836
NI 30AB

52' : 12521+3755
SLW 786

60' : 13010+3810
UC 2453

63' : 13004+3856
COU1131

70' : 13012+3852
HU 1142

72' : 12504+3847
HU 1139

84' : 12512+3921
SKF2655

88' : 12567+3652
TOK 285

92' : 12576+3650
WRS 3

93' : 13011+3709
TDS8644

96' : 13039+3758
UC 2463

98' : 13042+3805
KZA 37

98' : 12568+3956
CVR1479

98' : 12528+3949
ES 1405AB

104' : 12473+3811
SKF2596

109' : 13039+3724
TDS8673AB

110' : 13044+3909
KZA 38

111' : 12542+4008
UC 2425

116' : 13054+3748
KZA 39

118' : 12586+4013
RDN 2

120' : 13032+3944
UC 2461



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.

12560+3819 STF 1692 AB (Cor Caroli)

 
 
12h 56m 01.67s +38° 19' 06.2" P.A. 230.00 sep 19.3 mag 2.85,5.52 Sp A0pSiEuHg dist. 35.2 pc (114.82 l.y.)
 
 
Coord 2000 12560+3819 Discov num STF1692 Comp AB Coord arcsec 2000 12 56 01.67 +38 19 06.2
Date first 1777 Date last 2020 Obs 174
Pa first 234 Pa last 229.5 P.A. Now (θ) 229.5°
Sep first 22.0 Sep last 19.27 Sep. Now (ρ) 19.27"
Mag pri 2.85 Mag sec 5.52 delta mag (ΔM) 2.67 Spectral class A0pSiEuHg (white)
Pri motion ra -233 Sec motion ra -204
Pri motion dec +055 Sec motion dec +088
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.184 (< 0.3, Physical double)
This double is physical.
 
 
12560+3819 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Cor Caroli 63257 12 56 02 +38 19 06 STF 1692 AB 2020 174 230 19.3 2.85 5.52 2.67 <===
Show 63256 12 56 00 +38 18 54 TOK 562 BC 2015 5 205 999.9 5.61 16.18 10.57
Show 12 55 21 +38 02 04 DAM 2486 CD 2016 2 293 0.9 15.30 15.80 0.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Cor Caroli Constellation Canes Venatici SAO 63257 HIP 63125
Tycho2 3021-02645-1 Gaia DR2 1517698716348324992 HD 112413 HR 4915
GC 17557 ADS 8706 BD BD+39 2580 Bayer Alpha 2 Canum Venaticorum
Bayer name Alp2 CVn Flamsteed 12 Canum Venaticorum Flamsteed name 12 CVn FK5 485
Distance 35.2 Distance ly 114.82 Bayer greek α2 CVn
Meaning the heart of Charles (II of England)
 
 
WDS 12560+3819 STF 1692 AB (Cor Caroli) : NOTES
 
 
discov_num notes refcode
STF1692 alp CVn = Cor Caroli. Both components are spectroscopic binaries.
Prototype of the Alpha CVn-type variables. Spectrum F0V.
NLTT 32338/32336 Chm2004
H 4 17. MEv2010
 
 
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.)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 DAM Damm, F.
403 STF Struve, F.G.W.
436 TOK Tokovinin, A.A.
483 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
483 TOK Weigelt, G.
497 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
497 TOK Martinez, M., & Mondaca, E.
565 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
565 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12560+3819 STF1692 AB 2015 160 227 19.3 2.85 5.52 A0pSiEuHg NVD 125601.67+381906.2
12560+3819 STF1692 AB 2016 164 229 20.0 2.85 5.52 A0pSiEuHg NV 125601.67+381906.2
12560+3819 STF1692 AB 2017 165 230 19.3 2.85 5.52 A0pSiEuHg NV 125601.67+381906.2
12560+3819 STF1692 AB 2018 169 230 19.5 2.85 5.52 A0pSiEuHg NV 125601.67+381906.2
12560+3819 STF1692 AB 2020 170 230 19.3 2.85 5.52 A0pSiEuHg NV 125601.67+381906.2

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

 
 
WDS 12560+3819 STF 1692 AB (Cor Caroli) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/09/23 Diego Vercelli very easy separated 230 very interesting
Show 14/05/24 gianluca.paone very easy separated 220 very interesting

 
 
WDS 12560+3819 STF 1692 AB (Cor Caroli) : MEASURES
 
 
Records found: 2
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/06/02 inzet easy 19.33 0.18 227.31 0.54 1.65 375
Show 20/08/18 Zeitgenosse   19.80   227.90     1 astrometric from individual coordinates in RA, DE
 
 
WDS 12560+3819 (Cor Caroli) : VIRTUAL EYEPIECE
 
 

12560+3819 STF1692A mag 2.85 Sp A0pSiEuHg 12560+3819 TOK 562B sep 19.0 P.A. 228.50 mag 5.61 Sp F2V 12560+3819 DAM2486C sep 1131.4 P.A. 205.40 mag 15.3 12560+3819 DAM2486D sep 1131.3 P.A. 205.40 mag 15.8 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 12560+3819 (Cor Caroli) : ALADIN DSS IMAGE @ 12h 56m 01.67s +38° 19' 06.2"
 
 
 
 
WDS 12560+3819 STF 1692 AB (Cor Caroli) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12560+3819 STF1692AB (Cor Caroli) distance=0' 12560+3819 TOK 562BC distance=1' 12560+3819 DAM2486CD distance=19' 12581+3810 GRV 859 distance=27' 12585+3817 STF1702AB distance=30' 12536+3758 STF1688AB distance=36' 12536+3758 STF1688AC distance=36' 12562+3740 LDS4298 distance=40' 12526+3830 SLW 789 distance=43' 12523+3836 NI 30AB distance=48' 12523+3836 SKF1029AC distance=48' 12521+3755 SLW 786 distance=52' 13010+3810 UC 2453 distance=60' 13004+3856 COU1131 distance=63' 13012+3852 HU 1142 distance=70' 12504+3847 HU 1139 distance=72' 12512+3921 SKF2655 distance=84' 12567+3652 TOK 285 distance=88' 12576+3650 WRS 3 distance=92' 13011+3709 TDS8644 distance=93' 13039+3758 UC 2463 distance=96' 13042+3805 KZA 37 distance=98' 12568+3956 CVR1479 distance=98' 12528+3949 ES 1405AB distance=98' 12528+3949 ES 1405BC distance=99' 12473+3811 SKF2596 distance=104' 13039+3724 TDS8673AB distance=109' 13044+3909 KZA 38 distance=110' 12542+4008 UC 2425 distance=111' 13054+3748 KZA 39 distance=116' 12586+4013 RDN 2 distance=118' 13032+3944 UC 2461 distance=120' 12520+4011 ES 1404 distance=122' 12481+3940 TDS8528 distance=123' 13058+3726 KZA 40 distance=127' 12599+3620 CBL 402 distance=128' 12585+3613 HLG 1 distance=130' 12535+3613 CBL 398 distance=131' 12568+4029 SKF2656 distance=131' 13055+3708 HDS1830 distance=133' 12584+4033 HDS1819 distance=137' 13065+3716 LDS4314 distance=139' 12505+4021 LDS4281 distance=139' 12517+3610 SLW 782 distance=140' 13082+3844 STF1723 distance=146' 12494+4023 UC 2409AC distance=146' 12548+4049 JNN 81 distance=151' 13089+3800 KZA 41 distance=153' 12471+3629 SKF2595 distance=154' 13091+3858 KZA 42AB distance=159' 13091+3858 KZA 42AC distance=159' 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 Cor Caroli 12560+3819 STF1692 AB 230 19.3
Show 12560+3819 TOK 562 BC 205 999.9 1
Show 12560+3819 DAM2486 CD 293 0.9 19
Show 12581+3810 GRV 859 262 32.9 27
Show 12585+3817 STF1702 AB 83 35.9 30
Show 12536+3758 STF1688 AB 344 14.1 36
Show 12536+3758 STF1688 AC 355 79.7 36
Show 12562+3740 LDS4298 -1 1.0 40
Show 12526+3830 SLW 789 294 116.5 43
Show 12523+3836 NI 30 AB 159 10.7 48
Show 12523+3836 SKF1029 AC 221 2.8 48
Show 12521+3755 SLW 786 207 16.7 52
Show 13010+3810 UC 2453 252 75.6 60
Show 13004+3856 COU1131 243 3.4 63
Show 13012+3852 HU 1142 156 1.0 70
Show 12504+3847 HU 1139 286 4.8 72
Show 12512+3921 SKF2655 144 6.4 84
Show 12567+3652 TOK 285 211 130.2 88
Show 12576+3650 WRS 3 343 14.9 92
Show 13011+3709 TDS8644 257 0.9 93
Show 13039+3758 UC 2463 200 49.1 96
Show 13042+3805 KZA 37 66 24.7 98
Show 12568+3956 CVR1479 213 3.2 98
Show 12528+3949 ES 1405 AB 283 66.5 98
Show 12528+3949 ES 1405 BC 252 4.3 99
Show 12473+3811 SKF2596 100 6.6 104
Show 13039+3724 TDS8673 AB 253 1.3 109
Show 13044+3909 KZA 38 306 22.9 110
Show 12542+4008 UC 2425 328 93.6 111
Show 13054+3748 KZA 39 234 32.1 116
Show 12586+4013 RDN 2 33 63.4 118
Show 13032+3944 UC 2461 29 23.7 120
Show 12520+4011 ES 1404 30 2.9 122
Show 12481+3940 TDS8528 298 1.0 123
Show 13058+3726 KZA 40 283 57.1 127
Show 12599+3620 CBL 402 169 13.2 128
Show 12585+3613 HLG 1 46 61.6 130
Show 12535+3613 CBL 398 278 15.1 131
Show 12568+4029 SKF2656 113 16.7 131
Show 13055+3708 HDS1830 323 0.5 133
Show 12584+4033 HDS1819 195 0.2 137
Show 13065+3716 LDS4314 249 56.7 139
Show 12505+4021 LDS4281 112 101.5 139
Show 12517+3610 SLW 782 275 67.1 140
Show 13082+3844 STF1723 12 6.1 146
Show 12494+4023 UC 2409 AC 185 17.1 146
Show 12548+4049 JNN 81 33 0.6 151
Show 13089+3800 KZA 41 20 30.4 153
Show 12471+3629 SKF2595 160 4.0 154
Show 13091+3858 KZA 42 AB 17 35.2 159
Show 13091+3858 KZA 42 AC 250 56.8 159

 
 
WDS 12560+3819 : COMPONENTS
 
 
  A B C
B pa=228.5°
sep=19.01"
 
C pa=205.4°
sep=1131.39"
pa=205.0°
sep=1113.92"
 
D pa=205.4°
sep=1131.35"
pa=205.0°
sep=1113.88"
pa=298.2°
sep=0.73"
 
 
12560+3819 A
 
 
Common name Cor Caroli Meaning the heart of Charles (II of England) Coord arcsec 2000 125601.67+381906.2 Mag 2.85
Spectral class A0pSiEuHg (white) PmRA -233.00 PmDE 55.0 SAO 63257
HIP 63125 Tycho2 3021-02645-1 HD 112413 HR 4915
GC 17557 BD BD+39 2580 Bayer Alpha 2 Canum Venaticorum Bayer name Alp2 CVn
Flamsteed 12 Canum Venaticorum Flamsteed name 12 CVn FK5 485
Tycho2
Tycho2 3021-02645-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 2.788 E BTmag 0.014 VTmag 2.845
E VTmag 0.009 Prox 193 TYC T HIP 63125
CCDM A RAdeg 194.00763222 DEdeg 38.31824750 EpRA 1990 1.72
EpDE 1990 1.41 E RAdeg 3.2 E DEdeg 3.3 Posflg
Corr -0.2
SAO
SAO 63257 DelFlag RA1950 PmRA1950 -0.0201
DE1950 PmDE1950 0.052 Vmag 2.9 SpType A0p
Double code Source 74 CatNum 485 DM BD+39 2580
DMcomp A BDsup HD 112413 M HD 0
GC 17557 RA1950rad 3.37586513 DE1950rad 0.67348774 PmRA2000 -0.0198
PmDE2000 0.057
Hipparcos
Catalog H HIP 63125 Proxy RAhms 12 56 01.84
DEdms +38 19 05.7 Vmag 2.89 VarFlag 2 R Vmag G
RAdeg 194.008 DEdeg 38.3182 AstroRef A Plx 29.6
CCDM 12560+3819 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 112413 BD BD+39 2580
CD CP Dm number +39 2580 VIred -0.13
SpType A0spe... R SpType Coord arcsec 2000 125601.84+381905.7
Hipparcos 2
HIP 63125 Sn 95 So 3 Nc 1
RArad 3.3860726301 DErad 0.6687795565 Plx 28.41 PmRA -235.08
PmDE 53.54 E RArad 0.66 E DErad 0.55 E Plx 0.9
E pmRA 0.69 E pmDE 0.55 Hpmag 2.8471 E Hpmag 0.0102
SHp 0.025 VA 1 BV -0.115 E BV 0.007
VI -0.13
CCDM
Ccdm 12560+3819 RComp Comp A Note1
Note2 Discov num DRAs 1.72 DDEs 7.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 2.9 Sp A0 PmNote *
PmRA -221 PmDE 70 Dm number +39 2580 Cat1 BD
Name2 63257 Cat2 SAO HD 112413 M HD
ADS BDS A 8706 M ADS BDS N IDS IDS 12514N3851A
HIC 63125
 
 
12560+3819 B
 
 
Coord arcsec 2000 125600.46+381853.6 Coord calc 125600.46+381853.6 Mag 5.61 Spectral class F2V (yellow-white)
PmRA -204.00 PmDE 88.0 SAO 63256 HIP 63121
Tycho2 3021-02646-1 HD 112412 HR 4914 GC 17556
Flamsteed 12 Canum Venaticorum Flamsteed name 12 CVn Calc delta mag 2.76
SAO
SAO 63256 DelFlag RA1950 PmRA1950 -0.0203
DE1950 PmDE1950 0.057 Vmag 5.4 SpType A0p
Double code Source 70 CatNum 17556 DM BD+39 2580
DMcomp B BDsup HD 112412 M HD 0
GC 17556 RA1950rad 3.37577242 DE1950rad 0.67342471 PmRA2000 -0.02
PmDE2000 0.062
Hipparcos
Catalog H HIP 63121 Proxy RAhms 12 56 00.60
DEdms +38 18 52.9 Vmag 5.61 VarFlag R Vmag G
RAdeg 194.003 DEdeg 38.3147 AstroRef B Plx 39.95
CCDM 12560+3819 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 112412 BD
CD CP Dm number VIred 0.37
SpType F0V R SpType Coord arcsec 2000 125600.60+381852.9
Hipparcos 2
HIP 63121 Sn 95 So 3 Nc 1
RArad 3.3859827968 DErad 0.6687175191 Plx 27.1 PmRA -232.86
PmDE 55.69 E RArad 7.26 E DErad 6.22 E Plx 9.54
E pmRA 7.54 E pmDE 6.92 Hpmag 6.1953 E Hpmag 0.1773
SHp 0 VA 0 BV 0.337 E BV 0.006
VI 0.37
CCDM
Ccdm 12560+3819 RComp Comp B Note1
Note2 Discov num STF1692 DRAs 0.49 DDEs -5.9
R dRAs 91 Year 1830 Theta 228 Rho 19.6
Obs 99 Vmag 5.4 Sp A0 PmNote *
PmRA -219 PmDE 76 Dm number Cat1
Name2 63256 Cat2 SAO HD 112412 M HD
ADS BDS A 8706 M ADS BDS N N IDS IDS 12514N3851B
HIC 63121
 
 
12560+3819 C
 
 
Coord arcsec 2000 125520.51+380204.2 Coord calc 125520.51+380204.2 Mag 15.3 PmRA -208.00
PmDE 63.0 Calc delta mag 12.45
 
 
12560+3819 D
 
 
Coord arcsec 2000 125520.46+380204.5 Mag 15.8 PmRA -208.00 PmDE 64.0
Calc delta mag 12.95 Calc coord yes