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)