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) |
|