12206-2213 BU 1245 A,CD (Zet Crv)
12h 20m 33.71s -22° 12' 57.0" P.A. 295.00 sep 347.8 mag 5.17,6.04 Sp B8V+G3IV dist. 127.39 pc (415.55 l.y.)
Coord 2000 |
12206-2213 |
|
Discov num |
BU 1245 |
|
Comp |
A,CD |
|
Coord arcsec 2000 |
12 20 33.71 -22 12 57.0 |
|
Date first |
1991 |
|
Date last |
2018 |
|
Obs |
7 |
|
Pa first |
295 |
|
Pa last |
294.5 |
|
P.A. Now (θ) |
294.5° |
|
Sep first |
349.1 |
|
Sep last |
347.8 |
|
Sep. Now (ρ) |
347.8" |
|
Mag pri |
5.17 |
|
Mag sec |
6.04 |
|
delta mag (ΔM) |
0.87 |
|
Spectral class |
B8V+G3IV (blue-white/yellow) |
|
Pri motion ra |
-109 |
|
Sec motion ra |
-109 |
|
Pri motion dec |
-023 |
|
Sec motion dec |
-023 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
12206-2213 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
180700 |
12 20 34 -22 12 57 |
BU 1245 AB |
2015 |
8 |
74 |
17.8 |
5.21 |
13.70 |
8.49 |
|
|
Show |
Zet Crv |
180700 |
12 20 34 -22 12 57 |
BU 1245 A,CD |
2018 |
7 |
295 |
347.8 |
5.17 |
6.04 |
0.87 |
|
<=== |
Show |
|
180695 |
12 20 11 -22 10 32 |
BU 605 CD |
2018 |
41 |
268 |
0.5 |
6.29 |
8.05 |
1.76 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Zet Crv |
|
Constellation |
Corvus |
|
SAO |
180700 |
|
HIP |
60189 |
|
Tycho2 |
6108-01477-1 |
|
Gaia DR2 |
3514115032970667136 |
|
HD |
107348 |
|
HR |
4696 |
|
GC |
16830 |
|
ADS |
8517 |
|
BD |
BD-21 3514 |
|
Bayer |
Zeta Corvi |
|
Bayer name |
Zet Crv |
|
Distance |
127.39 |
|
Distance ly |
415.55 |
|
Bayer greek |
ζ Crv |
|