12179-2401 DON 521 BC
12h 17m 55.26s -24° 00' 51.2" P.A. 50.00 sep 0.2 mag 11.20,11.20
| Coord 2000 |
12179-2401 |
|
Discov num |
DON 521 |
|
Comp |
BC |
|
Coord arcsec 2000 |
12 17 55.26 -24 00 51.2 |
|
| Date first |
1932 |
|
Date last |
1965 |
|
Obs |
4 |
|
| Pa first |
35 |
|
Pa last |
49.5 |
|
P.A. Now (θ) |
49.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.18 |
|
Sep. Now (ρ) |
0.18" |
|
| Mag pri |
11.20 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
Nature of this double is uncertain.
12179-2401 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 106955 |
180662 |
12 17 56 -24 00 48 |
BU 921 A,BC |
1991 |
18 |
221 |
3.4 |
7.01 |
10.67 |
3.66 |
|
|
| Show |
|
|
12 17 55 -24 00 51 |
DON 521 BC |
1965 |
4 |
50 |
0.2 |
11.20 |
11.20 |
0.00 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corvus |
|
Gaia DR2 |
3489078156773630080 |
|