17349-0044 BAL 891 BC
17h 34m 56.39s -00° 45' 11.5" P.A. 85.00 sep 3.8 mag 11.87,12.10
| Coord 2000 |
17349-0044 |
|
Discov num |
BAL 891 |
|
Comp |
BC |
|
Coord arcsec 2000 |
17 34 56.39 -00 45 11.5 |
|
| Date first |
1892 |
|
Date last |
2019 |
|
Obs |
15 |
|
| Pa first |
90 |
|
Pa last |
85.2 |
|
P.A. Now (θ) |
85.2° |
|
| Sep first |
3.3 |
|
Sep last |
3.8 |
|
Sep. Now (ρ) |
3.8" |
|
| Mag pri |
11.87 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
|
|
| Pri motion ra |
-016 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17349-0044 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 34 57 -00 44 53 |
BAL 891 AB |
2019 |
12 |
204 |
20.0 |
11.58 |
11.87 |
0.29 |
|
|
| Show |
|
|
17 34 57 -00 44 53 |
BAL 891 AC |
2019 |
7 |
194 |
18.5 |
11.58 |
12.10 |
0.52 |
|
|
| Show |
|
|
17 34 56 -00 45 12 |
BAL 891 BC |
2019 |
15 |
85 |
3.8 |
11.87 |
12.10 |
0.23 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
