18509-2235 DON 927 AC
18h 50m 56.78s -22° 34' 56.5" P.A. 8.00 sep 9.1 mag 9.63,13.50 Sp F5V
| Coord 2000 |
18509-2235 |
|
Discov num |
DON 927 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 50 56.78 -22 34 56.5 |
|
| Date first |
1929 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
7 |
|
Pa last |
8.4 |
|
P.A. Now (θ) |
8.4° |
|
| Sep first |
8.8 |
|
Sep last |
9.136 |
|
Sep. Now (ρ) |
9.136" |
|
| Mag pri |
9.63 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
3.87 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
+024 |
|
| Notes |
|
|
rPM=1.304
This double is not physical.
18509-2235 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
187347 |
18 50 57 -22 34 56 |
DON 927 AB |
2015 |
3 |
68 |
3.3 |
9.63 |
15.70 |
6.07 |
|
|
| Show |
|
187347 |
18 50 57 -22 34 56 |
DON 927 AC |
2016 |
8 |
8 |
9.1 |
9.63 |
13.50 |
3.87 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
SAO |
187347 |
|
Tycho2 |
6860-00286-1 |
|
Gaia DR2 |
4078678691534438784 |
|
| HD |
174331 |
|
DM |
BD-22 4882 |
|