18509-2235 DON 927 AB
18h 50m 56.78s -22° 34' 56.5" P.A. 68.00 sep 3.3 mag 9.63,15.70 Sp F5V
Coord 2000 |
18509-2235 |
|
Discov num |
DON 927 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 50 56.78 -22 34 56.5 |
|
Date first |
1929 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
69 |
|
Pa last |
67.6 |
|
P.A. Now (θ) |
67.6° |
|
Sep first |
3.1 |
|
Sep last |
3.309 |
|
Sep. Now (ρ) |
3.309" |
|
Mag pri |
9.63 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
6.07 |
|
Spectral class |
F5V (yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
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 |
|