18223-1856 J 1740 AC
18h 22m 16.30s -18° 55' 40.9" P.A. 178.00 sep 8.7 mag 11.00,11.60
Coord 2000 |
18223-1856 |
|
Discov num |
J 1740 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 22 16.30 -18 55 40.9 |
|
Date first |
1917 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
178 |
|
Pa last |
177.5 |
|
P.A. Now (θ) |
177.5° |
|
Sep first |
9.2 |
|
Sep last |
8.679 |
|
Sep. Now (ρ) |
8.679" |
|
Mag pri |
11.00 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.863
This double is not physical.
18223-1856 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 22 16 -18 55 41 |
J 1740 AB |
2015 |
6 |
148 |
5.4 |
11.00 |
12.60 |
1.60 |
|
|
Show |
|
|
18 22 16 -18 55 41 |
J 1740 AC |
2015 |
10 |
178 |
8.7 |
11.00 |
11.60 |
0.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4096058225198086400 |
|