18399-2531 ARG 32 AC
18h 39m 52.28s -25° 30' 16.5" P.A. 285.00 sep 53.2 mag 8.60,8.84 Sp A0 dist. 227.27 pc (741.35 l.y.)
Coord 2000 |
18399-2531 |
|
Discov num |
ARG 32 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 39 52.28 -25 30 16.5 |
|
Date first |
1862 |
|
Date last |
2018 |
|
Obs |
17 |
|
Pa first |
285 |
|
Pa last |
284.9 |
|
P.A. Now (θ) |
284.9° |
|
Sep first |
68.7 |
|
Sep last |
53.217 |
|
Sep. Now (ρ) |
53.217" |
|
Mag pri |
8.60 |
|
Mag sec |
8.84 |
|
delta mag (ΔM) |
0.24 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-005 |
|
Notes |
U
Z
(Proper motion indicates non-physical, Parallax indicates components are physical) |
|
rPM=0.607
This double is not physical.
18399-2531 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
187106 |
18 39 52 -25 30 16 |
OCC 9182 Aa,Ab |
1972 |
0 |
-1 |
0.8 |
8.90 |
8.20 |
0.70 |
|
|
Show |
HD 172193 |
187106 |
18 39 52 -25 30 16 |
ARG 32 AB |
2018 |
21 |
220 |
7.0 |
8.60 |
9.10 |
0.50 |
|
|
Show |
|
187106 |
18 39 52 -25 30 16 |
ARG 32 AC |
2018 |
17 |
285 |
53.2 |
8.60 |
8.84 |
0.24 |
|
<=== |
Show |
|
187106 |
18 39 52 -25 30 16 |
ARG 32 AD |
2015 |
6 |
217 |
80.2 |
8.60 |
11.33 |
2.73 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
187106 |
|
HIP |
91515 |
|
Tycho2 |
6862-01144-1 |
|
Gaia DR2 |
4076337590788231040 |
|
HD |
172178 |
|
GC |
25509 |
|
CD |
CD-2513318 |
|
CP |
CP-25 6580 |
|
Distance |
227.27 |
|
Distance ly |
741.35 |
|