18026-2415 ARG 31 AC
18h 02m 38.62s -24° 15' 19.3" P.A. 26.00 sep 35.6 mag 7.40,8.63 Sp B3
Coord 2000 |
18026-2415 |
|
Discov num |
ARG 31 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 02 38.62 -24 15 19.3 |
|
Date first |
1879 |
|
Date last |
2018 |
|
Obs |
20 |
|
Pa first |
25 |
|
Pa last |
26.2 |
|
P.A. Now (θ) |
26.2° |
|
Sep first |
36.5 |
|
Sep last |
35.6 |
|
Sep. Now (ρ) |
35.6" |
|
Mag pri |
7.40 |
|
Mag sec |
8.63 |
|
delta mag (ΔM) |
1.23 |
|
Spectral class |
B3 (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.707
Nature of this double is uncertain.
18026-2415 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 164536 |
186152 |
18 02 39 -24 15 19 |
RST 3149 AB |
2002 |
3 |
62 |
1.7 |
7.40 |
12.40 |
5.00 |
|
|
Show |
|
186152 |
18 02 39 -24 15 19 |
ARG 31 AC |
2018 |
20 |
26 |
35.6 |
7.40 |
8.63 |
1.23 |
|
<=== |
Show |
|
186152 |
18 02 39 -24 15 19 |
BU 1462 AD |
2015 |
8 |
196 |
27.3 |
7.40 |
11.69 |
4.29 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
186152 |
|
Tycho2 |
6842-01723-1 |
|
Gaia DR2 |
4066038327907518848 |
|
HD |
164536 |
|