18012-4550 I 1112 AC (HD 163986)
18h 01m 12.50s -45° 49' 33.9" P.A. 56.00 sep 20.4 mag 7.78,11.24 Sp G6/8III
Coord 2000 |
18012-4550 |
|
Discov num |
I 1112 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 01 12.50 -45 49 33.9 |
|
Date first |
1913 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
58 |
|
Pa last |
56.1 |
|
P.A. Now (θ) |
56.1° |
|
Sep first |
20.1 |
|
Sep last |
20.415 |
|
Sep. Now (ρ) |
20.415" |
|
Mag pri |
7.78 |
|
Mag sec |
11.24 |
|
delta mag (ΔM) |
3.46 |
|
Spectral class |
G6/8III (yellow) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-020 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.007
This double is not physical.
18012-4550 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
228625 |
18 01 12 -45 49 34 |
I 1112 AB |
2015 |
7 |
231 |
21.4 |
7.78 |
12.73 |
4.95 |
|
|
Show |
HD 163986 |
228625 |
18 01 12 -45 49 34 |
I 1112 AC |
2015 |
6 |
56 |
20.4 |
7.78 |
11.24 |
3.46 |
|
<=== |
Show |
|
228625 |
18 01 12 -45 49 34 |
HJ 5005 AD |
2015 |
11 |
26 |
26.7 |
7.78 |
9.93 |
2.15 |
|
|
Show |
|
228625 |
18 01 12 -45 49 34 |
HJ 5005 AE |
2015 |
7 |
75 |
32.0 |
7.78 |
13.50 |
5.72 |
|
|
Show |
|
|
18 01 14 -45 49 23 |
I 1112 CD |
2015 |
6 |
337 |
13.7 |
11.24 |
9.93 |
1.31 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 163986 |
|
Constellation |
Ara |
|
SAO |
228625 |
|
Tycho2 |
8357-03850-1 |
|
Gaia DR2 |
6720575506941282560 |
|
HD |
163986 |
|