18005-3742 I 230 AB (HD 163958)
18h 00m 31.17s -37° 41' 57.9" P.A. 138.00 sep 6.2 mag 8.72,10.50 Sp G8IV
Coord 2000 |
18005-3742 |
|
Discov num |
I 230 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 00 31.17 -37 41 57.9 |
|
Date first |
1897 |
|
Date last |
2015 |
|
Obs |
15 |
|
Pa first |
140 |
|
Pa last |
138.2 |
|
P.A. Now (θ) |
138.2° |
|
Sep first |
5.0 |
|
Sep last |
6.192 |
|
Sep. Now (ρ) |
6.192" |
|
Mag pri |
8.72 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1.78 |
|
Spectral class |
G8IV (yellow) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+006 |
|
Sec motion dec |
+000 |
|
Notes |
N
(See Notes) |
|
rPM=1
This double is not physical.
18005-3742 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 163958 |
|
18 00 31 -37 41 58 |
I 230 AB |
2015 |
15 |
138 |
6.2 |
8.72 |
10.50 |
1.78 |
|
<=== |
Show |
|
|
18 00 31 -37 41 58 |
I 230 AC |
2015 |
5 |
153 |
62.5 |
8.72 |
10.31 |
1.59 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 163958 |
|
Constellation |
Corona Austrina |
|
Tycho2 |
7899-00558-1 |
|
Gaia DR2 |
4037022937692680960 |
|
HD |
163958 |
|