18334-4240 I 9020 AC
18h 33m 23.23s -42° 39' 36.3" P.A. 74.00 sep 25.1 mag 9.78,12.50 Sp F8
| Coord 2000 |
18334-4240 |
|
Discov num |
I 9020 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 33 23.23 -42 39 36.3 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
81 |
|
Pa last |
74.4 |
|
P.A. Now (θ) |
74.4° |
|
| Sep first |
27.2 |
|
Sep last |
25.054 |
|
Sep. Now (ρ) |
25.054" |
|
| Mag pri |
9.78 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.72 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-057 |
|
Sec motion dec |
-021 |
|
| Notes |
|
|
rPM=0.634
Nature of this double is uncertain.
18334-4240 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170801 |
229110 |
18 33 23 -42 39 36 |
CPO 82 AB |
2016 |
14 |
45 |
5.9 |
9.78 |
10.30 |
0.52 |
|
|
| Show |
|
229110 |
18 33 23 -42 39 36 |
I 9020 AC |
2015 |
5 |
74 |
25.1 |
9.78 |
12.50 |
2.72 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
SAO |
229110 |
|
Tycho2 |
7910-01386-1 |
|
Gaia DR2 |
6722090599593527040 |
|
| HD |
170801 |
|
