17189-2400 H 6 54 AC
17h 18m 55.50s -23° 59' 49.2" P.A. 142.00 sep 79.0 mag 9.73,9.74 Sp A2III/IV
Coord 2000 |
17189-2400 |
|
Discov num |
H 6 54 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 18 55.50 -23 59 49.2 |
|
Date first |
1909 |
|
Date last |
2019 |
|
Obs |
12 |
|
Pa first |
143 |
|
Pa last |
141.5 |
|
P.A. Now (θ) |
141.5° |
|
Sep first |
80.0 |
|
Sep last |
79.01 |
|
Sep. Now (ρ) |
79.01" |
|
Mag pri |
9.73 |
|
Mag sec |
9.74 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
A2III/IV (white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-001 |
|
Notes |
N
(See Notes) |
|
rPM=0.934
This double is not physical.
17189-2400 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 156504 |
|
17 18 56 -23 59 49 |
HLD 132 AB |
2016 |
10 |
30 |
2.0 |
9.73 |
11.00 |
1.27 |
|
|
Show |
|
185259 |
17 18 56 -23 59 49 |
H 6 54 AC |
2019 |
12 |
142 |
79.0 |
9.73 |
9.74 |
0.01 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
SAO |
185259 |
|
Tycho2 |
6825-00412-1 |
|
Gaia DR2 |
4111173177182929408 |
|
HD |
156524 |
|