18386+1632 HO 87 AC
18h 38m 36.74s +16° 32' 27.7" P.A. 121.00 sep 47.3 mag 8.34,14.17 Sp G5 dist. 128.7 pc (419.82 l.y.)
| Coord 2000 |
18386+1632 |
|
Discov num |
HO 87 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 38 36.74 +16 32 27.7 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
131 |
|
Pa last |
120.9 |
|
P.A. Now (θ) |
120.9° |
|
| Sep first |
45.6 |
|
Sep last |
47.309 |
|
Sep. Now (ρ) |
47.309" |
|
| Mag pri |
8.34 |
|
Mag sec |
14.17 |
|
delta mag (ΔM) |
5.83 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-050 |
|
Sec motion ra |
+026 |
|
| Pri motion dec |
-049 |
|
Sec motion dec |
-017 |
|
| Notes |
N
(See Notes) |
|
rPM=1.178
This double is not physical.
18386+1632 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172246 |
103945 |
18 38 37 +16 32 28 |
HO 87 AB |
2019 |
115 |
96 |
0.4 |
8.34 |
8.98 |
0.64 |
Y |
|
| Show |
|
103945 |
18 38 37 +16 32 28 |
HO 87 AC |
2015 |
9 |
121 |
47.3 |
8.34 |
14.17 |
5.83 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
103945 |
|
HIP |
91413 |
|
Tycho2 |
1570-02103-1 |
|
| Gaia DR2 |
4511604454282166912 |
|
HD |
172246 |
|
BD |
BD+16 3572 |
|
Distance |
128.7 |
|
| Distance ly |
419.82 |
|
