18299+1720 COU 118 AC
18h 29m 54.55s +17° 19' 55.8" P.A. 294.00 sep 29.1 mag 11.40,12.50
| Coord 2000 |
18299+1720 |
|
Discov num |
COU 118 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 29 54.55 +17 19 55.8 |
|
| Date first |
1965 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
294 |
|
Pa last |
293.7 |
|
P.A. Now (θ) |
293.7° |
|
| Sep first |
28.6 |
|
Sep last |
29.081 |
|
Sep. Now (ρ) |
29.081" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+013 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1.168
This double is not physical.
18299+1720 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 29 55 +17 19 56 |
COU 118 AB |
2017 |
10 |
204 |
6.6 |
11.40 |
12.00 |
0.60 |
|
|
| Show |
|
|
18 29 55 +17 19 56 |
COU 118 AC |
2015 |
9 |
294 |
29.1 |
11.40 |
12.50 |
1.10 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4522447356920982656 |
|
