18123+0154 RAO 66 AC
18h 12m 18.16s +01° 53' 50.8" P.A. 72.00 sep 17.2 mag 8.56,15.90 Sp G5 dist. 60.39 pc (196.99 l.y.)
| Coord 2000 |
18123+0154 |
|
Discov num |
RAO 66 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 12 18.16 +01 53 50.8 |
|
| Date first |
2000 |
|
Date last |
2012 |
|
Obs |
3 |
|
| Pa first |
73 |
|
Pa last |
71.9 |
|
P.A. Now (θ) |
71.9° |
|
| Sep first |
16.5 |
|
Sep last |
17.237 |
|
Sep. Now (ρ) |
17.237" |
|
| Mag pri |
8.56 |
|
Mag sec |
15.90 |
|
delta mag (ΔM) |
7.34 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-037 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18123+0154 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166823 |
123240 |
18 12 18 +01 53 51 |
A 2260 AB |
2021 |
20 |
107 |
1.9 |
8.56 |
11.70 |
3.14 |
|
|
| Show |
|
123240 |
18 12 18 +01 53 51 |
RAO 66 AC |
2012 |
3 |
72 |
17.2 |
8.56 |
15.90 |
7.34 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
123240 |
|
HIP |
89207 |
|
Tycho2 |
0435-01944-1 |
|
| Gaia DR2 |
4276093186784192896 |
|
HD |
166823 |
|
BD |
BD+01 3620 |
|
Distance |
60.39 |
|
| Distance ly |
196.99 |
|
