18123+0154 A 2260 AB (HD 166823)
18h 12m 18.16s +01° 53' 50.8" P.A. 107.00 sep 1.9 mag 8.56,11.70 Sp G5 dist. 60.39 pc (196.99 l.y.)
Coord 2000 |
18123+0154 |
|
Discov num |
A 2260 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 12 18.16 +01 53 50.8 |
|
Date first |
1910 |
|
Date last |
2021 |
|
Obs |
20 |
|
Pa first |
117 |
|
Pa last |
106.5 |
|
P.A. Now (θ) |
106.5° |
|
Sep first |
2.5 |
|
Sep last |
1.95 |
|
Sep. Now (ρ) |
1.95" |
|
Mag pri |
8.56 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
3.14 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-037 |
|
Sec motion dec |
-040 |
|
Notes |
|
|
rPM=0.09 (< 0.3, Physical double)
This double is physical.
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
Name |
HD 166823 |
|
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 |
|