18069+4647 ES 1157 AB (HD 166118)
18h 06m 54.06s +46° 46' 42.5" P.A. 178.00 sep 29.3 mag 8.42,11.29 Sp F2 dist. 124.22 pc (405.21 l.y.)
| Coord 2000 |
18069+4647 |
|
Discov num |
ES 1157 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 06 54.06 +46 46 42.5 |
|
| Date first |
1912 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
181 |
|
Pa last |
177.6 |
|
P.A. Now (θ) |
177.6° |
|
| Sep first |
25.9 |
|
Sep last |
29.307 |
|
Sep. Now (ρ) |
29.307" |
|
| Mag pri |
8.42 |
|
Mag sec |
11.29 |
|
delta mag (ΔM) |
2.87 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+045 |
|
Sec motion dec |
-026 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.581
This double is not physical.
18069+4647 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166118 |
47227 |
18 06 54 +46 46 42 |
ES 1157 AB |
2018 |
11 |
178 |
29.3 |
8.42 |
11.29 |
2.87 |
|
<=== |
| Show |
|
47227 |
18 06 54 +46 46 42 |
ES 1157 AD |
2017 |
12 |
236 |
49.7 |
8.36 |
11.65 |
3.29 |
|
|
| Show |
|
|
18 06 54 +46 46 14 |
ES 1157 BC |
2017 |
5 |
11 |
2.8 |
11.29 |
12.00 |
0.71 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166118 |
|
Constellation |
Hercules |
|
SAO |
47227 |
|
HIP |
88733 |
|
| Tycho2 |
3524-00082-1 |
|
Gaia DR2 |
2116371562039816576 |
|
HD |
166118 |
|
BD |
BD+46 2428 |
|
| Distance |
124.22 |
|
Distance ly |
405.21 |
|
