18197+4453 ES 2665 AB (HD 168850)
18h 19m 42.22s +44° 53' 17.2" P.A. 21.00 sep 9.9 mag 8.76,11.27 Sp F5 dist. 125 pc (407.75 l.y.)
| Coord 2000 |
18197+4453 |
|
Discov num |
ES 2665 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 19 42.22 +44 53 17.2 |
|
| Date first |
1894 |
|
Date last |
2017 |
|
Obs |
15 |
|
| Pa first |
25 |
|
Pa last |
21.2 |
|
P.A. Now (θ) |
21.2° |
|
| Sep first |
9.8 |
|
Sep last |
9.93 |
|
Sep. Now (ρ) |
9.93" |
|
| Mag pri |
8.76 |
|
Mag sec |
11.27 |
|
delta mag (ΔM) |
2.51 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
-032 |
|
Sec motion dec |
-030 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.057 (< 0.3, Physical double)
This double is physical.
18197+4453 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 168850 |
47393 |
18 19 42 +44 53 17 |
ES 2665 AB |
2017 |
15 |
21 |
9.9 |
8.76 |
11.27 |
2.51 |
|
<=== |
| Show |
|
47393 |
18 19 42 +44 53 17 |
WAL 90 AC |
2015 |
10 |
334 |
77.1 |
8.76 |
12.28 |
3.52 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168850 |
|
Constellation |
Lyra |
|
SAO |
47393 |
|
HIP |
89810 |
|
| Tycho2 |
3115-00153-1 |
|
Gaia DR2 |
2115221988273807360 |
|
HD |
168850 |
|
ADS |
11269 |
|
| BD |
BD+44 2878 |
|
Distance |
125 |
|
Distance ly |
407.75 |
|
