18555+4411 ES 1428 BC
18h 55m 33.27s +44° 10' 30.6" P.A. 118.00 sep 2.4 mag 13.50,13.70
| Coord 2000 |
18555+4411 |
|
Discov num |
ES 1428 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 55 33.27 +44 10 30.6 |
|
| Date first |
1897 |
|
Date last |
2021 |
|
Obs |
7 |
|
| Pa first |
137 |
|
Pa last |
117.8 |
|
P.A. Now (θ) |
117.8° |
|
| Sep first |
3.1 |
|
Sep last |
2.38 |
|
Sep. Now (ρ) |
2.38" |
|
| Mag pri |
13.50 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18555+4411 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
47921 |
18 55 31 +44 10 35 |
ES 1428 AB |
2021 |
5 |
103 |
27.2 |
8.68 |
12.71 |
4.03 |
|
|
| Show |
|
|
18 55 33 +44 10 31 |
ES 1428 BC |
2021 |
7 |
118 |
2.4 |
13.50 |
13.70 |
0.20 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Gaia DR2 |
2106641262093870592 |
|
