18294+4158 ES 1559 BC
18h 29m 30.86s +41° 57' 41.1" P.A. 188.00 sep 1.7 mag 11.45,12.12
Coord 2000 |
18294+4158 |
|
Discov num |
ES 1559 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 29 30.86 +41 57 41.1 |
|
Date first |
1916 |
|
Date last |
2021 |
|
Obs |
6 |
|
Pa first |
181 |
|
Pa last |
187.7 |
|
P.A. Now (θ) |
187.7° |
|
Sep first |
1.9 |
|
Sep last |
1.71 |
|
Sep. Now (ρ) |
1.71" |
|
Mag pri |
11.45 |
|
Mag sec |
12.12 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
|
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
Nature of this double is uncertain.
18294+4158 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 29 24 +41 57 36 |
ES 1559 AB |
2021 |
8 |
87 |
77.1 |
9.25 |
11.45 |
2.20 |
|
|
Show |
|
|
18 29 31 +41 57 41 |
ES 1559 BC |
2021 |
6 |
188 |
1.7 |
11.45 |
12.12 |
0.67 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3112-01775-1 |
|
Gaia DR2 |
2111302229321513984 |
|