18554+4052 ES 1657
18h 55m 22.99s +40° 52' 12.0" P.A. 355.00 sep 3.7 mag 10.40,11.00
Coord 2000 |
18554+4052 |
|
Discov num |
ES 1657 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 22.99 +40 52 12.0 |
|
Date first |
1894 |
|
Date last |
2020 |
|
Obs |
8 |
|
Pa first |
353 |
|
Pa last |
355.1 |
|
P.A. Now (θ) |
355.1° |
|
Sep first |
3.6 |
|
Sep last |
3.74 |
|
Sep. Now (ρ) |
3.74" |
|
Mag pri |
10.40 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2103683502797488640 |
|