18389+4042 A 586
18h 38m 55.26s +40° 41' 56.2" P.A. 203.00 sep 2.2 mag 9.13,11.03 Sp F5
Coord 2000 |
18389+4042 |
|
Discov num |
A 586 |
|
Comp |
|
|
Coord arcsec 2000 |
18 38 55.26 +40 41 56.2 |
|
Date first |
1903 |
|
Date last |
2016 |
|
Obs |
12 |
|
Pa first |
204 |
|
Pa last |
202.8 |
|
P.A. Now (θ) |
202.8° |
|
Sep first |
2.1 |
|
Sep last |
2.24 |
|
Sep. Now (ρ) |
2.24" |
|
Mag pri |
9.13 |
|
Mag sec |
11.03 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
|
|
Pri motion dec |
-001 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3109-01786-1 |
|
Gaia DR2 |
2110524251827083776 |
|
ADS |
11550 |
|