18439+6039 ES 189 AB
18h 43m 52.35s +60° 38' 47.9" P.A. 107.00 sep 3.2 mag 10.20,12.20 Sp F5
| Coord 2000 |
18439+6039 |
|
Discov num |
ES 189 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 43 52.35 +60 38 47.9 |
|
| Date first |
1903 |
|
Date last |
2022 |
|
Obs |
6 |
|
| Pa first |
104 |
|
Pa last |
107.3 |
|
P.A. Now (θ) |
107.3° |
|
| Sep first |
4.3 |
|
Sep last |
3.18 |
|
Sep. Now (ρ) |
3.18" |
|
| Mag pri |
10.20 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
