18182+5050 ES 647
18h 18m 15.83s +50° 50' 27.1" P.A. 291.00 sep 2.4 mag 9.60,11.90
| Coord 2000 |
18182+5050 |
|
Discov num |
ES 647 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 15.83 +50 50 27.1 |
|
| Date first |
1908 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
293 |
|
Pa last |
290.5 |
|
P.A. Now (θ) |
290.5° |
|
| Sep first |
2.8 |
|
Sep last |
2.359 |
|
Sep. Now (ρ) |
2.359" |
|
| Mag pri |
9.60 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
|
|
| Pri motion ra |
+027 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3537-00247-1 |
|
Gaia DR2 |
2124312612973329792 |
|
