18318+5639 ES 975
18h 31m 46.49s +56° 39' 03.1" P.A. 51.00 sep 10.5 mag 9.24,14.40 Sp G5
| Coord 2000 |
18318+5639 |
|
Discov num |
ES 975 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 46.49 +56 39 03.1 |
|
| Date first |
1910 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
78 |
|
Pa last |
50.9 |
|
P.A. Now (θ) |
50.9° |
|
| Sep first |
9.0 |
|
Sep last |
10.523 |
|
Sep. Now (ρ) |
10.523" |
|
| Mag pri |
9.24 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
5.16 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-040 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
31031 |
|
Tycho2 |
3913-01781-1 |
|
Gaia DR2 |
2151078741786155008 |
|
| HD |
238894 |
|
