20173+6658 LDS 2450
20h 17m 20.91s +66° 57' 21.7" P.A. 227.00 sep 13.2 mag 16.60,17.20
Coord 2000 |
20173+6658 |
|
Discov num |
LDS2450 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 20.91 +66 57 21.7 |
|
Date first |
1953 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
224 |
|
Pa last |
227 |
|
P.A. Now (θ) |
227° |
|
Sep first |
13.0 |
|
Sep last |
13.212 |
|
Sep. Now (ρ) |
13.212" |
|
Mag pri |
16.60 |
|
Mag sec |
17.20 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
-103 |
|
Sec motion ra |
|
|
Pri motion dec |
+056 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
2249585745162297984 |
|