20454+8105 LDS 1938
20h 45m 22.74s +81° 04' 49.1" P.A. 321.00 sep 18.2 mag 9.16,17.20 Sp G5V+DA6
| Coord 2000 |
20454+8105 |
|
Discov num |
LDS1938 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 22.74 +81 04 49.1 |
|
| Date first |
1962 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
323 |
|
Pa last |
321.2 |
|
P.A. Now (θ) |
321.2° |
|
| Sep first |
18.0 |
|
Sep last |
18.244 |
|
Sep. Now (ρ) |
18.244" |
|
| Mag pri |
9.16 |
|
Mag sec |
17.20 |
|
delta mag (ΔM) |
8.04 |
|
Spectral class |
G5V+DA6 (yellow/white dwarf) |
|
| Pri motion ra |
+046 |
|
Sec motion ra |
+054 |
|
| Pri motion dec |
+122 |
|
Sec motion dec |
+108 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.124 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
4598-00133-1 |
|
Gaia DR2 |
2298135638861983104 |
|
