20378+1936 J 3099
20h 37m 26.87s +19° 38' 08.9" P.A. 145.00 sep 5.5 mag 13.10,13.60 Sp B9+B5
| Coord 2000 |
20378+1936 |
|
Discov num |
J 3099 |
|
Comp |
|
|
Coord arcsec 2000 |
20 37 26.87 +19 38 08.9 |
|
| Date first |
1944 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
155 |
|
Pa last |
144.9 |
|
P.A. Now (θ) |
144.9° |
|
| Sep first |
4.0 |
|
Sep last |
5.473 |
|
Sep. Now (ρ) |
5.473" |
|
| Mag pri |
13.10 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B9+B5 (blue-white/blue-white) |
|
| Pri motion ra |
-025 |
|
Sec motion ra |
+023 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
-044 |
|
| Notes |
|
|
rPM=1.47
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1817207573545093632 |
|
