18481+5721 STI 2389
18h 48m 05.29s +57° 20' 43.7" P.A. 226.00 sep 13.9 mag 11.89,12.50
| Coord 2000 |
18481+5721 |
|
Discov num |
STI2389 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 05.29 +57 20 43.7 |
|
| Date first |
1903 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
238 |
|
Pa last |
225.8 |
|
P.A. Now (θ) |
225.8° |
|
| Sep first |
11.2 |
|
Sep last |
13.869 |
|
Sep. Now (ρ) |
13.869" |
|
| Mag pri |
11.89 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.61 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+025 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=1.316
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3926-01398-1 |
|
Gaia DR2 |
2154033232609783936 |
|
