20124+3804 SEI 1000 (HD 228289)
20h 12m 23.20s +38° 03' 50.3" P.A. 145.00 sep 19.1 mag 9.72,11.40 Sp B2III:
| Coord 2000 |
20124+3804 |
|
Discov num |
SEI1000 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 23.20 +38 03 50.3 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
150 |
|
Pa last |
144.7 |
|
P.A. Now (θ) |
144.7° |
|
| Sep first |
19.3 |
|
Sep last |
19.054 |
|
Sep. Now (ρ) |
19.054" |
|
| Mag pri |
9.72 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
B2III: (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=1.373
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228289 |
|
Constellation |
Cygnus |
|
Tycho2 |
3151-02631-1 |
|
Gaia DR2 |
2061666013858471296 |
|
| HD |
228289 |
|
