20108+3646 SEI 958 (HD 228128)
20h 10m 48.75s +36° 45' 16.3" P.A. 323.00 sep 21.4 mag 10.00,10.21 Sp B8IV
| Coord 2000 |
20108+3646 |
|
Discov num |
SEI 958 |
|
Comp |
|
|
Coord arcsec 2000 |
20 10 48.75 +36 45 16.3 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
326 |
|
Pa last |
323.3 |
|
P.A. Now (θ) |
323.3° |
|
| Sep first |
21.2 |
|
Sep last |
21.419 |
|
Sep. Now (ρ) |
21.419" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.21 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
B8IV (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.471
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228128 |
|
Constellation |
Cygnus |
|
Tycho2 |
2683-02849-1 |
|
Gaia DR2 |
2059200221601946752 |
|
| HD |
228128 |
|
