21154+3902 SEI 1477
21h 15m 25.50s +39° 01' 53.1" P.A. 59.00 sep 20.8 mag 10.77,11.30
| Coord 2000 |
21154+3902 |
|
Discov num |
SEI1477 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 25.50 +39 01 53.1 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
60 |
|
Pa last |
59.2 |
|
P.A. Now (θ) |
59.2° |
|
| Sep first |
19.1 |
|
Sep last |
20.828 |
|
Sep. Now (ρ) |
20.828" |
|
| Mag pri |
10.77 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=1.359
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-01093-1 |
|
Gaia DR2 |
1965047116749910528 |
|
