21306+4742 ES 824
21h 30m 38.04s +47° 42' 53.8" P.A. 353.00 sep 6.0 mag 9.98,10.70 Sp B5V
| Coord 2000 |
21306+4742 |
|
Discov num |
ES 824 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 38.04 +47 42 53.8 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
12 |
|
| Pa first |
4 |
|
Pa last |
353 |
|
P.A. Now (θ) |
353° |
|
| Sep first |
6.6 |
|
Sep last |
6.038 |
|
Sep. Now (ρ) |
6.038" |
|
| Mag pri |
9.98 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1.667
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-02709-1 |
|
Gaia DR2 |
1978334096305228800 |
|
ADS |
15048 |
|
