21055+4758 ES 816
21h 05m 33.29s +47° 58' 10.2" P.A. 36.00 sep 2.6 mag 9.86,10.83
| Coord 2000 |
21055+4758 |
|
Discov num |
ES 816 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 33.29 +47 58 10.2 |
|
| Date first |
1909 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
34 |
|
Pa last |
35.6 |
|
P.A. Now (θ) |
35.6° |
|
| Sep first |
2.6 |
|
Sep last |
2.64 |
|
Sep. Now (ρ) |
2.64" |
|
| Mag pri |
9.86 |
|
Mag sec |
10.83 |
|
delta mag (ΔM) |
0.97 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+028 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
+020 |
|
| Notes |
|
|
rPM=0.925
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3592-04173-2 |
|
Gaia DR2 |
2165431049330930048 |
|
ADS |
14624 |
|
