21425+5308 ES 1009
21h 42m 34.21s +53° 08' 58.8" P.A. 298.00 sep 4.2 mag 11.15,11.56
| Coord 2000 |
21425+5308 |
|
Discov num |
ES 1009 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 34.21 +53 08 58.8 |
|
| Date first |
1903 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
295 |
|
Pa last |
297.8 |
|
P.A. Now (θ) |
297.8° |
|
| Sep first |
4.0 |
|
Sep last |
4.25 |
|
Sep. Now (ρ) |
4.25" |
|
| Mag pri |
11.15 |
|
Mag sec |
11.56 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.228 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3967-00331-1 |
|
Gaia DR2 |
2173428656390615424 |
|
ADS |
15253 |
|
