21184+3943 SEI 1497
21h 18m 24.61s +39° 43' 26.4" P.A. 213.00 sep 10.0 mag 11.33,10.52
Coord 2000 |
21184+3943 |
|
Discov num |
SEI1497 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 24.61 +39 43 26.4 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
207 |
|
Pa last |
212.9 |
|
P.A. Now (θ) |
212.9° |
|
Sep first |
10.0 |
|
Sep last |
10.019 |
|
Sep. Now (ρ) |
10.019" |
|
Mag pri |
11.33 |
|
Mag sec |
10.52 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
+000 |
|
Notes |
N
(See Notes) |
|
rPM=1
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3173-02776-1 |
|
Gaia DR2 |
1965186342408974080 |
|