21526+4909 COU 2445
21h 52m 34.56s +49° 09' 49.4" P.A. 18.00 sep 1.4 mag 11.15,11.10
Coord 2000 |
21526+4909 |
|
Discov num |
COU2445 |
|
Comp |
|
|
Coord arcsec 2000 |
21 52 34.56 +49 09 49.4 |
|
Date first |
1986 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
17 |
|
Pa last |
18.3 |
|
P.A. Now (θ) |
18.3° |
|
Sep first |
1.1 |
|
Sep last |
1.416 |
|
Sep. Now (ρ) |
1.416" |
|
Mag pri |
11.15 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
|
|
Pri motion ra |
-009 |
|
Sec motion ra |
-010 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.037 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3612-02188-1 |
|
Gaia DR2 |
1979444499966912000 |
|