21386+4747 COU 2311
21h 38m 34.64s +47° 45' 17.3" P.A. 241.00 sep 1.0 mag 11.80,12.70
Coord 2000 |
21386+4747 |
|
Discov num |
COU2311 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 34.64 +47 45 17.3 |
|
Date first |
1985 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
247 |
|
Pa last |
241.4 |
|
P.A. Now (θ) |
241.4° |
|
Sep first |
0.8 |
|
Sep last |
0.964 |
|
Sep. Now (ρ) |
0.964" |
|
Mag pri |
11.80 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
|
|
Pri motion dec |
-008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3595-00635-1 |
|
Gaia DR2 |
1977622471753327744 |
|