21189+4351 COU 2438
21h 18m 52.31s +43° 49' 41.5" P.A. 254.00 sep 1.4 mag 10.30,11.00
| Coord 2000 |
21189+4351 |
|
Discov num |
COU2438 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 52.31 +43 49 41.5 |
|
| Date first |
1986 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
256 |
|
Pa last |
254.3 |
|
P.A. Now (θ) |
254.3° |
|
| Sep first |
1.3 |
|
Sep last |
1.402 |
|
Sep. Now (ρ) |
1.402" |
|
| Mag pri |
10.30 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
+016 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3181-00600-1 |
|
Gaia DR2 |
1971462732726699776 |
|
