21389+4249 J 1232
21h 38m 48.50s +42° 50' 26.4" P.A. 204.00 sep 2.7 mag 12.20,12.50
| Coord 2000 |
21389+4249 |
|
Discov num |
J 1232 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 48.50 +42 50 26.4 |
|
| Date first |
1915 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
210 |
|
Pa last |
204.3 |
|
P.A. Now (θ) |
204.3° |
|
| Sep first |
2.6 |
|
Sep last |
2.683 |
|
Sep. Now (ρ) |
2.683" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-041 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-093 |
|
| Notes |
|
|
rPM=1.008
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1966909788223156096 |
|
ADS |
15175 |
|
