21318+4518 POP 150
21h 31m 46.67s +45° 18' 38.4" P.A. 219.00 sep 4.4 mag 10.87,13.90
| Coord 2000 |
21318+4518 |
|
Discov num |
POP 150 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 46.67 +45 18 38.4 |
|
| Date first |
1979 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
222 |
|
Pa last |
219.3 |
|
P.A. Now (θ) |
219.3° |
|
| Sep first |
3.6 |
|
Sep last |
4.393 |
|
Sep. Now (ρ) |
4.393" |
|
| Mag pri |
10.87 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
3.03 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1971133566447823872 |
|
