21301+4539 POP 149
21h 30m 09.15s +45° 38' 49.0" P.A. 296.00 sep 3.9 mag 12.20,12.50
| Coord 2000 |
21301+4539 |
|
Discov num |
POP 149 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 09.15 +45 38 49.0 |
|
| Date first |
1978 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
296 |
|
Pa last |
295.8 |
|
P.A. Now (θ) |
295.8° |
|
| Sep first |
3.0 |
|
Sep last |
3.934 |
|
Sep. Now (ρ) |
3.934" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+049 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1971342679817492992 |
|
