21077+5019 ROE 90
21h 09m 42.41s +50° 39' 16.7" P.A. 48.00 sep 10.1 mag 10.91,12.00
| Coord 2000 |
21077+5019 |
|
Discov num |
ROE 90 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 42.41 +50 39 16.7 |
|
| Date first |
1902 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
45 |
|
Pa last |
47.6 |
|
P.A. Now (θ) |
47.6° |
|
| Sep first |
9.4 |
|
Sep last |
10.148 |
|
Sep. Now (ρ) |
10.148" |
|
| Mag pri |
10.91 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1.09 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=0.894
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2169192547312887168 |
|
