21108+3818 ALI 682
21h 10m 47.29s +38° 17' 52.5" P.A. 129.00 sep 8.9 mag 12.10,12.20
| Coord 2000 |
21108+3818 |
|
Discov num |
ALI 682 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 47.29 +38 17 52.5 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
108 |
|
Pa last |
128.8 |
|
P.A. Now (θ) |
128.8° |
|
| Sep first |
11.7 |
|
Sep last |
8.876 |
|
Sep. Now (ρ) |
8.876" |
|
| Mag pri |
12.10 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+026 |
|
Sec motion ra |
-016 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-019 |
|
| Notes |
|
|
rPM=1.801
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1868979757871814016 |
|
