21075+3831 SEI 1408
21h 07m 30.40s +38° 31' 20.5" P.A. 54.00 sep 9.3 mag 11.10,11.80
| Coord 2000 |
21075+3831 |
|
Discov num |
SEI1408 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 30.40 +38 31 20.5 |
|
| Date first |
1895 |
|
Date last |
2022 |
|
Obs |
12 |
|
| Pa first |
53 |
|
Pa last |
53.5 |
|
P.A. Now (θ) |
53.5° |
|
| Sep first |
8.6 |
|
Sep last |
9.27 |
|
Sep. Now (ρ) |
9.27" |
|
| Mag pri |
11.10 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-001 |
|
| Notes |
N
(See Notes) |
|
rPM=1.043
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1872022935483240960 |
|