21181+3854 SEI 1494
21h 18m 03.06s +38° 54' 17.3" P.A. 357.00 sep 24.5 mag 10.84,11.23
| Coord 2000 |
21181+3854 |
|
Discov num |
SEI1494 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 03.06 +38 54 17.3 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
24 |
|
| Pa first |
9 |
|
Pa last |
357.2 |
|
P.A. Now (θ) |
357.2° |
|
| Sep first |
28.5 |
|
Sep last |
24.537 |
|
Sep. Now (ρ) |
24.537" |
|
| Mag pri |
10.84 |
|
Mag sec |
11.23 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
|
|
| Pri motion ra |
+033 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
-019 |
|
| Notes |
L
(Linear solution) |
|
rPM=1.574
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-02997-1 |
|
Gaia DR2 |
1964938265097831040 |
|
