21047+3908 SEI 1393
21h 04m 40.24s +39° 07' 59.3" P.A. 132.00 sep 25.7 mag 9.67,10.58
Coord 2000 |
21047+3908 |
|
Discov num |
SEI1393 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 40.24 +39 07 59.3 |
|
Date first |
1895 |
|
Date last |
2017 |
|
Obs |
13 |
|
Pa first |
142 |
|
Pa last |
132.4 |
|
P.A. Now (θ) |
132.4° |
|
Sep first |
28.0 |
|
Sep last |
25.704 |
|
Sep. Now (ρ) |
25.704" |
|
Mag pri |
9.67 |
|
Mag sec |
10.58 |
|
delta mag (ΔM) |
0.91 |
|
Spectral class |
|
|
Pri motion ra |
-008 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-038 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.986
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3168-02768-1 |
|
Gaia DR2 |
1872254691917535232 |
|