21144+4219 ES 1581
21h 14m 22.31s +42° 19' 18.4" P.A. 50.00 sep 4.6 mag 11.64,11.80
Coord 2000 |
21144+4219 |
|
Discov num |
ES 1581 |
|
Comp |
|
|
Coord arcsec 2000 |
21 14 22.31 +42 19 18.4 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
47 |
|
Pa last |
49.5 |
|
P.A. Now (θ) |
49.5° |
|
Sep first |
4.6 |
|
Sep last |
4.649 |
|
Sep. Now (ρ) |
4.649" |
|
Mag pri |
11.64 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
+071 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
+037 |
|
Notes |
|
|
rPM=1.191
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3177-02548-1 |
|
Gaia DR2 |
1969050369866374144 |
|