21069+4256 ES 1580
21h 06m 54.32s +42° 55' 55.0" P.A. 88.00 sep 3.8 mag 10.52,11.01
Coord 2000 |
21069+4256 |
|
Discov num |
ES 1580 |
|
Comp |
|
|
Coord arcsec 2000 |
21 06 54.32 +42 55 55.0 |
|
Date first |
1895 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
89 |
|
Pa last |
88.1 |
|
P.A. Now (θ) |
88.1° |
|
Sep first |
3.5 |
|
Sep last |
3.84 |
|
Sep. Now (ρ) |
3.84" |
|
Mag pri |
10.52 |
|
Mag sec |
11.01 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.464
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3176-00307-1 |
|
Gaia DR2 |
1969737736428997632 |
|