21051+3914 ES 1987
21h 05m 03.57s +39° 14' 20.2" P.A. 354.00 sep 7.0 mag 10.19,11.80
Coord 2000 |
21051+3914 |
|
Discov num |
ES 1987 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 03.57 +39 14 20.2 |
|
Date first |
1922 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
355 |
|
Pa last |
353.6 |
|
P.A. Now (θ) |
353.6° |
|
Sep first |
6.6 |
|
Sep last |
6.999 |
|
Sep. Now (ρ) |
6.999" |
|
Mag pri |
10.19 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
+028 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
rPM=1.082
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3168-01960-1 |
|
Gaia DR2 |
1872262766456329216 |
|