21304+3250 ES 2318
21h 30m 25.16s +32° 49' 50.3" P.A. 78.00 sep 3.7 mag 10.80,12.30
Coord 2000 |
21304+3250 |
|
Discov num |
ES 2318 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 25.16 +32 49 50.3 |
|
Date first |
1927 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
76 |
|
Pa last |
77.9 |
|
P.A. Now (θ) |
77.9° |
|
Sep first |
4.3 |
|
Sep last |
3.746 |
|
Sep. Now (ρ) |
3.746" |
|
Mag pri |
10.80 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-006 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2708-02170-1 |
|
Gaia DR2 |
1854017917178159360 |
|