20409+4828 ES 808
20h 40m 56.22s +48° 28' 00.9" P.A. 157.00 sep 3.3 mag 10.25,11.60
Coord 2000 |
20409+4828 |
|
Discov num |
ES 808 |
|
Comp |
|
|
Coord arcsec 2000 |
20 40 56.22 +48 28 00.9 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
155 |
|
Pa last |
156.9 |
|
P.A. Now (θ) |
156.9° |
|
Sep first |
3.5 |
|
Sep last |
3.305 |
|
Sep. Now (ρ) |
3.305" |
|
Mag pri |
10.25 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.35 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3578-02084-1 |
|
Gaia DR2 |
2167792800302137600 |
|
ADS |
14164 |
|