20478+4754 ES 2253
20h 47m 34.65s +47° 54' 24.0" P.A. 335.00 sep 3.4 mag 12.42,12.60
Coord 2000 |
20478+4754 |
|
Discov num |
ES 2253 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 34.65 +47 54 24.0 |
|
Date first |
1901 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
358 |
|
Pa last |
334.5 |
|
P.A. Now (θ) |
334.5° |
|
Sep first |
3.1 |
|
Sep last |
3.396 |
|
Sep. Now (ρ) |
3.396" |
|
Mag pri |
12.42 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-019 |
|
Sec motion dec |
+005 |
|
Notes |
|
|
rPM=1.352
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2166788190281937024 |
|