20486+3424 ES 249
20h 47m 36.47s +34° 23' 52.3" P.A. 26.00 sep 7.7 mag 10.73,11.80
| Coord 2000 |
20486+3424 |
|
Discov num |
ES 249 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 36.47 +34 23 52.3 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
22 |
|
Pa last |
25.8 |
|
P.A. Now (θ) |
25.8° |
|
| Sep first |
5.4 |
|
Sep last |
7.744 |
|
Sep. Now (ρ) |
7.744" |
|
| Mag pri |
10.73 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
1.07 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+028 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
+015 |
|
| Notes |
|
|
rPM=1.048
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2695-03185-1 |
|
Gaia DR2 |
1869340333274508032 |
|
