20478+3840 SEI 1251
20h 47m 47.55s +38° 39' 33.1" P.A. 42.00 sep 15.2 mag 11.41,12.90
| Coord 2000 |
20478+3840 |
|
Discov num |
SEI1251 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 47.55 +38 39 33.1 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
37 |
|
Pa last |
41.8 |
|
P.A. Now (θ) |
41.8° |
|
| Sep first |
14.5 |
|
Sep last |
15.157 |
|
Sep. Now (ρ) |
15.157" |
|
| Mag pri |
11.41 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.49 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.85
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3166-01562-1 |
|
Gaia DR2 |
2063401318072089344 |
|
