20306+3850 SEI 1144
20h 30m 34.73s +38° 50' 12.8" P.A. 177.00 sep 18.1 mag 11.39,13.00
| Coord 2000 |
20306+3850 |
|
Discov num |
SEI1144 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 34.73 +38 50 12.8 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
159 |
|
Pa last |
177.3 |
|
P.A. Now (θ) |
177.3° |
|
| Sep first |
13.7 |
|
Sep last |
18.075 |
|
Sep. Now (ρ) |
18.075" |
|
| Mag pri |
11.39 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-037 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-050 |
|
| Notes |
|
|
rPM=0.921
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3153-00819-1 |
|
Gaia DR2 |
2064119470956120960 |
|
