20305+3540 SEI 1142
20h 30m 28.65s +35° 39' 54.4" P.A. 78.00 sep 21.7 mag 10.43,9.69
| Coord 2000 |
20305+3540 |
|
Discov num |
SEI1142 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 28.65 +35 39 54.4 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
77 |
|
Pa last |
78 |
|
P.A. Now (θ) |
78° |
|
| Sep first |
22.2 |
|
Sep last |
21.653 |
|
Sep. Now (ρ) |
21.653" |
|
| Mag pri |
10.43 |
|
Mag sec |
9.69 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.605
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2697-01376-1 |
|
Gaia DR2 |
2056781605234000256 |
|
