20311+3854 SEI 1149
20h 31m 04.39s +38° 54' 31.9" P.A. 203.00 sep 19.6 mag 11.98,12.50
| Coord 2000 |
20311+3854 |
|
Discov num |
SEI1149 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 04.39 +38 54 31.9 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
202 |
|
Pa last |
202.8 |
|
P.A. Now (θ) |
202.8° |
|
| Sep first |
18.9 |
|
Sep last |
19.638 |
|
Sep. Now (ρ) |
19.638" |
|
| Mag pri |
11.98 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.52 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.632
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3153-01196-1 |
|
Gaia DR2 |
2064214613068839680 |
|
