20555+3909 MLB 887
20h 55m 30.26s +39° 09' 34.6" P.A. 246.00 sep 10.4 mag 11.60,14.40
| Coord 2000 |
20555+3909 |
|
Discov num |
MLB 887 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 30.26 +39 09 34.6 |
|
| Date first |
1932 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
245 |
|
Pa last |
245.9 |
|
P.A. Now (θ) |
245.9° |
|
| Sep first |
8.0 |
|
Sep last |
10.38 |
|
Sep. Now (ρ) |
10.38" |
|
| Mag pri |
11.60 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.873
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3167-02206-1 |
|
Gaia DR2 |
1872830385033973504 |
|
