20185+3916 MLB 881 (HD 228847)
20h 18m 31.49s +39° 16' 03.9" P.A. 145.00 sep 10.3 mag 9.91,11.60 Sp G0
Coord 2000 |
20185+3916 |
|
Discov num |
MLB 881 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 31.49 +39 16 03.9 |
|
Date first |
1933 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
117 |
|
Pa last |
144.8 |
|
P.A. Now (θ) |
144.8° |
|
Sep first |
8.4 |
|
Sep last |
10.337 |
|
Sep. Now (ρ) |
10.337" |
|
Mag pri |
9.91 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.69 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
+009 |
|
Pri motion dec |
+052 |
|
Sec motion dec |
-013 |
|
Notes |
|
|
rPM=1.202
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228847 |
|
Constellation |
Cygnus |
|
Tycho2 |
3151-00048-1 |
|
Gaia DR2 |
2061469957178435712 |
|
HD |
228847 |
|