20181+3315 SEI 1072 (HD 228805)
20h 18m 08.66s +33° 15' 05.4" P.A. 328.00 sep 17.7 mag 10.11,11.53 Sp A5
Coord 2000 |
20181+3315 |
|
Discov num |
SEI1072 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 08.66 +33 15 05.4 |
|
Date first |
1893 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
327 |
|
Pa last |
328.3 |
|
P.A. Now (θ) |
328.3° |
|
Sep first |
18.1 |
|
Sep last |
17.673 |
|
Sep. Now (ρ) |
17.673" |
|
Mag pri |
10.11 |
|
Mag sec |
11.53 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
Notes |
|
|
rPM=0.177 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228805 |
|
Constellation |
Cygnus |
|
Tycho2 |
2676-00565-1 |
|
Gaia DR2 |
2054619999738351872 |
|
HD |
228805 |
|