20187+4113 COU 2640 (HD 228864)
20h 18m 42.32s +41° 13' 31.1" P.A. 265.00 sep 0.5 mag 10.72,10.71 Sp G5
Coord 2000 |
20187+4113 |
|
Discov num |
COU2640 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 42.32 +41 13 31.1 |
|
Date first |
1991 |
|
Date last |
2014 |
|
Obs |
5 |
|
Pa first |
262 |
|
Pa last |
264.9 |
|
P.A. Now (θ) |
264.9° |
|
Sep first |
0.4 |
|
Sep last |
0.487 |
|
Sep. Now (ρ) |
0.487" |
|
Mag pri |
10.72 |
|
Mag sec |
10.71 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228864 |
|
Constellation |
Cygnus |
|
Tycho2 |
3155-00011-1 |
|
Gaia DR2 |
2068380795768144256 |
|
HD |
228864 |
|