20139+3545 COU 2215 (HD 228439)
20h 13m 54.80s +35° 45' 01.5" P.A. 75.00 sep 0.7 mag 9.86,10.38 Sp F8
| Coord 2000 |
20139+3545 |
|
Discov num |
COU2215 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 54.80 +35 45 01.5 |
|
| Date first |
1984 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
78 |
|
Pa last |
74.9 |
|
P.A. Now (θ) |
74.9° |
|
| Sep first |
0.5 |
|
Sep last |
0.689 |
|
Sep. Now (ρ) |
0.689" |
|
| Mag pri |
9.86 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
0.52 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228439 |
|
Constellation |
Cygnus |
|
Tycho2 |
2683-03919-1 |
|
Gaia DR2 |
2058899225974734464 |
|
| HD |
228439 |
|
