20189+3945 COU 2537 (HD 228875)
20h 18m 53.24s +39° 45' 09.5" P.A. 295.00 sep 0.8 mag 10.05,10.29 Sp B1III
Coord 2000 |
20189+3945 |
|
Discov num |
COU2537 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 53.24 +39 45 09.5 |
|
Date first |
1989 |
|
Date last |
2014 |
|
Obs |
4 |
|
Pa first |
295 |
|
Pa last |
294.6 |
|
P.A. Now (θ) |
294.6° |
|
Sep first |
0.5 |
|
Sep last |
0.762 |
|
Sep. Now (ρ) |
0.762" |
|
Mag pri |
10.05 |
|
Mag sec |
10.29 |
|
delta mag (ΔM) |
0.24 |
|
Spectral class |
B1III (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228875 |
|
Constellation |
Cygnus |
|
SAO |
69817 |
|
Tycho2 |
3155-00048-1 |
|
Gaia DR2 |
2062237411992140800 |
|
HD |
228875 |
|