20143+4115 COU 2639 (HD 228496)
20h 14m 19.75s +41° 15' 27.6" P.A. 244.00 sep 0.4 mag 10.91,10.98 Sp B2
Coord 2000 |
20143+4115 |
|
Discov num |
COU2639 |
|
Comp |
|
|
Coord arcsec 2000 |
20 14 19.75 +41 15 27.6 |
|
Date first |
1990 |
|
Date last |
2008 |
|
Obs |
4 |
|
Pa first |
262 |
|
Pa last |
244 |
|
P.A. Now (θ) |
244° |
|
Sep first |
0.4 |
|
Sep last |
0.445 |
|
Sep. Now (ρ) |
0.445" |
|
Mag pri |
10.91 |
|
Mag sec |
10.98 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
B2 (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228496 |
|
Constellation |
Cygnus |
|
SAO |
49344 |
|
Tycho2 |
3159-00733-1 |
|
Gaia DR2 |
2062631243311772800 |
|
HD |
228496 |
|