20564+4308 COU 2544
20h 56m 24.09s +43° 07' 46.5" P.A. 160.00 sep 0.4 mag 8.98,9.88 Sp B0III: dist. 349.65 pc (1140.56 l.y.)
Coord 2000 |
20564+4308 |
|
Discov num |
COU2544 |
|
Comp |
|
|
Coord arcsec 2000 |
20 56 24.09 +43 07 46.5 |
|
Date first |
1988 |
|
Date last |
2014 |
|
Obs |
9 |
|
Pa first |
156 |
|
Pa last |
160.2 |
|
P.A. Now (θ) |
160.2° |
|
Sep first |
0.3 |
|
Sep last |
0.359 |
|
Sep. Now (ρ) |
0.359" |
|
Mag pri |
8.98 |
|
Mag sec |
9.88 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
B0III: (blue-white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
103355 |
|
Tycho2 |
3179-00476-1 |
|
Gaia DR2 |
2162035138938026240 |
|
BD |
BD+42 3914 |
|
Distance |
349.65 |
|
Distance ly |
1140.56 |
|