20546+3900 SEI 1308
20h 54m 39.46s +38° 59' 48.1" P.A. 93.00 sep 6.0 mag 10.83,12.70 Sp B9III
Coord 2000 |
20546+3900 |
|
Discov num |
SEI1308 |
|
Comp |
|
|
Coord arcsec 2000 |
20 54 39.46 +38 59 48.1 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
96 |
|
Pa last |
93.1 |
|
P.A. Now (θ) |
93.1° |
|
Sep first |
5.7 |
|
Sep last |
5.982 |
|
Sep. Now (ρ) |
5.982" |
|
Mag pri |
10.83 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
1.87 |
|
Spectral class |
B9III (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-002 |
|
Notes |
B
(Blue magnitudes) |
|
rPM=0.62
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3167-01800-1 |
|
Gaia DR2 |
1872807024714710528 |
|