20414+4758 ES 809 AB
20h 41m 24.21s +47° 59' 40.6" P.A. 285.00 sep 1.6 mag 11.46,12.03 Sp OB-
Coord 2000 |
20414+4758 |
|
Discov num |
ES 809 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 41 24.21 +47 59 40.6 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
271 |
|
Pa last |
284.9 |
|
P.A. Now (θ) |
284.9° |
|
Sep first |
2.6 |
|
Sep last |
1.57 |
|
Sep. Now (ρ) |
1.57" |
|
Mag pri |
11.46 |
|
Mag sec |
12.03 |
|
delta mag (ΔM) |
0.57 |
|
Spectral class |
OB- (blue) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
Nature of this double is uncertain.
20414+4758 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 41 24 +47 59 41 |
ES 809 AB |
2015 |
5 |
285 |
1.6 |
11.46 |
12.03 |
0.57 |
|
<=== |
Show |
|
|
20 41 24 +47 59 41 |
SKF 2394 AC |
2015 |
6 |
68 |
3.0 |
11.46 |
13.00 |
1.54 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3578-02948-1 |
|
Gaia DR2 |
2167586362688808576 |
|
ADS |
14173 |
|