20343+4520 ES 804 AB
20h 34m 18.83s +45° 20' 23.3" P.A. 117.00 sep 30.8 mag 10.56,11.52
Coord 2000 |
20343+4520 |
|
Discov num |
ES 804 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 34 18.83 +45 20 23.3 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
117 |
|
Pa last |
117.2 |
|
P.A. Now (θ) |
117.2° |
|
Sep first |
33.5 |
|
Sep last |
30.77 |
|
Sep. Now (ρ) |
30.77" |
|
Mag pri |
10.56 |
|
Mag sec |
11.52 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
|
|
Pri motion ra |
+016 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=1.316
This double is not physical.
20343+4520 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 34 19 +45 20 23 |
ES 804 AB |
2015 |
12 |
117 |
30.8 |
10.56 |
11.52 |
0.96 |
|
<=== |
Show |
|
|
20 34 21 +45 20 09 |
ES 804 BC |
2009 |
4 |
128 |
2.2 |
11.52 |
12.60 |
1.08 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3573-00570-1 |
|
Gaia DR2 |
2070740691319442560 |
|