20328+3954 ES 1680 BC
20h 32m 45.08s +39° 55' 11.5" P.A. 27.00 sep 2.8 mag 11.56,12.30
| Coord 2000 |
20328+3954 |
|
Discov num |
ES 1680 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 32 45.08 +39 55 11.5 |
|
| Date first |
1917 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
21 |
|
Pa last |
27.3 |
|
P.A. Now (θ) |
27.3° |
|
| Sep first |
2.3 |
|
Sep last |
2.801 |
|
Sep. Now (ρ) |
2.801" |
|
| Mag pri |
11.56 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
-040 |
|
Sec motion dec |
+083 |
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=1.442
This double is not physical.
20328+3954 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 32 45 +39 54 21 |
ES 1680 AB |
2015 |
9 |
4 |
50.7 |
9.91 |
11.56 |
1.65 |
|
|
| Show |
|
|
20 32 45 +39 55 12 |
ES 1680 BC |
2016 |
8 |
27 |
2.8 |
11.56 |
12.30 |
0.74 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3157-00300-1 |
|
Gaia DR2 |
2064318340822356096 |
|
