20378+2943 A 742 BC
20h 37m 48.90s +29° 44' 12.8" P.A. 132.00 sep 1.2 mag 10.36,10.90 dist. 123.61 pc (403.22 l.y.)
| Coord 2000 |
20378+2943 |
|
Discov num |
A 742 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 37 48.90 +29 44 12.8 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
23 |
|
| Pa first |
127 |
|
Pa last |
131.7 |
|
P.A. Now (θ) |
131.7° |
|
| Sep first |
1.0 |
|
Sep last |
1.198 |
|
Sep. Now (ρ) |
1.198" |
|
| Mag pri |
10.36 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-016 |
|
| Notes |
|
|
Nature of this double is uncertain.
20378+2943 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 196655 |
|
20 37 50 +29 43 18 |
A 742 A,BC |
2012 |
11 |
343 |
56.8 |
8.25 |
10.35 |
2.10 |
|
|
| Show |
|
|
20 37 49 +29 44 13 |
A 742 BC |
2016 |
23 |
132 |
1.2 |
10.36 |
10.90 |
0.54 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
101798 |
|
Tycho2 |
2169-00406-1 |
|
Gaia DR2 |
1857726776059633792 |
|
| Distance |
123.61 |
|
Distance ly |
403.22 |
|
