20378+2943 A 742 A,BC (HD 196655)
20h 37m 50.18s +29° 43' 17.8" P.A. 343.00 sep 56.8 mag 8.25,10.35 Sp A2 dist. 249.38 pc (813.48 l.y.)
| Coord 2000 |
20378+2943 |
|
Discov num |
A 742 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
20 37 50.18 +29 43 17.8 |
|
| Date first |
1894 |
|
Date last |
2012 |
|
Obs |
11 |
|
| Pa first |
344 |
|
Pa last |
343.3 |
|
P.A. Now (θ) |
343.3° |
|
| Sep first |
57.7 |
|
Sep last |
56.78 |
|
Sep. Now (ρ) |
56.78" |
|
| Mag pri |
8.25 |
|
Mag sec |
10.35 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-019 |
|
| Notes |
Z
(Parallax indicates components are physical) |
|
rPM=0.548
This double is physical.
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
| Name |
HD 196655 |
|
Constellation |
Cygnus |
|
HIP |
101803 |
|
Tycho2 |
2169-00544-1 |
|
| Gaia DR2 |
1857714990669361024 |
|
HD |
196655 |
|
BD |
BD+29 4112 |
|
Distance |
249.38 |
|
| Distance ly |
813.48 |
|
