20178+5717 KR 50 CD
20h 17m 54.08s +57° 17' 36.3" P.A. 355.00 sep 1.7 mag 11.54,12.50
| Coord 2000 |
20178+5717 |
|
Discov num |
KR 50 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 17 54.08 +57 17 36.3 |
|
| Date first |
1909 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
102 |
|
Pa last |
354.9 |
|
P.A. Now (θ) |
354.9° |
|
| Sep first |
3.4 |
|
Sep last |
1.656 |
|
Sep. Now (ρ) |
1.656" |
|
| Mag pri |
11.54 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
|
|
| Pri motion ra |
+020 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
+016 |
|
Sec motion dec |
+018 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.11 (< 0.3, Physical double)
This double is physical.
20178+5717 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 193511 |
|
20 17 46 +57 17 16 |
KR 50 AB |
2016 |
16 |
129 |
2.1 |
8.55 |
9.99 |
1.44 |
|
|
| Show |
|
|
20 17 46 +57 17 16 |
KR 50 AC |
2015 |
7 |
73 |
66.6 |
8.55 |
11.54 |
2.99 |
|
|
| Show |
|
|
20 17 54 +57 17 36 |
KR 50 CD |
2016 |
3 |
355 |
1.7 |
11.54 |
12.50 |
0.96 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3945-00178-1 |
|
Gaia DR2 |
2187950181328033280 |
|
