20178+5717 KR 50 AB (HD 193511)
20h 17m 46.12s +57° 17' 16.4" P.A. 128.00 sep 2.1 mag 8.55,9.99 Sp K0
| Coord 2000 |
20178+5717 |
|
Discov num |
KR 50 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 17 46.12 +57 17 16.4 |
|
| Date first |
1890 |
|
Date last |
2021 |
|
Obs |
17 |
|
| Pa first |
131 |
|
Pa last |
128.4 |
|
P.A. Now (θ) |
128.4° |
|
| Sep first |
2.2 |
|
Sep last |
2.077 |
|
Sep. Now (ρ) |
2.077" |
|
| Mag pri |
8.55 |
|
Mag sec |
9.99 |
|
delta mag (ΔM) |
1.44 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+084 |
|
Sec motion ra |
+084 |
|
| Pri motion dec |
+049 |
|
Sec motion dec |
+049 |
|
| Notes |
|
|
Nature of this double is uncertain.
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 |
2021 |
17 |
128 |
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
| Name |
HD 193511 |
|
Constellation |
Cygnus |
|
Tycho2 |
3945-00886-1 |
|
Gaia DR2 |
2187944477607218944 |
|
| HD |
193511 |
|
