20425+4916 ARG 39 BD
20h 42m 29.85s +49° 15' 45.7" P.A. 241.00 sep 21.1 mag 8.93,14.30 Sp K0
Coord 2000 |
20425+4916 |
|
Discov num |
ARG 39 |
|
Comp |
BD |
|
Coord arcsec 2000 |
20 42 29.85 +49 15 45.7 |
|
Date first |
1907 |
|
Date last |
2018 |
|
Obs |
12 |
|
Pa first |
232 |
|
Pa last |
240.5 |
|
P.A. Now (θ) |
240.5° |
|
Sep first |
33.5 |
|
Sep last |
21.05 |
|
Sep. Now (ρ) |
21.05" |
|
Mag pri |
8.93 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
5.37 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
-080 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-101 |
|
Sec motion dec |
-001 |
|
Notes |
N
(See Notes) |
|
rPM=0.966
This double is not physical.
20425+4916 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 197548 |
49964 |
20 42 30 +49 15 59 |
ARG 39 AB |
2018 |
76 |
184 |
15.4 |
8.42 |
8.93 |
0.51 |
|
|
Show |
|
49964 |
20 42 30 +49 15 59 |
ARG 39 AF |
2018 |
11 |
258 |
34.4 |
8.42 |
14.00 |
5.58 |
|
|
Show |
|
49964 |
20 42 30 +49 15 59 |
ARG 39 AG |
2018 |
11 |
341 |
52.4 |
8.42 |
13.64 |
5.22 |
|
|
Show |
|
|
20 42 30 +49 15 46 |
ARG 39 BC |
2018 |
15 |
100 |
35.4 |
8.93 |
13.32 |
4.39 |
|
|
Show |
|
|
20 42 30 +49 15 46 |
ARG 39 BD |
2018 |
12 |
241 |
21.1 |
8.93 |
14.30 |
5.37 |
|
<=== |
Show |
|
|
20 42 30 +49 15 46 |
ARG 39 BE |
2018 |
9 |
55 |
44.1 |
8.93 |
15.00 |
6.07 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3582-02133-1 |
|
Gaia DR2 |
2168221334959975424 |
|