20425+4916 ARG 39 AF
20h 42m 29.79s +49° 15' 59.1" P.A. 258.00 sep 34.4 mag 8.42,14.00 Sp K5
| Coord 2000 |
20425+4916 |
|
Discov num |
ARG 39 |
|
Comp |
AF |
|
Coord arcsec 2000 |
20 42 29.79 +49 15 59.1 |
|
| Date first |
1909 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
258 |
|
Pa last |
258 |
|
P.A. Now (θ) |
258° |
|
| Sep first |
30.7 |
|
Sep last |
34.375 |
|
Sep. Now (ρ) |
34.375" |
|
| Mag pri |
8.42 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
5.58 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
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 |
|
SAO |
49964 |
|
Tycho2 |
3582-01449-1 |
|
Gaia DR2 |
2168221334959976320 |
|
| HD |
197548 |
|
