20420+2317 POU 4885 AC
20h 41m 59.65s +23° 17' 08.3" P.A. 227.00 sep 20.1 mag 12.58,13.50
| Coord 2000 |
20420+2317 |
|
Discov num |
POU4885 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 41 59.65 +23 17 08.3 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
228 |
|
Pa last |
227.4 |
|
P.A. Now (θ) |
227.4° |
|
| Sep first |
20.8 |
|
Sep last |
20.099 |
|
Sep. Now (ρ) |
20.099" |
|
| Mag pri |
12.58 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
0.92 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-069 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=1.028
This double is not physical.
20420+2317 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 41 60 +23 17 08 |
POU 4884 AB |
2014 |
5 |
287 |
6.5 |
12.58 |
13.40 |
0.82 |
|
|
| Show |
|
|
20 41 60 +23 17 08 |
POU 4885 AC |
2015 |
7 |
227 |
20.1 |
12.58 |
13.50 |
0.92 |
|
<=== |
| Show |
|
|
20 41 60 +23 17 08 |
BKO 842 AD |
2015 |
6 |
12 |
14.8 |
12.58 |
14.80 |
2.22 |
|
|
| Show |
|
|
20 41 60 +23 17 08 |
BKO 842 AE |
2015 |
6 |
96 |
21.8 |
12.58 |
14.50 |
1.92 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2170-00163-1 |
|
Gaia DR2 |
1819080797762499328 |
|
