20408+1956 RAO 23 Ca,Cb
20h 40m 44.52s +19° 54' 03.1" P.A. 227.00 sep 0.2 mag 11.95,12.00
| Coord 2000 |
20408+1956 |
|
Discov num |
RAO 23 |
|
Comp |
Ca,Cb |
|
Coord arcsec 2000 |
20 40 44.52 +19 54 03.1 |
|
| Date first |
2012 |
|
Date last |
2021 |
|
Obs |
6 |
|
| Pa first |
227 |
|
Pa last |
226.9 |
|
P.A. Now (θ) |
226.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.174 |
|
Sep. Now (ρ) |
0.174" |
|
| Mag pri |
11.95 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
|
|
| Pri motion ra |
+114 |
|
Sec motion ra |
|
|
| Pri motion dec |
+320 |
|
Sec motion dec |
|
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
20408+1956 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 197076 |
106373 |
20 40 45 +19 56 08 |
BUP 215 AB |
1997 |
5 |
25 |
69.4 |
6.45 |
11.90 |
5.45 |
|
|
| Show |
|
106373 |
20 40 45 +19 56 08 |
LDS 1045 AC |
2010 |
8 |
184 |
125.2 |
6.45 |
11.95 |
5.50 |
|
|
| Show |
|
|
20 40 45 +19 54 03 |
RAO 23 Ca,Cb |
2021 |
6 |
227 |
0.2 |
11.95 |
12.00 |
0.05 |
|
<=== |
| Show |
|
|
20 40 45 +19 54 03 |
RAO 23 CD |
2013 |
3 |
303 |
20.3 |
11.95 |
14.60 |
2.65 |
|
|
| Show |
|
|
20 40 45 +19 54 03 |
RAO 23 CE |
2013 |
3 |
327 |
29.4 |
11.95 |
15.00 |
3.05 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
