20309+1126 LAU 4 AB
20h 30m 53.76s +11° 26' 09.7" P.A. 271.00 sep 28.1 mag 10.00,11.26 Sp F5
Coord 2000 |
20309+1126 |
|
Discov num |
LAU 4 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 30 53.76 +11 26 09.7 |
|
Date first |
1907 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
278 |
|
Pa last |
271.4 |
|
P.A. Now (θ) |
271.4° |
|
Sep first |
25.5 |
|
Sep last |
28.109 |
|
Sep. Now (ρ) |
28.109" |
|
Mag pri |
10.00 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
1.26 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+022 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
+018 |
|
Sec motion dec |
-001 |
|
Notes |
N
(See Notes) |
|
rPM=0.97
This double is not physical.
20309+1126 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 30 54 +11 26 10 |
STJ 5 Aa,Ab |
2018 |
3 |
140 |
0.9 |
10.00 |
10.50 |
0.50 |
|
|
Show |
|
|
20 30 54 +11 26 10 |
LAU 4 AB |
2016 |
14 |
271 |
28.1 |
10.00 |
11.26 |
1.26 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS