20309+1126 LAU   4AB

 
 
20h 30m 53.76s +11 26' 09.7" P.A. 272 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
272
P.A. Now (θ)
272°
Sep first
25.5
Sep last
28.1
Sep. Now (ρ)
28.1"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20309+1126 STJ 5 Aa,Ab 2015 2018 2 140 0.9 10.00 10.50 0.50
Show 20309+1126 LAU 4 AB 1907 2016 14 272 28.1 10.00 11.26 1.26 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.1
Precise sep
28.109
Constellation
Delphinus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20309+1126 LAU 4 AB 2016 14 272 28.1 10.00 11.26 F5 N 203053.76+112609.7

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