19521+3148 ES 2428AB

 
 
19h 52m 08.30s +31 47' 46.0" P.A. 90 sep 89.1 mag 8.82,11.10 Sp B8
 
 
Coord 2000
19521+3148
Discov num
ES 2428
Comp
AB
Coord arcsec 2000
19 52 08.30 +31 47 46.0
Date first
1902
Date last
2014
Obs
6
Pa first
90
Pa last
90
P.A. Now (θ)
90°
Sep first
87.7
Sep last
89.1
Sep. Now (ρ)
89.1"
Mag pri
8.82
Mag sec
11.10
delta mag (ΔM)
2.28
Spectral class
B8 (blue-white)
Pri motion ra
+002
Sec motion ra
+020
Pri motion dec
+002
Sec motion dec
-006
Notes
rPM=0.943
This double is not physical.
 
 
19521+3148 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19521+3148 ES 2428 AB 1902 2014 6 90 89.1 8.82 11.10 2.28 <===
Show 19521+3148 ES 2428 BC 1930 2006 4 255 4.9 11.10 11.10 0.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90.1
Precise sep
89.106
Cdsa2 id
ES 2428 AB
Constellation
Cygnus
Ra deg
19.868972222222222
De deg
31.796111111111113
last precise pa
90.1
last precise sep
89.106
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19521+3148 ES 2428 AB 1930 2 92 87.0 8.60 11.10 B8 195208.30+314746.0
19521+3148 ES 2428 AB 1998 3 90 89.0 8.60 11.10 B8 195208.30+314746.0
19521+3148 ES 2428 AB 2011 4 90 89.2 8.60 11.10 B8 195208.30+314746.0
19521+3148 ES 2428 AB 2014 6 90 89.1 8.60 11.10 B8 195208.30+314746.0

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