18546+3656 ELS   7AB

 
 
18h 54m 37.55s +36 55' 48.5" P.A. 339 sep 8.5 mag 13.60,13.80
 
 
Coord 2000
18546+3656
Discov num
ELS   7
Comp
AB
Coord arcsec 2000
18 54 37.55 +36 55 48.5
Date first
1924
Date last
2012
Obs
6
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
8.7
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
13.60
Mag sec
13.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+031
Sec motion ra
-028
Pri motion dec
-112
Sec motion dec
+042
Notes
rPM=1.419
This double is not physical.
 
 
18546+3656 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18546+3656 ELS 7 AB 1924 2012 6 339 8.5 13.60 13.80 0.20 <===
Show 18546+3656 ELS 7 AC 1924 2012 5 121 10.1 13.60 16.00 2.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.5
Precise sep
8.5
Cdsa2 id
ELS 7 AB
Constellation
Lyra
Ra deg
18.910430555555553
De deg
36.930138888888884
last precise pa
338.5
last precise sep
8.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18546+3656 ELS 7 AB 2007 4 339 8.5 11.00 15.79 185410.00+365600.0
18546+3656 ELS 7 AB 2012 6 339 8.5 13.60 13.80 185437.55+365548.5

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