18546+3656 ELS   7AC

 
 
18h 54m 37.55s +36 55' 48.5" P.A. 121 sep 10.1 mag 13.60,16.00
 
 
Coord 2000
18546+3656
Discov num
ELS   7
Comp
AC
Coord arcsec 2000
18 54 37.55 +36 55 48.5
Date first
1924
Date last
2012
Obs
5
Pa first
118
Pa last
121
P.A. Now (θ)
121°
Sep first
11.8
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
13.60
Mag sec
16.00
delta mag (ΔM)
2.4
Spectral class
Pri motion ra
+031
Sec motion ra
Pri motion dec
-112
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
120.9
Precise sep
10.1
Constellation
Lyra
last precise pa
120.9
last precise sep
10.1
 
 
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 AC 2007 3 120 10.1 11.00 13.50 185410.00+365600.0
18546+3656 ELS 7 AC 2012 5 121 10.1 13.60 16.00 185437.55+365548.5

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