18466+3853 ES 2021AB

 
 
18h 46m 37.25s +38 52' 24.3" P.A. 255 sep 20.4 mag 11.26,12.20
 
 
Coord 2000
18466+3853
Discov num
ES 2021
Comp
AB
Coord arcsec 2000
18 46 37.25 +38 52 24.3
Date first
1923
Date last
2013
Obs
6
Pa first
252
Pa last
255
P.A. Now (θ)
255°
Sep first
21.3
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
11.26
Mag sec
12.20
delta mag (ΔM)
0.94
Spectral class
Pri motion ra
-004
Sec motion ra
+013
Pri motion dec
-010
Sec motion dec
-009
Notes
rPM=1.077
This double is not physical.
 
 
18466+3853 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18466+3853 ES 2021 AB 1923 2013 6 255 20.4 11.26 12.20 0.94 <===
Show 18466+3853 ES 2021 AC 1985 2011 2 260 23.0 11.26 13.40 2.14
Show 18466+3853 ES 2021 BC 1923 2007 4 298 3.7 12.20 13.40 1.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.2
Precise sep
20.43
Cdsa2 id
ES 2021 AB
Constellation
Lyra
Ra deg
18.777013888888888
De deg
38.873416666666664
last precise pa
255.2
last precise sep
20.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18466+3853 ES 2021 AB 2007 4 254 20.5 11.26 12.20 D 184637.25+385224.1
18466+3853 ES 2021 AB 2013 6 255 20.4 11.26 12.20 184637.25+385224.1

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