18466+3853 ES 2021AB

 
 
18h 46m 37.25s +38 52' 24.3" P.A. 254 sep 20.2 mag 11.26,12.20 dist. 148.15 pc (483.27 l.y.)
 
 
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
2015
Obs
7
Pa first
252
Pa last
254
P.A. Now (θ)
254°
Sep first
21.3
Sep last
20.2
Sep. Now (ρ)
20.2"
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=0.881
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 2015 7 254 20.2 11.26 12.20 0.94 <===
Show 18466+3853 ES 2021 AC 1985 2015 3 261 23.1 11.26 13.40 2.14
Show 18466+3853 ES 2021 BC 1923 2015 5 298 3.8 12.20 13.40 1.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Other name
y Vir
Spectr
A0V
Constellation
Virgo
SAO
158021
HIP
66247
Tycho2
5551-01507-1
HD
118054
HR
5106
GC
18348
BD
BD-12 3843
Distance
148.15
Distance ly
483.27
last precise pa
254.3
last precise sep
20.228
 
 
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
18466+3853 ES 2021 AB 2015 7 254 20.2 11.26 12.20 184637.25+385224.3

If you need more information about this double, apply for a data request form to the WDS.