18520+3731 ES 2026AB

 
 
18h 52m 01.50s +37 30' 59.5" P.A. 111 sep 20.5 mag 7.34,12.80 Sp B8V dist. 353.36 pc (1152.66 l.y.)
 
 
Coord 2000
18520+3731
Discov num
ES 2026
Comp
AB
Coord arcsec 2000
18 52 01.50 +37 30 59.5
Date first
1923
Date last
2002
Obs
3
Pa first
108
Pa last
111
P.A. Now (θ)
111°
Sep first
19.7
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
7.34
Mag sec
12.80
delta mag (ΔM)
5.46
Spectral class
B8V (blue-white)
Pri motion ra
+001
Sec motion ra
+019
Pri motion dec
-004
Sec motion dec
-020
Notes
rPM=0.873
This double is not physical.
 
 
18520+3731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67494 18520+3731 ES 2026 AB 1923 2002 3 111 20.5 7.34 12.80 5.46 <===
Show 67494 18520+3731 ES 2026 BC 1923 2002 3 331 4.5 12.80 13.30 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111
Precise sep
20.464
Constellation
Lyra
SAO
67494
HIP
92590
Tycho2
3119-02078-1
HD
175081
BD
BD+37 3262
Distance
353.36
Distance ly
1152.66
last precise pa
111
last precise sep
20.464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18520+3731 ES 2026 AB 2000 2 111 20.7 7.34 12.80 B8V D 185201.50+373059.5
18520+3731 ES 2026 AB 2002 3 111 20.5 7.34 12.80 B8V D 185201.50+373059.5

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