18079+4002 ES 1649AC

 
 
18h 07m 51.56s +40 01' 27.6" P.A. 226 sep 24.4 mag 10.73,13.70
 
 
Coord 2000
18079+4002
Discov num
ES 1649
Comp
AC
Coord arcsec 2000
18 07 51.56 +40 01 27.6
Date first
1917
Date last
2015
Obs
4
Pa first
245
Pa last
226
P.A. Now (θ)
226°
Sep first
19.8
Sep last
24.4
Sep. Now (ρ)
24.4"
Mag pri
10.73
Mag sec
13.70
delta mag (ΔM)
2.97
Spectral class
Pri motion ra
+004
Sec motion ra
-007
Pri motion dec
-007
Sec motion dec
-081
Notes
rPM=0.92
This double is not physical.
 
 
18079+4002 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18079+4002 ES 1649 AB 1917 2015 4 331 7.8 10.73 14.20 3.47
Show 18079+4002 ES 1649 AC 1917 2015 4 226 24.4 10.73 13.70 2.97 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.7
Precise sep
24.4
Constellation
Hercules
Tycho2
3106-00848-1
last precise pa
225.7
last precise sep
24.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18079+4002 ES 1649 AC 1998 2 228 23.4 10.73 13.70 D 180751.56+400127.6
18079+4002 ES 1649 AC 2002 3 228 23.7 10.73 13.70 D 180751.56+400127.6
18079+4002 ES 1649 AC 2015 4 226 24.4 10.73 13.70 180751.56+400127.6

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