18103+0209 DAL  18AC

 
 
18h 10m 19.48s +02 09' 01.2" P.A. 314 sep 45 mag 11.80,12.40
 
 
Coord 2000
18103+0209
Discov num
DAL  18
Comp
AC
Coord arcsec 2000
18 10 19.48 +02 09 01.2
Date first
2000
Date last
2016
Obs
4
Pa first
313
Pa last
314
P.A. Now (θ)
314°
Sep first
44.5
Sep last
45.0
Sep. Now (ρ)
45"
Mag pri
11.80
Mag sec
12.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+002
Sec motion ra
-001
Pri motion dec
+007
Sec motion dec
-008
Notes
rPM=1.897
This double is not physical.
 
 
18103+0209 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18103+0209 DAL 18 AB 2000 2016 4 274 12.5 11.80 11.90 0.10
Show 18103+0209 DAL 18 AC 2000 2016 4 314 45.0 11.80 12.40 0.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.3
Precise sep
45.047
Constellation
Ophiuchus
last precise pa
314.3
last precise sep
45.047
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18103+0209 DAL 18 AC 2004 2 312 44.5 11.80 12.40 D 181019.48+020901.2
18103+0209 DAL 18 AC 2016 4 314 45.0 11.80 12.40 181019.48+020901.2

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