20183+1509 CHE 294AC

 
 
20h 18m 17.49s +15 08' 57.3" P.A. 238 sep 13.9 mag 9.97,11.50
 
 
Coord 2000
20183+1509
Discov num
CHE 294
Comp
AC
Coord arcsec 2000
20 18 17.49 +15 08 57.3
Date first
1910
Date last
2015
Obs
12
Pa first
235
Pa last
238
P.A. Now (θ)
238°
Sep first
15.7
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
9.97
Mag sec
11.50
delta mag (ΔM)
1.53
Spectral class
Pri motion ra
-008
Sec motion ra
-004
Pri motion dec
-020
Sec motion dec
+000
Notes
rPM=0.947
This double is not physical.
 
 
20183+1509 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20183+1509 CHE 294 AB 1910 2015 13 358 16.0 9.97 10.50 0.53
Show 20183+1509 CHE 294 AC 1910 2015 12 238 13.9 9.97 11.50 1.53 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.4
Precise sep
13.887
Constellation
Delphinus
SAO
105938
Tycho2
1631-01116-1
Gaia DR2
93668081152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20183+1509 CHE 294 AC 2006 4 238 15.8 9.97 11.50 D 201817.49+150857.3
20183+1509 CHE 294 AC 2008 5 238 14.2 9.97 11.50 D 201817.49+150857.3
20183+1509 CHE 294 AC 2010 8 238 13.8 9.97 11.50 201817.49+150857.3
20183+1509 CHE 294 AC 2015 8 238 13.9 9.97 11.50 201817.49+150857.3

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