20163+1538 CHE 261AB

 
 
20h 16m 16.59s +15 38' 14.8" P.A. 41 sep 18.3 mag 12.50,12.60
 
 
Coord 2000
20163+1538
Discov num
CHE 261
Comp
AB
Coord arcsec 2000
20 16 16.59 +15 38 14.8
Date first
1910
Date last
2015
Obs
11
Pa first
38
Pa last
41
P.A. Now (θ)
41°
Sep first
19.4
Sep last
18.3
Sep. Now (ρ)
18.3"
Mag pri
12.50
Mag sec
12.60
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-011
Sec motion ra
-006
Pri motion dec
+012
Sec motion dec
-009
Notes
rPM=1.326
This double is not physical.
 
 
20163+1538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20163+1538 CHE 261 AB 1910 2015 11 41 18.3 12.50 12.60 0.10 <===
Show 20163+1538 CHE 261 AC 1910 2015 11 111 23.8 12.50 13.60 1.10
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41.3
Precise sep
18.325
Constellation
Delphinus
Gaia DR2
59363517568
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20163+1538 CHE 261 AB 2002 2 41 18.4 10.01 10.16 201616.59+153813.7
20163+1538 CHE 261 AB 2008 3 42 18.6 10.01 10.16 201616.59+153813.7
20163+1538 CHE 261 AB 2015 7 41 18.3 12.50 12.60 201616.59+153814.8

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