19457+3612 ALI 161AB

 
 
19h 45m 41.94s +36 11' 40.4" P.A. 17 sep 8.5 mag 10.84,11.24
 
 
Coord 2000
19457+3612
Discov num
ALI 161
Comp
AB
Coord arcsec 2000
19 45 41.94 +36 11 40.4
Date first
1933
Date last
2016
Obs
10
Pa first
18
Pa last
17
P.A. Now (θ)
17°
Sep first
8.5
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
10.84
Mag sec
11.24
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+009
Sec motion ra
+011
Pri motion dec
+000
Sec motion dec
+003
Notes
N (See Notes)
rPM=0.316
Nature of this double is uncertain.
 
 
19457+3612 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19457+3612 ALI 161 AB 1933 2016 10 17 8.5 10.84 11.24 0.40 <===
Show 19457+3612 SEI 677 AC 1896 1983 2 178 16.1 10.84 10.80 0.04
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.7
Precise sep
8.547
Constellation
Cygnus
last precise pa
16.7
last precise sep
8.547
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19457+3612 ALI 161 AB 2007 7 17 8.5 10.80 11.00 D 194541.94+361140.4
19457+3612 ALI 161 AB 2010 8 17 8.5 10.80 11.00 N D 194541.94+361140.4
19457+3612 ALI 161 AB 2016 10 17 8.5 10.84 11.24 N 194541.94+361140.4

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