19401+1801 WAL 118AD

 
 
19h 40m 05.78s +18 00' 50.2" P.A. 148 sep 82.6 mag 4.37,11.21 Sp G1III
 
 
Coord 2000
19401+1801
Discov num
WAL 118
Comp
AD
Coord arcsec 2000
19 40 05.78 +18 00 50.2
Date first
1897
Date last
2013
Obs
7
Pa first
149
Pa last
148
P.A. Now (θ)
148°
Sep first
85.8
Sep last
82.6
Sep. Now (ρ)
82.6"
Mag pri
4.37
Mag sec
11.21
delta mag (ΔM)
6.84
Spectral class
G1III (yellow)
Pri motion ra
+015
Sec motion ra
+015
Pri motion dec
-020
Sec motion dec
+018
Notes
N (See Notes)
rPM=1.52
This double is not physical.
 
 
19401+1801 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sham 105120 19401+1801 J 121 AB 1910 2015 11 180 28.9 4.37 13.20 8.83
Show 19401+1801 J 121 AC 1910 2013 5 244 35.4 4.37 14.90 10.53
Show 19401+1801 WAL 118 AD 1897 2013 7 148 82.6 4.37 11.21 6.84 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.7
Precise sep
82.64
Constellation
Sagitta
last precise pa
147.7
last precise sep
82.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19401+1801 WAL 118 AD 1997 3 148 83.4 4.37 11.21 G1III D 194005.78+180050.2
19401+1801 WAL 118 AD 2009 4 148 82.5 4.37 11.21 G1III N D 194005.78+180050.2
19401+1801 WAL 118 AD 2013 6 149 82.5 4.37 11.21 G1III N 194005.78+180050.2

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