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
Cdsa2 id
WAL 118 AD
Constellation
Sagitta
Ra deg
19.668272222222225
De deg
18.013944444444444
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.