19401+1801 J   121AC

 
 
19h 40m 05.78s +18 00' 50.2" P.A. 244 sep 35.4 mag 4.37,14.90 Sp G1III
 
 
Coord 2000
19401+1801
Discov num
J   121
Comp
AC
Coord arcsec 2000
19 40 05.78 +18 00 50.2
Date first
1910
Date last
2013
Obs
5
Pa first
249
Pa last
244
P.A. Now (θ)
244°
Sep first
35.8
Sep last
35.4
Sep. Now (ρ)
35.4"
Mag pri
4.37
Mag sec
14.90
delta mag (ΔM)
10.53
Spectral class
G1III (yellow)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
243.9
Precise sep
35.35
Cdsa2 id
J 121 AC
Constellation
Sagitta
Ra deg
19.668272222222225
De deg
18.013944444444444
last precise pa
243.9
last precise sep
35.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19401+1801 J 121 AC 2007 3 242 35.6 4.37 14.90 G1III N D 194005.78+180050.2
19401+1801 J 121 AC 2013 5 244 35.4 4.37 14.90 G1III N 194005.78+180050.2

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