19425+1726 STF2563AC

 
 
19h 42m 28.87s +17 25' 38.9" P.A. 321 sep 83.4 mag 8.66,9.37 Sp G0
 
 
Coord 2000
19425+1726
Discov num
STF2563
Comp
AC
Coord arcsec 2000
19 42 28.87 +17 25 38.9
Date first
1897
Date last
2015
Obs
20
Pa first
322
Pa last
321
P.A. Now (θ)
321°
Sep first
83.6
Sep last
83.4
Sep. Now (ρ)
83.4"
Mag pri
8.66
Mag sec
9.37
delta mag (ΔM)
0.71
Spectral class
G0 (yellow)
Pri motion ra
+023
Sec motion ra
+019
Pri motion dec
+009
Sec motion dec
+006
Notes
N W (See Notes, )
rPM=0.202 (< 0.3, Physical double)
This double is physical.
 
 
19425+1726 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19425+1726 STF2563 AB 1828 2015 35 286 5.9 8.66 9.52 0.86
Show 19425+1726 STF2563 AC 1897 2015 20 321 83.4 8.66 9.37 0.71 <===
Show 19425+1726 STF2563 CD 1905 2015 10 118 7.4 9.37 11.50 2.13
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.2
Precise sep
83.364
Constellation
Sagitta
SAO
105169
Tycho2
1606-01991-1
Gaia DR2
97932653952
HD
186224
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19425+1726 STF2563 AC 2004 13 321 83.0 8.66 9.37 N D 194228.87+172538.9
19425+1726 STF2563 AC 2013 15 321 83.1 8.66 9.37 G0 N 194228.87+172538.9
19425+1726 STF2563 AC 2015 16 321 83.4 8.66 9.37 G0 N W 194228.87+172538.9

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