19425+1726 STF2563AB

 
 
19h 42m 28.87s +17 25' 38.9" P.A. 286 sep 5.9 mag 8.66,9.52 Sp G0
 
 
Coord 2000
19425+1726
Discov num
STF2563
Comp
AB
Coord arcsec 2000
19 42 28.87 +17 25 38.9
Date first
1828
Date last
2015
Obs
31
Pa first
282
Pa last
286
P.A. Now (θ)
286°
Sep first
6.8
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
8.66
Mag sec
9.52
delta mag (ΔM)
0.86
Spectral class
G0 (yellow)
Pri motion ra
+023
Sec motion ra
+027
Pri motion dec
+009
Sec motion dec
+011
Notes
N V W (See Notes, Proper motion indicates physical, )
rPM=0.153 (< 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 31 286 5.9 8.66 9.52 0.86 <===
Show 19425+1726 STF2563 AC 1897 2013 15 321 83.1 8.66 9.37 0.71
Show 19425+1726 STF2563 CD 1905 2013 5 118 7.3 9.37 11.50 2.13
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.7
Precise sep
5.88
Constellation
Sagitta
Tycho2
1606-01991-1
HD
186224
last precise pa
285.7
last precise sep
5.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19425+1726 STF2563 AB 2007 27 285 5.9 8.66 9.52 G0 N DV 194228.87+172538.9
19425+1726 STF2563 AB 2011 28 286 5.6 8.66 9.52 G0 NVD 194228.87+172538.9
19425+1726 STF2563 AB 2013 30 285 5.9 8.66 9.52 G0 NV 194228.87+172538.9
19425+1726 STF2563 AB 2015 31 286 5.9 8.66 9.52 G0 NVW 194228.87+172538.9

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