19425+1726 STF2563AB

 
 
19h 42m 28.87s +17 25' 38.9" P.A. 286.00 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
2019
Obs
36
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
+026
Sec motion ra
+027
Pri motion dec
+010
Sec motion dec
+010
Notes
N T (See Notes, Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.035 (< 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 105169 19425+1726 STF2563 AB 1828 2019 36 286 5.9 8.66 9.52 0.86 <===
Show 105169 19425+1726 STF2563 AC 1897 2015 20 321 83.4 8.66 9.37 0.71
Show 105166 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
285.6
Precise sep
5.924
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 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
19425+1726 STF2563 AB 2019 36 286 5.9 8.66 9.52 G0 NT 194228.87+172538.9

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