18571+2606 STF2422

 
 
18h 57m 07.83s +26 05' 45.1" P.A. 69 sep 0.8 mag 7.93,8.25 Sp A2IV
 
 
Coord 2000
18571+2606
Discov num
STF2422
Comp
Coord arcsec 2000
18 57 07.83 +26 05 45.1
Date first
1832
Date last
2015
Obs
139
Pa first
106
Pa last
69
P.A. Now (θ)
69°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
7.93
Mag sec
8.25
delta mag (ΔM)
0.32
Spectral class
A2IV (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
69
Precise sep
0.76
Constellation
Hercules
Tycho2
2113-02259-1
HD
176005
last precise pa
69
last precise sep
0.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18571+2606 STF2422 2005 137 70 0.7 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2007 140 71 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2010 142 71 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2011 144 70 0.8 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2013 138 70 0.7 7.93 8.25 A2IV D 185707.83+260545.1
18571+2606 STF2422 2015 139 69 0.8 7.93 8.25 A2IV 185707.83+260545.1

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