18044+0329 STF2266AB

 
 
18h 04m 21.87s +03 29' 05.0" P.A. 188 sep 8.7 mag 7.94,9.57 Sp F5
 
 
Coord 2000
18044+0329
Discov num
STF2266
Comp
AB
Coord arcsec 2000
18 04 21.87 +03 29 05.0
Date first
1830
Date last
2016
Obs
21
Pa first
184
Pa last
188
P.A. Now (θ)
188°
Sep first
8.8
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
7.94
Mag sec
9.57
delta mag (ΔM)
1.63
Spectral class
F5 (yellow-white)
Pri motion ra
-025
Sec motion ra
-080
Pri motion dec
-087
Sec motion dec
-103
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18044+0329 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18044+0329 STF2266 AB 1830 2016 21 188 8.7 7.94 9.57 1.63 <===
Show 18044+0329 STF2266 AC 1910 2016 9 203 50.8 7.94 11.07 3.13
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
0434-00670-1
HD
165111
last precise pa
187.5
last precise sep
8.673
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18044+0329 STF2266 AB 2000 17 186 8.6 7.94 9.57 F5 DV 180421.87+032905.0
18044+0329 STF2266 AB 2010 18 186 8.4 7.94 9.57 F5 NVD 180421.87+032905.0
18044+0329 STF2266 AB 2011 19 185 8.5 7.94 9.57 F5 NVD 180421.87+032905.0
18044+0329 STF2266 AB 2016 21 188 8.7 7.94 9.57 F5 NV 180421.87+032905.0

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