17590+1226 STF2254AB

 
 
17h 59m 00.91s +12 26' 18.5" P.A. 268 sep 3.6 mag 9.11,9.31 Sp A2
 
 
Coord 2000
17590+1226
Discov num
STF2254
Comp
AB
Coord arcsec 2000
17 59 00.91 +12 26 18.5
Date first
1831
Date last
2016
Obs
46
Pa first
266
Pa last
268
P.A. Now (θ)
268°
Sep first
3.2
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
9.11
Mag sec
9.31
delta mag (ΔM)
0.2
Spectral class
A2 (white)
Pri motion ra
-006
Sec motion ra
-020
Pri motion dec
+001
Sec motion dec
-002
Notes
rPM=0.712
Nature of this double is uncertain.
 
 
17590+1226 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 103268 17590+1226 STF2254 AB 1831 2016 46 268 3.6 9.11 9.31 0.20 <===
Show 103268 17590+1226 STF2254 AC 1911 2001 3 67 56.0 9.11 13.04 3.93
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.9
Precise sep
3.555
Constellation
Ophiuchus
SAO
103268
Tycho2
1015-01589-1
last precise pa
267.9
last precise sep
3.555
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17590+1226 STF2254 AB 1999 40 266 3.5 9.11 9.31 A2 D 175900.67+122618.3
17590+1226 STF2254 AB 2006 41 266 3.5 9.11 9.31 A2 D 175900.67+122618.3
17590+1226 STF2254 AB 2009 42 266 3.5 9.11 9.31 A2 D 175900.67+122618.3
17590+1226 STF2254 AB 2011 45 265 3.5 9.11 9.31 A2 D 175900.67+122618.3
17590+1226 STF2254 AB 2015 45 267 3.6 9.11 9.31 A2 175900.67+122618.3
17590+1226 STF2254 AB 2016 46 268 3.6 9.11 9.31 A2 175900.91+122618.5

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