17446+0235 STF2202AB (61 Oph)

 
 
17h 44m 34.09s +02 34' 45.9" P.A. 95 sep 20.9 mag 6.13,6.47 Sp A1IV-V dist. 84.82 pc (276.68 l.y.)
 
 
Coord 2000
17446+0235
Discov num
STF2202
Comp
AB
Coord arcsec 2000
17 44 34.09 +02 34 45.9
Date first
1777
Date last
2016
Obs
169
Pa first
102
Pa last
95
P.A. Now (θ)
95°
Sep first
19.0
Sep last
20.9
Sep. Now (ρ)
20.9"
Mag pri
6.13
Mag sec
6.47
delta mag (ΔM)
0.34
Spectral class
A1IV-V (white)
Pri motion ra
+007
Sec motion ra
+005
Pri motion dec
+014
Sec motion dec
+013
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
17446+0235 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 61 Oph 122690 17446+0235 STF2202 AB 1777 2016 169 95 20.9 6.13 6.47 0.34 <===
Show 122691 17446+0235 STF2202 BC 1912 2005 5 28 93.6 6.47 12.94 6.47
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
61 Oph
Constellation
Ophiuchus
SAO
122690
HIP
86831
Tycho2
0419-02147-1
HD
161270
HR
6609
GC
24077
BD
BD+02 3390
Flamsteed
61 Ophiuchi
Flamsteed name
61 Oph
Distance
84.82
Distance ly
276.68
last precise pa
95.3
last precise sep
20.949
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17446+0235 STF2202 AB 2007 156 93 20.7 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2008 158 93 20.7 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2009 161 93 20.7 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2010 162 93 20.6 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2012 164 93 20.5 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2013 167 93 20.6 6.13 6.47 A1IV-V N D 174434.09+023445.9
17446+0235 STF2202 AB 2015 168 93 20.6 6.13 6.47 A1IV-V N 174434.09+023445.9
17446+0235 STF2202 AB 2016 169 95 20.9 6.13 6.47 A1IV-V N 174434.09+023445.9

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