17265-1735 HU  171AC

 
 
17h 26m 31.65s -17 35' 13.7" P.A. 210 sep 6.6 mag 10.12,12.30 Sp A2V
 
 
Coord 2000
17265-1735
Discov num
HU  171
Comp
AC
Coord arcsec 2000
17 26 31.65 -17 35 13.7
Date first
1916
Date last
2000
Obs
6
Pa first
210
Pa last
210
P.A. Now (θ)
210°
Sep first
5.4
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
10.12
Mag sec
12.30
delta mag (ΔM)
2.18
Spectral class
A2V (white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17265-1735 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17265-1735 HU 171 AB 1900 1991 5 188 1.7 10.12 11.32 1.20
Show 17265-1735 HU 171 AC 1916 2000 6 210 6.6 10.12 12.30 2.18 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210
Precise sep
6.56
Constellation
Ophiuchus
Tycho2
6238-02384-1
HD
157859
last precise pa
210
last precise sep
6.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17265-1735 HU 171 AC 2000 5 210 6.6 10.12 12.30 A2V D 172631.65-173513.7

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