17085-2013 BU 1457AC

 
 
17h 08m 32.47s -20 13' 03.0" P.A. 262 sep 24.9 mag 7.81,13.50 Sp A0IV dist. 163.67 pc (533.89 l.y.)
 
 
Coord 2000
17085-2013
Discov num
BU 1457
Comp
AC
Coord arcsec 2000
17 08 32.47 -20 13 03.0
Date first
1906
Date last
1999
Obs
3
Pa first
265
Pa last
262
P.A. Now (θ)
262°
Sep first
22.0
Sep last
24.9
Sep. Now (ρ)
24.9"
Mag pri
7.81
Mag sec
13.50
delta mag (ΔM)
5.69
Spectral class
A0IV (white)
Pri motion ra
+008
Sec motion ra
+005
Pri motion dec
-009
Sec motion dec
+005
Notes
rPM=1.189
This double is not physical.
 
 
17085-2013 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185067 17085-2013 HJ 4922 AB 1836 1999 8 310 22.7 7.81 11.31 3.50
Show 185067 17085-2013 BU 1457 AC 1906 1999 3 262 24.9 7.81 13.50 5.69 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.3
Precise sep
24.874
Constellation
Ophiuchus
SAO
185067
HIP
83873
Tycho2
6240-00463-1
HD
154831
BD
BD-20 4646
Distance
163.67
Distance ly
533.89
last precise pa
262.3
last precise sep
24.874
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17085-2013 BU 1457 AC 1998 2 263 24.8 7.50 13.50 A0IV D 170832.47-201303.0
17085-2013 BU 1457 AC 1999 3 262 24.9 7.50 13.50 A0IV D 170832.47-201303.0

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