17199-1745 BU  126AB

 
 
17h 19m 53.35s -17 45' 23.3" P.A. 263 sep 2.4 mag 6.34,7.56 Sp A2Vnn dist. 115.21 pc (375.82 l.y.)
 
 
Coord 2000
17199-1745
Discov num
BU  126
Comp
AB
Coord arcsec 2000
17 19 53.35 -17 45 23.3
Date first
1873
Date last
2012
Obs
67
Pa first
250
Pa last
263
P.A. Now (θ)
263°
Sep first
1.8
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
6.34
Mag sec
7.56
delta mag (ΔM)
1.22
Spectral class
A2Vnn (white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17199-1745 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160462 17199-1745 BU 126 AB 1873 2012 67 263 2.4 6.34 7.56 1.22 <===
Show 160462 17199-1745 BU 126 AC 1879 1998 12 138 12.0 6.34 11.20 4.86
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.8
Precise sep
2.4
Constellation
Ophiuchus
SAO
160462
HIP
84792
Tycho2
6237-03261-1
HD
156717
HR
6435
BD
BD-17 4773
Distance
115.21
Distance ly
375.82
last precise pa
264.7
last precise sep
2.399
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17199-1745 BU 126 AB 2007 65 263 2.3 6.34 7.56 A2Vnn D 171953.35-174523.3
17199-1745 BU 126 AB 2010 66 263 2.3 6.34 7.56 A2Vnn D 171953.35-174523.3
17199-1745 BU 126 AB 2012 67 263 2.3 6.34 7.56 A2Vnn D 171953.35-174523.3

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