17386+1153 BRT1287BC

17h 38m 33.74s +11 52' 25.4" P.A. 164 sep 3.7 mag 11.20,12.60

Coord 2000
17386+1153
Discov num
BRT1287
Comp
BC
Coord arcsec 2000
17 38 33.74 +11 52 25.4
Date first
1909
Date last
2015
Obs
7
Pa first
158
Pa last
164
P.A. Now (θ)
164°
Sep first
10.1
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.20
Mag sec
12.60
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+027
Sec motion ra
Pri motion dec
-071
Sec motion dec
Notes


Nature of this double is uncertain.



17386+1153 SYSTEM COMPONENTS

Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17386+1153 BRT1287 AB 1907 2015 12 121 4.3 10.54 11.20 0.66
Show 17386+1153 BRT1287 BC 1909 2015 7 164 3.7 11.20 12.60 1.40 <===
Triple system
3 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
163.5
Precise sep
3.69
Cdsa2 id
BRT 1287 BC
Constellation
Ophiuchus
Tycho2
1001-01503-2
Ra deg
17.642705555555555
De deg
11.873722222222222
last precise pa
163.5
last precise sep
3.69




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17386+1153 BRT1287 BC 2003 6 158 4.4 10.90 12.30 D 173833.74+115225.4
17386+1153 BRT1287 BC 2015 7 164 3.7 11.20 12.60 173833.74+115225.4

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