17507+0755 STF2230AB

 
 
17h 50m 40.12s +07 55' 18.8" P.A. 87.00 sep 46.8 mag 9.21,9.85 Sp A2
 
 
Coord 2000
17507+0755
Discov num
STF2230
Comp
AB
Coord arcsec 2000
17 50 40.12 +07 55 18.8
Date first
1831
Date last
2015
Obs
34
Pa first
83
Pa last
87
P.A. Now (θ)
87°
Sep first
44.4
Sep last
46.8
Sep. Now (ρ)
46.8"
Mag pri
9.21
Mag sec
9.85
delta mag (ΔM)
0.64
Spectral class
A2 (white)
Pri motion ra
-002
Sec motion ra
+012
Pri motion dec
+009
Sec motion dec
-013
Notes
N (See Notes)
rPM=1.474
This double is not physical.
 
 
17507+0755 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 50 40 +07 55 19 STF 2230 AB 2015 34 87 46.8 9.21 9.85 0.64 <===
Show 17 50 40 +07 55 19 STF 2230 AC 2015 21 113 39.9 9.21 11.12 1.91
Show 17 50 43 +07 55 22 STF 2230 BC 2015 24 209 20.5 9.85 11.12 1.27
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.8
Precise sep
46.793
Constellation
Ophiuchus
Tycho2
0994-00910-1
Gaia DR2
4487901457485643264
HD
162429
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17507+0755 STF2230 AB 2004 26 86 46.4 9.21 9.85 A2 N D 175040.12+075518.8
17507+0755 STF2230 AB 2012 28 87 46.6 9.21 9.85 A2 N D 175040.12+075518.8
17507+0755 STF2230 AB 2013 30 86 46.3 9.21 9.85 A2 N 175040.12+075518.8
17507+0755 STF2230 AB 2015 31 87 46.8 9.21 9.85 A2 N 175040.12+075518.8

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