16308-1308 STF2050AB

 
 
16h 30m 50.02s -13 07' 58.5" P.A. 219 sep 5.6 mag 8.27,9.72 Sp A0IV/V
 
 
Coord 2000
16308-1308
Discov num
STF2050
Comp
AB
Coord arcsec 2000
16 30 50.02 -13 07 58.5
Date first
1831
Date last
2017
Obs
18
Pa first
217
Pa last
219
P.A. Now (θ)
219°
Sep first
5.4
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
8.27
Mag sec
9.72
delta mag (ΔM)
1.45
Spectral class
A0IV/V (white)
Pri motion ra
+026
Sec motion ra
Pri motion dec
+039
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16308-1308 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 159961 16308-1308 STF2050 AB 1831 2017 18 219 5.6 8.27 9.72 1.45 <===
Show 159961 16308-1308 STF2050 AC 1890 2016 13 295 140.7 8.27 9.32 1.05
Show 159961 16308-1308 SIN 126 AD 1990 2016 4 44 81.3 8.27 12.92 4.65
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219
Precise sep
5.637
Constellation
Ophiuchus
SAO
159961
Tycho2
5639-00050-1
HD
148759
last precise pa
219
last precise sep
5.637
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16308-1308 STF2050 AB 1998 15 218 5.5 8.33 9.60 A0IV/V D 163050.02-130758.5
16308-1308 STF2050 AB 2008 16 219 5.7 8.33 9.60 A0IV/V D 163050.02-130758.5
16308-1308 STF2050 AB 2017 18 219 5.6 8.27 9.72 A0IV/V 163050.02-130758.5

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