16486+2123 STF2102AB

 
 
16h 48m 33.52s +21 23' 25.4" P.A. 274 sep 13.7 mag 8.43,11.29 Sp G5 dist. 174.83 pc (570.3 l.y.)
 
 
Coord 2000
16486+2123
Discov num
STF2102
Comp
AB
Coord arcsec 2000
16 48 33.52 +21 23 25.4
Date first
1830
Date last
2012
Obs
19
Pa first
277
Pa last
274
P.A. Now (θ)
274°
Sep first
14.0
Sep last
13.7
Sep. Now (ρ)
13.7"
Mag pri
8.43
Mag sec
11.29
delta mag (ΔM)
2.86
Spectral class
G5 (yellow)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+006
Sec motion dec
+005
Notes
rPM=0.128 (< 0.3, Physical double)
This double is physical.
 
 
16486+2123 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84617 16486+2123 STF2102 AB 1830 2012 19 274 13.7 8.43 11.29 2.86 <===
Show 84617 16486+2123 WAL 73 AC 1944 2006 4 151 37.1 8.43 11.77 3.34
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.3
Precise sep
13.74
Constellation
Hercules
SAO
84617
HIP
82266
Tycho2
1533-00980-1
HD
151750
BD
BD+21 2991
Distance
174.83
Distance ly
570.3
last precise pa
274.3
last precise sep
13.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16486+2123 STF2102 AB 2006 17 275 13.8 8.43 11.29 G5 D 164833.52+212325.4
16486+2123 STF2102 AB 2012 19 274 13.7 8.43 11.29 G5 D 164833.52+212325.4

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