16316+1917 STF2057AB

 
 
16h 31m 34.41s +19 16' 37.9" P.A. 268 sep 4.9 mag 10.49,10.63 Sp K0
 
 
Coord 2000
16316+1917
Discov num
STF2057
Comp
AB
Coord arcsec 2000
16 31 34.41 +19 16 37.9
Date first
1830
Date last
2015
Obs
45
Pa first
265
Pa last
268
P.A. Now (θ)
268°
Sep first
4.9
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.49
Mag sec
10.63
delta mag (ΔM)
0.14
Spectral class
K0 (yellow-orange)
Pri motion ra
-022
Sec motion ra
-052
Pri motion dec
-091
Sec motion dec
-096
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.279 (< 0.3, Physical double)
This double is physical.
 
 
16316+1917 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16316+1917 STF2057 AB 1830 2015 45 268 4.9 10.49 10.63 0.14 <===
Show 16316+1917 STF2057 AC 1871 2005 9 49 173.8 10.49 10.55 0.06
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.3
Precise sep
4.92
Constellation
Hercules
Tycho2
1514-01026-1
last precise pa
268.3
last precise sep
4.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16316+1917 STF2057 AB 2005 41 268 4.9 10.49 10.63 K0 N DV 163134.41+191637.9
16316+1917 STF2057 AB 2013 44 268 4.9 10.49 10.63 K0 NVD 163134.41+191637.9
16316+1917 STF2057 AB 2015 45 268 4.9 10.49 10.63 K0 NV 163134.41+191637.9

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