16518+2840 STF2107AC

 
 
16h 51m 50.10s +28 39' 58.7" P.A. 309 sep 82.6 mag 6.90,11.51 Sp F5IV dist. 58.41 pc (190.53 l.y.)
 
 
Coord 2000
16518+2840
Discov num
STF2107
Comp
AC
Coord arcsec 2000
16 51 50.10 +28 39 58.7
Date first
1901
Date last
2002
Obs
7
Pa first
309
Pa last
309
P.A. Now (θ)
309°
Sep first
81.5
Sep last
82.6
Sep. Now (ρ)
82.6"
Mag pri
6.90
Mag sec
11.51
delta mag (ΔM)
4.61
Spectral class
F5IV (yellow-white)
Pri motion ra
-001
Sec motion ra
-003
Pri motion dec
+038
Sec motion dec
+041
Notes
N (See Notes)
rPM=0.088 (< 0.3, Physical double)
This double is physical.
 
 
16518+2840 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84655 16518+2840 STF2107 AB 1828 2015 436 106 1.4 6.90 8.50 1.60 Y
Show 84655 16518+2840 STF2107 AC 1901 2002 7 309 82.6 6.90 11.51 4.61 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.8
Precise sep
82.582
Constellation
Hercules
SAO
84655
HIP
82510
Tycho2
2070-00684-1
HD
152380
BD
BD+28 2624
Distance
58.41
Distance ly
190.53
last precise pa
308.8
last precise sep
82.582
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16518+2840 STF2107 AC 1999 6 309 82.4 6.90 11.60 F5IV N D 165150.10+283958.7
16518+2840 STF2107 AC 2002 7 309 82.7 6.90 11.60 F5IV N D 165150.10+283958.7

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