16442+2331 STF2094AC

 
 
16h 44m 10.57s +23 31' 02.8" P.A. 310 sep 24.7 mag 7.48,11.70 Sp F5III dist. 156.49 pc (510.47 l.y.)
 
 
Coord 2000
16442+2331
Discov num
STF2094
Comp
AC
Coord arcsec 2000
16 44 10.57 +23 31 02.8
Date first
1830
Date last
2013
Obs
25
Pa first
311
Pa last
310
P.A. Now (θ)
310°
Sep first
25.3
Sep last
24.7
Sep. Now (ρ)
24.7"
Mag pri
7.48
Mag sec
11.70
delta mag (ΔM)
4.22
Spectral class
F5III (yellow-white)
Pri motion ra
-011
Sec motion ra
-012
Pri motion dec
+014
Sec motion dec
+014
Notes
rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
16442+2331 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84572 16442+2331 STF2094 AB 1831 2015 183 74 1.1 7.48 7.87 0.39
Show 84572 16442+2331 STF2094 AC 1830 2013 25 310 24.7 7.48 11.70 4.22 <===
Show 84572 16442+2331 SMR 63 AD 1999 2013 2 13 43.6 5.19 12.74 7.55
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310
Precise sep
24.73
Constellation
Hercules
SAO
84572
HIP
81933
Tycho2
2045-00523-1
HD
151070
BD
BD+23 2984
Distance
156.49
Distance ly
510.47
last precise pa
310
last precise sep
24.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16442+2331 STF2094 AC 1999 22 310 25.4 7.48 11.70 F5III D 164410.57+233102.8
16442+2331 STF2094 AC 2010 23 312 25.1 7.48 11.70 F5III D 164410.57+233102.8
16442+2331 STF2094 AC 2013 25 310 24.7 7.48 11.70 F5III 164410.57+233102.8

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