16530+4424 STT 317AB

 
 
16h 52m 57.22s +44 24' 08.0" P.A. 200 sep 24.8 mag 7.90,12.50 Sp G5 dist. 144.51 pc (471.39 l.y.)
 
 
Coord 2000
16530+4424
Discov num
STT 317
Comp
AB
Coord arcsec 2000
16 52 57.22 +44 24 08.0
Date first
1843
Date last
2015
Obs
25
Pa first
234
Pa last
200
P.A. Now (θ)
200°
Sep first
15.4
Sep last
24.8
Sep. Now (ρ)
24.8"
Mag pri
7.90
Mag sec
12.50
delta mag (ΔM)
4.6
Spectral class
G5 (yellow)
Pri motion ra
-011
Sec motion ra
+012
Pri motion dec
+068
Sec motion dec
-018
Notes
N L (See Notes, Linear solution)
rPM=1.292
This double is not physical.
 
 
16530+4424 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 46344 16530+4424 STT 317 AB 1843 2015 25 200 24.8 7.90 12.50 4.60 <===
Show 46344 16530+4424 STT 317 AC 1874 2013 25 316 130.4 8.21 9.22 1.01
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.2
Precise sep
24.787
Constellation
Hercules
SAO
46344
HIP
82584
Tycho2
3083-00679-1
HD
152733
BD
BD+44 2623
Distance
144.51
Distance ly
471.39
last precise pa
200.2
last precise sep
24.787
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16530+4424 STT 317 AB 2003 21 202 23.8 8.40 12.00 G5 NLD 165257.22+442408.0
16530+4424 STT 317 AB 2013 23 200 24.8 8.21 12.00 G5 NL 165257.22+442408.0
16530+4424 STT 317 AB 2015 24 200 24.8 7.90 12.50 G5 NL 165257.22+442408.0

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