16509+4259 A   575

 
 
16h 50m 52.52s +42 58' 32.5" P.A. 149 sep 0.7 mag 9.62,10.23 Sp G
 
 
Coord 2000
16509+4259
Discov num
A   575
Comp
Coord arcsec 2000
16 50 52.52 +42 58 32.5
Date first
1903
Date last
2015
Obs
25
Pa first
130
Pa last
149
P.A. Now (θ)
149°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.62
Mag sec
10.23
delta mag (ΔM)
0.61
Spectral class
G (yellow)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+031
Sec motion dec
+031
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.6
Precise sep
0.73
Constellation
Hercules
SAO
46321
Tycho2
3079-00098-1
HD
152341
last precise pa
148.6
last precise sep
0.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16509+4259 A 575 1997 20 144 0.7 9.62 10.23 G 165052.52+425832.5
16509+4259 A 575 2008 23 148 0.7 9.62 10.23 G 165052.52+425832.5
16509+4259 A 575 2014 24 149 0.7 9.62 10.23 G 165052.52+425832.5
16509+4259 A 575 2015 25 149 0.7 9.62 10.23 G 165052.52+425832.5

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