17145+2731 LDS4729

 
 
17h 14m 30.75s +27 30' 15.1" P.A. 25 sep 108.7 mag 12.91,14.55
 
 
Coord 2000
17145+2731
Discov num
LDS4729
Comp
Coord arcsec 2000
17 14 30.75 +27 30 15.1
Date first
1960
Date last
2010
Obs
4
Pa first
25
Pa last
25
P.A. Now (θ)
25°
Sep first
109.0
Sep last
108.7
Sep. Now (ρ)
108.7"
Mag pri
12.91
Mag sec
14.55
delta mag (ΔM)
1.64
Spectral class
Pri motion ra
+009
Sec motion ra
+012
Pri motion dec
+096
Sec motion dec
+092
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
24.5
last precise sep
108.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17145+2731 LDS4729 1999 2 25 108.6 13.40 15.00 D 171430.75+273015.1
17145+2731 LDS4729 2002 3 25 108.7 13.40 15.00 D 171430.75+273015.1
17145+2731 LDS4729 2010 4 25 108.7 12.91 14.55 171430.75+273015.1

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