17145+2931 LDS4728

 
 
17h 14m 24.08s +29 30' 05.1" P.A. 310 sep 2.4 mag 15.40,15.90
 
 
Coord 2000
17145+2931
Discov num
LDS4728
Comp
Coord arcsec 2000
17 14 24.08 +29 30 05.1
Date first
1960
Date last
2000
Obs
2
Pa first
321
Pa last
310
P.A. Now (θ)
310°
Sep first
2.0
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
15.40
Mag sec
15.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-157
Sec motion ra
-157
Pri motion dec
-084
Sec motion dec
-084
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.1
Precise sep
2.41
Constellation
Hercules
last precise pa
310
last precise sep
2.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17145+2931 LDS4728 1960 1 321 2.0 16.30 16.80 171412.00+293100.0
17145+2931 LDS4728 2000 2 310 2.4 15.40 15.90 171424.08+293005.1

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