17172+1816 LDS4736

 
 
17h 17m 09.50s +18 16' 37.5" P.A. 311 sep 123.2 mag 17.97,17.97
 
 
Coord 2000
17172+1816
Discov num
LDS4736
Comp
Coord arcsec 2000
17 17 09.50 +18 16 37.5
Date first
1960
Date last
2015
Obs
4
Pa first
312
Pa last
311
P.A. Now (θ)
311°
Sep first
131.0
Sep last
123.2
Sep. Now (ρ)
123.2"
Mag pri
17.97
Mag sec
17.97
delta mag (ΔM)
0
Spectral class
Pri motion ra
-072
Sec motion ra
-032
Pri motion dec
-064
Sec motion dec
-096
Notes
rPM=0.506
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311
Precise sep
123.169
Constellation
Hercules
Gaia DR2
24060661248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17172+1816 LDS4736 1999 2 311 123.9 17.97 17.97 D 171709.50+181637.5
17172+1816 LDS4736 2010 3 311 123.4 17.97 17.97 171709.50+181637.5
17172+1816 LDS4736 2015 4 311 123.2 17.97 17.97 171709.50+181637.5

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