17172+1816 LDS4736

 
 
17h 17m 09.50s +18 16' 37.5" P.A. 311 sep 123.4 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
2010
Obs
3
Pa first
312
Pa last
311
P.A. Now (θ)
311°
Sep first
131.0
Sep last
123.4
Sep. Now (ρ)
123.4"
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
123.43
Cdsa2 id
LDS 4736
Constellation
Hercules
Ra deg
17.285972222222224
De deg
18.277083333333334
last precise pa
311
last precise sep
123.43
 
 
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

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