18026+2931 LDS4771

 
 
18h 02m 38.29s +29 30' 32.5" P.A. 251 sep 17 mag 16.10,17.20
 
 
Coord 2000
18026+2931
Discov num
LDS4771
Comp
Coord arcsec 2000
18 02 38.29 +29 30 32.5
Date first
1960
Date last
2010
Obs
3
Pa first
266
Pa last
251
P.A. Now (θ)
251°
Sep first
17.0
Sep last
17.0
Sep. Now (ρ)
17"
Mag pri
16.10
Mag sec
17.20
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-125
Sec motion ra
Pri motion dec
-091
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.3
Precise sep
17
Constellation
Hercules
last precise pa
251.3
last precise sep
17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18026+2931 LDS4771 1999 2 250 16.6 16.10 17.20 D 180238.29+293032.5
18026+2931 LDS4771 2010 3 251 16.9 16.10 17.20 180238.29+293032.5

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