18420+2528 SLE 503

 
 
18h 41m 58.21s +25 27' 33.0" P.A. 130 sep 9.7 mag 11.37,12.40
 
 
Coord 2000
18420+2528
Discov num
SLE 503
Comp
Coord arcsec 2000
18 41 58.21 +25 27 33.0
Date first
1982
Date last
2010
Obs
4
Pa first
128
Pa last
130
P.A. Now (θ)
130°
Sep first
10.2
Sep last
9.7
Sep. Now (ρ)
9.7"
Mag pri
11.37
Mag sec
12.40
delta mag (ΔM)
1.03
Spectral class
Pri motion ra
-009
Sec motion ra
-002
Pri motion dec
-015
Sec motion dec
-016
Notes
rPM=0.404
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.6
Precise sep
9.72
Constellation
Hercules
last precise pa
129.6
last precise sep
9.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18420+2528 SLE 503 2000 2 130 9.9 11.37 12.40 D 184158.21+252733.0
18420+2528 SLE 503 2002 3 129 9.9 11.37 12.40 D 184158.21+252733.0
18420+2528 SLE 503 2010 4 129 9.5 11.37 12.40 184158.21+252733.0

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