18462+2542 SLE 509

 
 
18h 46m 09.53s +25 42' 27.8" P.A. 18 sep 20 mag 11.51,12.50
 
 
Coord 2000
18462+2542
Discov num
SLE 509
Comp
Coord arcsec 2000
18 46 09.53 +25 42 27.8
Date first
1897
Date last
2010
Obs
6
Pa first
19
Pa last
18
P.A. Now (θ)
18°
Sep first
22.4
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
11.51
Mag sec
12.50
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+003
Sec motion ra
-008
Pri motion dec
+016
Sec motion dec
-001
Notes
rPM=1.244
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.7
Precise sep
19.98
Constellation
Hercules
Tycho2
2112-00180-1
last precise pa
17.7
last precise sep
19.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18462+2542 SLE 509 2000 4 18 20.2 11.51 12.50 D 184609.53+254227.8
18462+2542 SLE 509 2002 5 18 20.1 11.51 12.50 D 184609.53+254227.8
18462+2542 SLE 509 2010 6 18 19.9 11.51 12.50 184609.53+254227.8

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