18407+2509 SLE 499

 
 
18h 40m 42.88s +25 08' 31.4" P.A. 347 sep 31.1 mag 12.43,13.30
 
 
Coord 2000
18407+2509
Discov num
SLE 499
Comp
Coord arcsec 2000
18 40 42.88 +25 08 31.4
Date first
1897
Date last
2010
Obs
6
Pa first
347
Pa last
347
P.A. Now (θ)
347°
Sep first
30.6
Sep last
31.1
Sep. Now (ρ)
31.1"
Mag pri
12.43
Mag sec
13.30
delta mag (ΔM)
0.87
Spectral class
Pri motion ra
-002
Sec motion ra
+002
Pri motion dec
-006
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2111-01212-1
last precise pa
347
last precise sep
31.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18407+2509 SLE 499 2000 4 347 31.0 12.43 13.30 D 184042.88+250831.4
18407+2509 SLE 499 2002 5 347 30.9 12.43 13.30 D 184042.88+250831.4
18407+2509 SLE 499 2010 6 347 31.2 12.43 13.30 184042.88+250831.4

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