18079+3042 SLE 138

 
 
18h 07m 52.31s +30 41' 56.6" P.A. 330 sep 10.2 mag 11.50,12.30
 
 
Coord 2000
18079+3042
Discov num
SLE 138
Comp
Coord arcsec 2000
18 07 52.31 +30 41 56.6
Date first
1989
Date last
2014
Obs
9
Pa first
327
Pa last
330
P.A. Now (θ)
330°
Sep first
9.8
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
11.50
Mag sec
12.30
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
+001
Sec motion ra
-006
Pri motion dec
-001
Sec motion dec
-003
Notes
rPM=1.085
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.4
Precise sep
10.24
Cdsa2 id
SLE 138
Constellation
Hercules
Ra deg
18.131197222222223
De deg
30.699055555555557
last precise pa
330.4
last precise sep
10.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18079+3042 SLE 138 1982 1 308 14.0 11.50 12.30 180752.70+304157.2
18079+3042 SLE 138 1999 1 329 10.1 11.50 12.30 180752.70+304157.2
18079+3042 SLE 138 2011 2 329 10.0 11.50 12.30 180752.70+304157.2
18079+3042 SLE 138 2012 7 329 10.5 11.50 12.30 180752.31+304156.6
18079+3042 SLE 138 2014 9 330 10.2 11.50 12.30 180752.31+304156.6

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