18039+2558 SLE  88

 
 
18h 03m 51.56s +25 58' 17.3" P.A. 339 sep 3.7 mag 12.20,13.30
 
 
Coord 2000
18039+2558
Discov num
SLE  88
Comp
Coord arcsec 2000
18 03 51.56 +25 58 17.3
Date first
1982
Date last
2009
Obs
3
Pa first
322
Pa last
339
P.A. Now (θ)
339°
Sep first
3.4
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
12.20
Mag sec
13.30
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+038
Sec motion ra
-018
Pri motion dec
-083
Sec motion dec
+025
Notes
rPM=1.333
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.9
Precise sep
3.73
Constellation
Hercules
Tycho2
2095-02525-1
last precise pa
338.9
last precise sep
3.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18039+2558 SLE 88 1982 1 322 3.4 12.90 13.40 180351.46+255820.3
18039+2558 SLE 88 2009 2 339 3.7 12.90 13.40 180351.46+255820.3

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