18320+1754 SLE 621

 
 
18h 32m 02.25s +17 54' 07.6" P.A. 52 sep 12.5 mag 11.47,12.40
 
 
Coord 2000
18320+1754
Discov num
SLE 621
Comp
Coord arcsec 2000
18 32 02.25 +17 54 07.6
Date first
1982
Date last
2010
Obs
4
Pa first
50
Pa last
52
P.A. Now (θ)
52°
Sep first
12.5
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
11.47
Mag sec
12.40
delta mag (ΔM)
0.93
Spectral class
Pri motion ra
-003
Sec motion ra
+000
Pri motion dec
+004
Sec motion dec
-006
Notes
rPM=1.74
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.2
Precise sep
12.51
Constellation
Hercules
Tycho2
1574-02043-1
last precise pa
52.2
last precise sep
12.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18320+1754 SLE 621 1999 2 52 12.6 11.47 12.40 D 183202.25+175407.6
18320+1754 SLE 621 2001 3 52 12.5 11.47 12.40 D 183202.25+175407.6
18320+1754 SLE 621 2010 4 53 12.2 11.47 12.40 183202.25+175407.6

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