18336+1700 SLE 197BC

 
 
18h 33m 37.38s +16 59' 59.5" P.A. 120 sep 19.2 mag 12.60,11.51
 
 
Coord 2000
18336+1700
Discov num
SLE 197
Comp
BC
Coord arcsec 2000
18 33 37.38 +16 59 59.5
Date first
1982
Date last
2015
Obs
6
Pa first
121
Pa last
120
P.A. Now (θ)
120°
Sep first
19.6
Sep last
19.2
Sep. Now (ρ)
19.2"
Mag pri
12.60
Mag sec
11.51
delta mag (ΔM)
1.09
Spectral class
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-017
Sec motion dec
-004
Notes
rPM=0.766
Nature of this double is uncertain.
 
 
18336+1700 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18336+1700 SLE 197 AB 1982 2015 6 211 28.4 11.47 12.60 1.13
Show 18336+1700 SLE 197 AC 1896 2015 10 177 34.0 11.47 11.51 0.04
Show 18336+1700 SLE 197 AD 1982 2015 6 306 37.2 11.47 13.62 2.15
Show 18336+1700 SLE 197 BC 1982 2015 6 120 19.2 12.60 11.51 1.09 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.4
Precise sep
19.167
Constellation
Hercules
Tycho2
1574-00614-1
Gaia DR2
73595224064
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18336+1700 SLE 197 BC 2002 3 121 19.3 12.10 11.00 D 183337.38+165959.5
18336+1700 SLE 197 BC 2015 6 120 19.2 12.60 11.51 183337.38+165959.5

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