18157+0400 SLE 147AC

 
 
18h 15m 44.75s +03 59' 53.2" P.A. 326 sep 30.5 mag 10.01,11.56 Sp A5
 
 
Coord 2000
18157+0400
Discov num
SLE 147
Comp
AC
Coord arcsec 2000
18 15 44.75 +03 59 53.2
Date first
1908
Date last
2016
Obs
9
Pa first
330
Pa last
326
P.A. Now (θ)
326°
Sep first
31.2
Sep last
30.5
Sep. Now (ρ)
30.5"
Mag pri
10.01
Mag sec
11.56
delta mag (ΔM)
1.55
Spectral class
A5 (white)
Pri motion ra
+004
Sec motion ra
-011
Pri motion dec
+002
Sec motion dec
-015
Notes
rPM=1.219
This double is not physical.
 
 
18157+0400 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18157+0400 BAL2484 AB 1982 2016 4 357 8.0 10.01 11.60 1.59
Show 18157+0400 SLE 147 AC 1908 2016 9 326 30.5 10.01 11.56 1.55 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326
Precise sep
30.541
Constellation
Ophiuchus
Tycho2
0440-01400-1
last precise pa
326
last precise sep
30.541
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18157+0400 SLE 147 AC 2002 7 326 30.3 10.01 11.56 A5 D 181544.75+035953.2
18157+0400 SLE 147 AC 2016 9 326 30.5 10.01 11.56 A5 181544.75+035953.2

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