18157+0400 BAL2484AB

 
 
18h 15m 44.75s +03 59' 53.2" P.A. 357 sep 8 mag 10.01,11.60 Sp A5
 
 
Coord 2000
18157+0400
Discov num
BAL2484
Comp
AB
Coord arcsec 2000
18 15 44.75 +03 59 53.2
Date first
1982
Date last
2016
Obs
4
Pa first
0
Pa last
357
P.A. Now (θ)
357°
Sep first
6.5
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
10.01
Mag sec
11.60
delta mag (ΔM)
1.59
Spectral class
A5 (white)
Pri motion ra
+004
Sec motion ra
-008
Pri motion dec
+002
Sec motion dec
+031
Notes
rPM=0.98
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
357.2
Precise sep
8
Constellation
Ophiuchus
Tycho2
0440-01400-1
last precise pa
357.2
last precise sep
8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18157+0400 BAL2484 AB 2000 2 357 8.0 10.01 11.60 A5 D 181544.75+035953.2
18157+0400 BAL2484 AB 2010 4 358 7.7 10.01 11.60 A5 181544.75+035953.2
18157+0400 BAL2484 AB 2016 4 357 8.0 10.01 11.60 A5 181544.75+035953.2

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