20186-0146 BAL 258AB

 
 
20h 18m 36.12s -01 46' 11.7" P.A. 46.00 sep 5.8 mag 11.67,12.40
 
 
Coord 2000
20186-0146
Discov num
BAL 258
Comp
AB
Coord arcsec 2000
20 18 36.12 -01 46 11.7
Date first
1896
Date last
2015
Obs
7
Pa first
49
Pa last
46
P.A. Now (θ)
46°
Sep first
6.7
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
11.67
Mag sec
12.40
delta mag (ΔM)
0.73
Spectral class
Pri motion ra
-003
Sec motion ra
+019
Pri motion dec
-003
Sec motion dec
-003
Notes
rPM=1.144
This double is not physical.
 
 
20186-0146 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20186-0146 BAL 258 AB 1896 2015 7 46 5.8 11.67 12.40 0.73 <===
Show 20186-0146 J 1702 AC 1941 2015 7 289 11.7 11.67 13.30 1.63
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.8
Precise sep
5.832
Constellation
Aquila
Tycho2
5162-00207-1
Gaia DR2
08517286912
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20186-0146 BAL 258 AB 1941 3 50 4.0 12.79 12.90 201836.13-014611.3
20186-0146 BAL 258 AB 2000 4 46 5.9 12.79 12.90 201836.13-014611.3
20186-0146 BAL 258 AB 2015 7 46 5.8 11.67 12.40 201836.12-014611.7

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