22398-1942 HDO 171BC

 
 
22h 39m 45.27s -19 40' 54.3" P.A. 264 sep 10.1 mag 10.47,11.87
 
 
Coord 2000
22398-1942
Discov num
HDO 171
Comp
BC
Coord arcsec 2000
22 39 45.27 -19 40 54.3
Date first
1917
Date last
2015
Obs
13
Pa first
260
Pa last
264
P.A. Now (θ)
264°
Sep first
12.2
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
10.47
Mag sec
11.87
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
-013
Sec motion ra
+009
Pri motion dec
-013
Sec motion dec
-007
Notes
rPM=0.72
This double is not physical.
 
 
22398-1942 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 22398-1942 HDO 171 AB 1917 2015 13 357 66.5 9.25 10.47 1.22
Show 22398-1942 HDO 171 BC 1917 2015 13 264 10.1 10.47 11.87 1.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Dm number
-4216547
last precise pa
264.3
last precise sep
10.089
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22398-1942 HDO 171 BC 2007 10 264 10.3 10.47 11.87 223945.27-194054.3
22398-1942 HDO 171 BC 2015 13 264 10.1 10.47 11.87 223945.27-194054.3

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