17193-5323 DUN 215 AC

 
 
17h 19m 19.78s -53° 23' 07.2" P.A. 89.00 sep 63.3 mag 8.43,10.11 Sp A dist. 77.94 pc (254.24 l.y.)
 
 
Coord 2000 17193-5323 Discov num DUN 215 Comp AC Coord arcsec 2000 17 19 19.78 -53 23 07.2
Date first 1892 Date last 2000 Obs 11
Pa first 107 Pa last 88.9 P.A. Now (θ) 88.9°
Sep first 61.3 Sep last 63.29 Sep. Now (ρ) 63.29"
Mag pri 8.43 Mag sec 10.11 delta mag (ΔM) 1.68 Spectral class A (white)
Pri motion ra -017 Sec motion ra +003
Pri motion dec -174 Sec motion dec -008
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.956
This double is not physical.
 
 
17193-5323 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156239 244621 17 19 20 -53 23 07 DUN 215 AB 2015 15 43 61.6 8.43 9.00 0.57
Show 244621 17 19 20 -53 23 07 DUN 215 AC 2000 11 89 63.3 8.43 10.11 1.68 <===
Show 17 19 27 -53 23 08 DUN 215 CD 2015 8 157 13.0 10.11 11.41 1.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara SAO 244621 HIP 84737 Tycho2 8727-00689-1
Gaia DR2 5923327700182691840 HD 156239 CP CP-53 8529 Distance 77.94
Distance ly 254.24