17505-5337 HJ 4978 (Ups1 Ara)

 
 
17h 50m 28.40s -53° 36' 44.7" P.A. 268.00 sep 12.3 mag 5.69,9.22 Sp B3III+B9V dist. 303.03 pc (988.48 l.y.)
 
 
Coord 2000 17505-5337 Discov num HJ 4978 Comp Coord arcsec 2000 17 50 28.40 -53 36 44.7
Date first 1834 Date last 2016 Obs 18
Pa first 270 Pa last 267.7 P.A. Now (θ) 267.7°
Sep first 12.1 Sep last 12.26 Sep. Now (ρ) 12.26"
Mag pri 5.69 Mag sec 9.22 delta mag (ΔM) 3.53 Spectral class B3III+B9V (blue-white/blue-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec -010 Sec motion dec -010
Notes N Z (See Notes, Parallax indicates components are physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Ups1 Ara Var name V539 Ara Constellation Ara SAO 245065
HIP 87314 Tycho2 8742-03096-1 Gaia DR2 5921022161722960512 HD 161783
HR 6622 GC 24187 CP CP-53 8799 Bayer Upsilon 1 Arae
Bayer name Ups1 Ara Distance 303.03 Distance ly 988.48 Bayer greek υ1 Ara