15169-6057 HDO 245 AB (Del Cir)

 
 
15h 16m 56.90s -60° 57' 26.1" P.A. 279.00 sep 53.9 mag 5.07,12.87 Sp O7IV dist. 1123.6 pc (3665.18 l.y.)
 
 
Coord 2000 15169-6057 Discov num HDO 245 Comp AB Coord arcsec 2000 15 16 56.90 -60 57 26.1
Date first 1891 Date last 2016 Obs 7
Pa first 270 Pa last 278.9 P.A. Now (θ) 278.9°
Sep first 30.0 Sep last 53.87 Sep. Now (ρ) 53.87"
Mag pri 5.07 Mag sec 12.87 delta mag (ΔM) 7.8 Spectral class O7IV (blue)
Pri motion ra -002 Sec motion ra +023
Pri motion dec -003 Sec motion dec -008
Notes N (See Notes)
rPM=1.047
This double is not physical.
 
 
15169-6057 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 253084 15 16 57 -60 57 26 SNA 39 Aab,c 2012 1 132 0.0 5.40 7.20 1.80
Show Del Cir 253084 15 16 57 -60 57 26 HDO 245 AB 2016 7 279 53.9 5.07 12.87 7.80 <===
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Del Cir Var name NSV6998 Cir Constellation Circinus SAO 253084
HIP 74778 Tycho2 9021-02243-1 Gaia DR2 5875491419647525248 HD 135240
HR 5664 GC 20507 CD CD-60 5539 CP CP-60 5701
Bayer Delta Circini Bayer name Del Cir Distance 1123.6 Distance ly 3665.18
Bayer greek δ Cir