17215-5628 HJ 4939 (HD 156555)

 
 
17h 21m 30.78s -56° 28' 17.8" P.A. 227.00 sep 29.6 mag 8.65,9.90 Sp A2III/IV
 
 
Coord 2000 17215-5628 Discov num HJ 4939 Comp Coord arcsec 2000 17 21 30.78 -56 28 17.8
Date first 1835 Date last 2015 Obs 12
Pa first 224 Pa last 226.8 P.A. Now (θ) 226.8°
Sep first 30.8 Sep last 29.639 Sep. Now (ρ) 29.639"
Mag pri 8.65 Mag sec 9.90 delta mag (ΔM) 1.25 Spectral class A2III/IV (white)
Pri motion ra -002 Sec motion ra -012
Pri motion dec -031 Sec motion dec -020
Notes N (See Notes)
rPM=0.479
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156555 Constellation Ara SAO 244655 Tycho2 8736-02600-1
Gaia DR2 5922333638585511424 HD 156555 DM CP-56 8164