15578-4100 SEE 252 AB (HD 142754)

 
 
15h 57m 49.19s -40 59' 49.8" P.A. 281.00 sep 0.4 mag 9.40,9.40 Sp B2III
 
 
Coord 2000 15578-4100 Discov num SEE 252 Comp AB Coord arcsec 2000 15 57 49.19 -40 59 49.8
Date first 1897 Date last 1897 Obs 1
Pa first 281 Pa last 281.4 P.A. Now (θ) 281.4°
Sep first 0.4 Sep last 0.37 Sep. Now (ρ) 0.37"
Mag pri 9.40 Mag sec 9.40 delta mag (ΔM) 0 Spectral class B2III (blue-white)
Pri motion ra -011 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
15578-4100 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 142754 226404 15 57 49 -40 59 50 SEE 252 AB 1897 1 281 0.4 9.40 9.40 0.00 <===
Show 226404 15 57 49 -40 59 50 SEE 252 AB,C 1999 4 218 18.6 8.63 13.40 4.77
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142754 Constellation Lupus SAO 226404 Tycho2 7842-00329-1
Gaia DR2 5996029848549395840 HD 142754 DM CP-40 7155