00240-0329 BU 488 AC

00h 23m 59.82s -03° 28' 31.0" P.A. 58.00 sep 40.3 mag 7.41,12.40 Sp A2V dist. 131.93 pc (430.36 l.y.)

Coord 2000 00240-0329 Discov num BU  488 Comp AC Coord arcsec 2000 00 23 59.82 -03 28 31.0
Date first 1914 Date last 2015 Obs 5
Pa first 59 Pa last 58.4 P.A. Now (θ) 58.4°
Sep first 40.5 Sep last 40.29 Sep. Now (ρ) 40.29"
Mag pri 7.41 Mag sec 12.40 delta mag (ΔM) 4.99 Spectral class A2V (white)
Pri motion ra +019 Sec motion ra +011
Pri motion dec -006 Sec motion dec -008
Notes N W (See Notes, )




rPM=0.414

Nature of this double is uncertain.



00240-0329 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 1978 128739 00 23 60 -03 28 31 BU 488 AB 2016 22 340 3.3 7.41 10.28 2.87
Show 128739 00 23 60 -03 28 31 BU 488 AC 2015 5 58 40.3 7.41 12.40 4.99 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Pisces SAO 128739 HIP 1900 Tycho2 4668-00492-1
Gaia DR2 2540269475350780544 HD 1978 BD BD-04 40 Distance 131.93
Distance ly 430.36