02439+2538 BU 306 AB (HD 16955)

 
 
02h 43m 51.25s +25° 38' 18.0" P.A. 19.00 sep 2.9 mag 6.40,10.36 Sp A3V dist. 104.28 pc (340.16 l.y.)
 
 
Coord 2000 02439+2538 Discov num BU  306 Comp AB Coord arcsec 2000 02 43 51.25 +25 38 18.0
Date first 1870 Date last 2016 Obs 32
Pa first 17 Pa last 18.8 P.A. Now (θ) 18.8°
Sep first 2.9 Sep last 2.948 Sep. Now (ρ) 2.948"
Mag pri 6.40 Mag sec 10.36 delta mag (ΔM) 3.96 Spectral class A3V (white)
Pri motion ra -006 Sec motion ra -005
Pri motion dec +006 Sec motion dec +004
Notes
rPM=0.264 (< 0.3, Physical double)
This double is physical.
 
 
02439+2538 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 16955 75539 02 43 51 +25 38 18 BU 306 AB 2016 32 19 2.9 6.40 10.36 3.96 <===
Show 75539 02 43 51 +25 38 18 BU 306 AC 2015 9 92 51.1 6.40 12.94 6.54
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 16955 Constellation Aries SAO 75539 HIP 12744
Tycho2 1772-00041-1 Gaia DR2 114259087990997248 HD 16955 HR 803
GC 3282 ADS 2082 BD BD+25 441 Distance 104.28
Distance ly 340.16