03323-0705 STF 411 AB (HD 21978)

 
 
03h 32m 15.40s -07° 05' 24.1" P.A. 88.00 sep 18.8 mag 7.36,9.19 Sp F5III+ dist. 119.33 pc (389.25 l.y.)
 
 
Coord 2000 03323-0705 Discov num STF 411 Comp AB Coord arcsec 2000 03 32 15.40 -07 05 24.1
Date first 1831 Date last 2016 Obs 34
Pa first 90 Pa last 88.1 P.A. Now (θ) 88.1°
Sep first 18.0 Sep last 18.764 Sep. Now (ρ) 18.764"
Mag pri 7.36 Mag sec 9.19 delta mag (ΔM) 1.83 Spectral class F5III+ (yellow-white)
Pri motion ra -036 Sec motion ra -037
Pri motion dec -046 Sec motion dec -046
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
03323-0705 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 21978 130551 03 32 15 -07 05 24 STF 411 AB 2016 34 88 18.8 7.36 9.19 1.83 <===
Show 130551 03 32 15 -07 05 24 STF 411 AC 2015 11 31 45.0 7.36 13.59 6.23
Show 130551 03 32 15 -07 05 24 ABH 21 AD 2015 8 72 82.7 7.36 13.39 6.03
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21978 Constellation Eridanus SAO 130551 HIP 16485
Tycho2 4722-00343-1 Gaia DR2 5168647176826954880 HD 21978 BD BD-07 618
Distance 119.33 Distance ly 389.25