03334+2322 STT 57 AC (HD 21984)

 
 
03h 33m 23.73s +23° 22' 05.6" P.A. 33.00 sep 68.7 mag 7.17,7.67 Sp A3+G5
 
 
Coord 2000 03334+2322 Discov num STT  57 Comp AC Coord arcsec 2000 03 33 23.73 +23 22 05.6
Date first 1854 Date last 2017 Obs 43
Pa first 35 Pa last 33.1 P.A. Now (θ) 33.1°
Sep first 71.4 Sep last 68.7 Sep. Now (ρ) 68.7"
Mag pri 7.17 Mag sec 7.67 delta mag (ΔM) 0.5 Spectral class A3+G5 (white/yellow)
Pri motion ra +007 Sec motion ra -012
Pri motion dec -026 Sec motion dec -026
Notes N (See Notes)
rPM=0.664
Nature of this double is uncertain.
 
 
03334+2322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75987 03 33 24 +23 22 06 OCC 9080 Aa,Ab 1972 0 -1 0.1 7.40 9.10 1.70
Show 75987 03 33 24 +23 22 06 STT 57 AB 2015 7 170 32.9 7.17 12.80 5.63
Show HD 21984 75987 03 33 24 +23 22 06 STT 57 AC 2017 43 33 68.7 7.17 7.67 0.50 <===
Show 03 33 24 +23 21 33 OCC 9080 Ba,Bb 1972 0 -1 0.1 14.60 16.80 2.20
Show 75988 03 33 27 +23 23 04 STT 57 CD 2017 25 321 10.0 7.67 12.00 4.33
Sextuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21984 Constellation Taurus SAO 75987 Tycho2 1798-00480-1
Gaia DR2 67883714756349440 HD 21984