03212+2109 COU 259 (Tau Ari)

03h 21m 13.63s +21° 08' 49.5" P.A. 217.00 sep 0.9 mag 5.34,8.09 Sp B5IV dist. 156.01 pc (508.9 l.y.)

Coord 2000 03212+2109 Discov num COU 259 Comp Coord arcsec 2000 03 21 13.63 +21 08 49.5
Date first 1968 Date last 2016 Obs 28
Pa first 246 Pa last 216.6 P.A. Now (θ) 216.6°
Sep first 0.7 Sep last 0.89 Sep. Now (ρ) 0.89"
Mag pri 5.34 Mag sec 8.09 delta mag (ΔM) 2.75 Spectral class B5IV (blue-white)
Pri motion ra +026 Sec motion ra +026
Pri motion dec -025 Sec motion dec -025
Notes N (See Notes)




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Name Tau Ari Constellation Aries SAO 75886 HIP 15627
Tycho2 1245-01184-1 Gaia DR2 61292039470080384 HD 20756 HR 1005
GC 4007 BD BD+20 543 Bayer Tau Arietis Bayer name Tau Ari
Flamsteed 61 Arietis Flamsteed name 61 Ari FK5 1094 Distance 156.01
Distance ly 508.9 Bayer greek τ Ari