00310+3406 STF 33 (HD 2731)

 
 
00h 30m 58.47s +34 05' 53.9" P.A. 212.00 sep 2.8 mag 8.83,8.91 Sp F5 dist. 117.1 pc (381.98 l.y.)
 
 
Coord 2000 00310+3406 Discov num STF  33 Comp Coord arcsec 2000 00 30 58.47 +34 05 53.9
Date first 1831 Date last 2020 Obs 81
Pa first 206 Pa last 211.9 P.A. Now (θ) 211.9°
Sep first 2.5 Sep last 2.793 Sep. Now (ρ) 2.793"
Mag pri 8.83 Mag sec 8.91 delta mag (ΔM) 0.08 Spectral class F5 (yellow-white)
Pri motion ra +026 Sec motion ra +013
Pri motion dec -008 Sec motion dec -028
Notes
rPM=0.773
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2731 Constellation Andromeda SAO 53949 HIP 2429
Tycho2 2270-00393-2 Gaia DR2 365106240596798848 HD 2731 GC 605
ADS 421 BD BD+33 58 Distance 117.1 Distance ly 381.98