03176+4241 WAL 21 AD

03h 17m 35.06s +42° 40' 30.4" P.A. 38.00 sep 51.0 mag 7.54,11.94 Sp F0 dist. 167.5 pc (546.38 l.y.)

Coord 2000 03176+4241 Discov num WAL  21 Comp AD Coord arcsec 2000 03 17 35.06 +42 40 30.4
Date first 1895 Date last 2014 Obs 8
Pa first 42 Pa last 37.8 P.A. Now (θ) 37.8°
Sep first 52.3 Sep last 50.969 Sep. Now (ρ) 50.969"
Mag pri 7.54 Mag sec 11.94 delta mag (ΔM) 4.4 Spectral class F0 (yellow-white)
Pri motion ra +036 Sec motion ra -002
Pri motion dec -025 Sec motion dec -007
Notes




rPM=0.959

This double is not physical.



03176+4241 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 20316 38703 03 17 35 +42 40 30 A 1704 A,BC 2016 11 212 85.8 7.54 11.56 4.02
Show 38703 03 17 35 +42 40 30 WAL 21 AD 2014 8 38 51.0 7.54 11.94 4.40 <===
Show 03 17 29 +42 39 46 A 1704 BC 2015 4 250 0.8 11.90 13.20 1.30


Quadruple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Perseus SAO 38703 HIP 15313 Tycho2 2856-01967-1
Gaia DR2 239735011357346944 HD 20316 BD BD+42 736 Distance 167.5
Distance ly 546.38