02181+5731 BU 1170 A,BC (Chi Per)

 
 
02h 18m 04.58s +57° 30' 58.7" P.A. 358.00 sep 68.7 mag 6.11,12.29 Sp G7III dist. 251.26 pc (819.61 l.y.)
 
 
Coord 2000 02181+5731 Discov num BU 1170 Comp A,BC Coord arcsec 2000 02 18 04.58 +57 30 58.7
Date first 1835 Date last 2013 Obs 12
Pa first 354 Pa last 357.9 P.A. Now (θ) 357.9°
Sep first 65.0 Sep last 68.681 Sep. Now (ρ) 68.681"
Mag pri 6.11 Mag sec 12.29 delta mag (ΔM) 6.18 Spectral class G7III (yellow)
Pri motion ra -013 Sec motion ra +025
Pri motion dec -002 Sec motion dec -012
Notes N (See Notes)
rPM=1.417
This double is not physical.
 
 
02181+5731 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Chi Per 23149 02 18 05 +57 30 59 BU 1170 A,BC 2013 12 358 68.7 6.11 12.29 6.18 <===
Show 23149 02 18 05 +57 30 59 S 409 AD 2015 21 136 123.3 6.11 9.62 3.51
Show 23149 02 18 05 +57 30 59 BU 1170 AE 2015 8 12 207.1 6.11 12.39 6.28
Show 23149 02 18 04 +57 32 07 BU 1170 BC 2012 5 309 0.5 11.50 11.70 0.20
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Chi Per Constellation Perseus SAO 23149 HIP 10729
Tycho2 3694-02581-1 Gaia DR2 458574349694431488 HD 13994 HR 662
GC 2752 ADS 1753 BD BD+56 486 Bayer Chi Persei
Bayer name Chi Per Flamsteed 7 Persei Flamsteed name 7 Per Distance 251.26
Distance ly 819.61 Bayer greek χ Per