00453+5513 BU 492 AB (HD 4222)

 
 
00h 45m 17.20s +55 13' 17.1" P.A. 173.00 sep 1.5 mag 5.42,11.50 Sp A2Vs dist. 98.81 pc (322.32 l.y.)
 
 
Coord 2000 00453+5513 Discov num BU  492 Comp AB Coord arcsec 2000 00 45 17.20 +55 13 17.1
Date first 1878 Date last 2017 Obs 13
Pa first 153 Pa last 172.8 P.A. Now (θ) 172.8°
Sep first 1.9 Sep last 1.536 Sep. Now (ρ) 1.536"
Mag pri 5.42 Mag sec 11.50 delta mag (ΔM) 6.08 Spectral class A2Vs (white)
Pri motion ra -036 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
00453+5513 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21677 00 45 17 +55 13 17 DCH 129 Aa,Ab 2017 2 246 0.7 5.40 9.90 4.50
Show HD 4222 21677 00 45 17 +55 13 17 BU 492 AB 2017 13 173 1.5 5.42 11.50 6.08 <===
Show 21677 00 45 17 +55 13 17 BU 492 AC 2015 7 26 88.6 5.42 11.34 5.92
Show 00 45 22 +55 14 37 FYM 184 CD 2015 7 91 23.2 11.30 14.00 2.70
Show 00 45 24 +55 14 36 FYM 184 DE 2015 7 129 13.7 14.00 15.30 1.30
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4222 Constellation Cassiopeia SAO 21677 HIP 3544
Tycho2 3659-02174-1 Gaia DR2 418414069011230720 HD 4222 HR 196
GC 894 ADS 625 BD BD+54 143 Distance 98.81
Distance ly 322.32