02300+5715 BU 1172 AC

 
 
02h 30m 02.47s +57° 14' 56.1" P.A. 19.00 sep 38.8 mag 8.70,10.56 Sp B1IV
 
 
Coord 2000 02300+5715 Discov num BU 1172 Comp AC Coord arcsec 2000 02 30 02.47 +57 14 56.1
Date first 1908 Date last 2015 Obs 11
Pa first 20 Pa last 18.7 P.A. Now (θ) 18.7°
Sep first 38.6 Sep last 38.8 Sep. Now (ρ) 38.8"
Mag pri 8.70 Mag sec 10.56 delta mag (ΔM) 1.86 Spectral class B1IV (blue-white)
Pri motion ra +001 Sec motion ra -001
Pri motion dec +000 Sec motion dec -001
Notes
rPM=1.581
This double is not physical.
 
 
02300+5715 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 15325 23376 02 30 02 +57 14 56 BU 1172 AB 2022 9 237 1.7 8.70 11.10 2.40
Show 23376 02 30 02 +57 14 56 BU 1172 AC 2015 11 19 38.8 8.70 10.56 1.86 <===
Show 02 30 04 +57 15 33 DAM 751 CD 2015 3 36 6.8 10.60 14.70 4.10
Show 02 30 04 +57 15 38 DAM 751 DE 2015 2 89 3.1 14.70 15.20 0.50
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 23376 Tycho2 3695-01753-1 Gaia DR2 458034214602238720
HD 15325