02300+5715 BU 1172AB

 
 
02H 30M 02.47S +57 14' 56.1" P.A. 237 SEP 1.7 MAG 8.70,11.10 SP B1IV
 
 
Coord 2000
02300+5715
Discov num
BU 1172
Comp
AB
Coord arcsec 2000
02 30 02.47 +57 14 56.1
Date first
1890
Date last
1967
Obs
8
Pa first
238
Pa last
237
P.A. Now (θ)
237°
Sep first
1.6
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
8.70
Mag sec
11.10
delta mag (ΔM)
2.4
Spectral class
B1IV (blue-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02300+5715 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23376 02300+5715 BU 1172 AB 1890 1967 8 237 1.7 8.70 11.10 2.40 <===
Show 23376 02300+5715 BU 1172 AC 1908 2015 11 19 38.8 8.70 10.56 1.86
Show 02300+5715 DAM 751 CD 2000 2015 4 36 6.8 10.60 14.70 4.10
Show 02300+5715 DAM 751 DE 2000 2015 3 89 3.1 14.70 15.20 0.50
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
23376
Tycho2
3695-01753-1
HD
15325
last precise pa
236.8
last precise sep
1.73