02309+5311 HJ 2139AC

 
 
02H 30M 52.93S +53 10' 19.0" P.A. 8 SEP 18.1 MAG 8.85,12.40 SP F5
 
 
Coord 2000
02309+5311
Discov num
HJ 2139
Comp
AC
Coord arcsec 2000
02 30 52.93 +53 10 19.0
Date first
1900
Date last
2016
Obs
11
Pa first
7
Pa last
8
P.A. Now (θ)
Sep first
20.4
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
8.85
Mag sec
12.40
delta mag (ΔM)
3.55
Spectral class
F5 (yellow-white)
Pri motion ra
+016
Sec motion ra
+009
Pri motion dec
+008
Sec motion dec
+002
Notes
rPM=0.515
Nature of this double is uncertain.
 
 
02309+5311 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02309+5311 HJ 2139 AB 1900 2016 28 297 3.9 8.85 9.15 0.30
Show 02309+5311 HJ 2139 AC 1900 2016 11 8 18.1 8.85 12.40 3.55 <===
Show 02309+5311 HJ 2139 AD 1931 2016 5 203 59.5 8.85 11.93 3.08
Show 02309+5311 HJ 2139 BC 1900 2016 11 21 17.1 9.15 12.40 3.25
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
Tycho2
3687-00778-1
HD
15434
last precise pa
8.2
last precise sep
18.076