12255-6929 HJ 4522AB

 
 
12h 25m 30.45s -69 28' 36.1" P.A. 66 sep 13 mag 7.88,8.68 Sp B5V+B8V dist. 261.78 pc (853.93 l.y.)
 
 
Coord 2000
12255-6929
Discov num
HJ 4522
Comp
AB
Coord arcsec 2000
12 25 30.45 -69 28 36.1
Date first
1835
Date last
2004
Obs
20
Pa first
62
Pa last
66
P.A. Now (θ)
66°
Sep first
5.0
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
7.88
Mag sec
8.68
delta mag (ΔM)
0.8
Spectral class
B5V+B8V (blue-white/blue-white)
Pri motion ra
-016
Sec motion ra
-019
Pri motion dec
-002
Sec motion dec
+001
Notes
Z (Parallax indicates components are physical)
rPM=0.223 (< 0.3, Physical double)
This double is physical.
 
 
12255-6929 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 251894 12255-6929 HJ 4522 AB 1835 2004 20 66 13.0 7.88 8.68 0.80 <===
Show 251894 12255-6929 SIN 116 AC 1998 2004 3 259 19.6 7.88 12.04 4.16
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.3
Precise sep
13.021
Constellation
Musca
SAO
251894
HIP
60627
Tycho2
9232-01720-1
HD
108073
CP
CP-68 1650
Distance
261.78
Distance ly
853.93
last precise pa
66.3
last precise sep
13.021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12255-6929 HJ 4522 AB 2004 19 66 13.0 7.88 8.68 B8 ZD 122530.45-692836.1
12255-6929 HJ 4522 AB 2010 21 67 12.5 7.88 8.68 B5V+B8V Z 122530.45-692836.1

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