15388-5222 DUN 189AB

 
 
15h 38m 49.47s -52 22' 21.7" P.A. 280 sep 53 mag 5.42,10.72 Sp A0V dist. 125.31 pc (408.76 l.y.)
 
 
Coord 2000
15388-5222
Discov num
DUN 189
Comp
AB
Coord arcsec 2000
15 38 49.47 -52 22 21.7
Date first
1826
Date last
1999
Obs
8
Pa first
310
Pa last
280
P.A. Now (θ)
280°
Sep first
56.0
Sep last
53.0
Sep. Now (ρ)
53"
Mag pri
5.42
Mag sec
10.72
delta mag (ΔM)
5.3
Spectral class
A0V (white)
Pri motion ra
-036
Sec motion ra
-048
Pri motion dec
-031
Sec motion dec
-073
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
15388-5222 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 242793 15388-5222 DUN 189 AB 1826 1999 8 280 53.0 5.42 10.72 5.30 <===
Show 242793 15388-5222 I 88 BC 1896 1999 7 23 4.9 10.72 11.40 0.68
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.7
Precise sep
53.02
Constellation
Norma
SAO
242793
HIP
76618
Tycho2
8308-02515-1
HD
139129
HR
5798
CD
CD-51 9324
CP
CP-51 8320
Distance
125.31
Distance ly
408.76
last precise pa
279.7
last precise sep
53.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15388-5222 DUN 189 AB 1999 7 280 53.0 5.42 10.72 A0V D 153849.47-522221.7

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