15427-3443 ISO   1AB (Psi2 Lup)

 
 
15h 42m 41.04s -34 42' 37.2" P.A. 133.00 sep 0.5 mag 4.75, Sp B5V dist. 111.48 pc (363.65 l.y.)
 
 
Coord 2000
15427-3443
Discov num
ISO   1
Comp
AB
Coord arcsec 2000
15 42 41.04 -34 42 37.2
Date first
1987
Date last
2000
Obs
2
Pa first
157
Pa last
133
P.A. Now (θ)
133°
Sep first
0.2
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
4.75
Mag sec
delta mag (ΔM)
Spectral class
B5V (blue-white)
Pri motion ra
-024
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
15427-3443 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 206889 15427-3443 RIZ 17 Aa,Ab 2010 2010 0 0.0 5.50 5.50 0.00
Show Psi2 Lup 206889 15427-3443 ISO 1 AB 1987 2000 2 133 0.5 4.75 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.8
Precise sep
0.507
Name
Psi2 Lup
Constellation
Lupus
SAO
206889
HIP
76945
Tycho2
7335-00936-1
Gaia DR2
6014848745954046208
HD
140008
HR
5839
GC
21106
CD
CD-3410494
CP
CP-34 6387
Bayer
Psi 2 Lupi
Bayer name
Psi2 Lup
Flamsteed
4 Lupi
Flamsteed name
4 Lup
Distance
111.48
Distance ly
363.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15427-3443 ISO 1 AB 2000 2 133 0.5 4.75   B5V N 154241.04-344237.2

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