16115-5022 HDS2289Aa,Ab

 
 
16h 11m 29.70s -50 21' 55.0" P.A. 228 sep 0.7 mag 11.01,11.39 Sp K3V dist. 66.36 pc (216.47 l.y.)
 
 
Coord 2000
16115-5022
Discov num
HDS2289
Comp
Aa,Ab
Coord arcsec 2000
16 11 29.70 -50 21 55.0
Date first
1991
Date last
2014
Obs
2
Pa first
247
Pa last
228
P.A. Now (θ)
228°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.01
Mag sec
11.39
delta mag (ΔM)
0.38
Spectral class
K3V (yellow-orange)
Pri motion ra
-021
Sec motion ra
Pri motion dec
-081
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16115-5022 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16115-5022 HDS2289 Aa,Ab 1991 2014 2 228 0.7 11.01 11.39 0.38 <===
Show 16115-5022 LDS 552 AB 1903 1999 6 148 105.4 10.51 11.12 0.61
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.4
Precise sep
0.652
Constellation
Norma
HIP
79336
Tycho2
8319-01561-1
HD
145092
CD
CD-5010199
CP
CP-50 9011
Distance
66.36
Distance ly
216.47
last precise pa
228.4
last precise sep
0.652
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16115-5022 HDS2289 Aa,Ab 1991 1 247 0.5 11.01 11.39 K3V 161129.70-502155.0
16115-5022 HDS2289 Aa,Ab 2014 2 228 0.7 11.01 11.39 K3V 161129.70-502155.0

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