16467-6707 HDO 257AB (LP TrA)

 
 
16h 46m 39.99s -67 06' 35.0" P.A. 193 sep 32.7 mag 5.13,11.50 Sp ApSi dist. 213.68 pc (697.02 l.y.)
 
 
Coord 2000
16467-6707
Discov num
HDO 257
Comp
AB
Coord arcsec 2000
16 46 39.99 -67 06 35.0
Date first
1891
Date last
2000
Obs
4
Pa first
180
Pa last
193
P.A. Now (θ)
193°
Sep first
30.0
Sep last
32.7
Sep. Now (ρ)
32.7"
Mag pri
5.13
Mag sec
11.50
delta mag (ΔM)
6.37
Spectral class
ApSi (white)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
-014
Sec motion dec
-020
Notes
N (See Notes)
rPM=0.234 (< 0.3, Physical double)
This double is physical.
 
 
16467-6707 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show LP TrA 253688 16467-6707 HDO 257 AB 1891 2000 4 193 32.7 5.13 11.50 6.37 <===
Show 253688 16467-6707 I 1621 AC 1900 2000 3 211 41.7 5.13 12.60 7.47
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
192.6
Precise sep
32.68
Var name
LP TrA
Constellation
Triangulum Australe
SAO
253688
HIP
82129
Tycho2
9050-02573-1
HD
150549
HR
6204
CP
CP-66 3009
Distance
213.68
Distance ly
697.02
last precise pa
192.6
last precise sep
32.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16467-6707 HDO 257 AB 1900 2 123 25.0 5.13 11.50 ApSi N 164640.01-670634.8
16467-6707 HDO 257 AB 2000 3 193 32.7 5.13 11.50 ApSi N D 164639.99-670635.0

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