16231-6921 DON 789BC

 
 
16h 23m 02.89s -69 21' 32.4" P.A. 253 sep 1.1 mag 10.11,11.09
 
 
Coord 2000
16231-6921
Discov num
DON 789
Comp
BC
Coord arcsec 2000
16 23 02.89 -69 21 32.4
Date first
1929
Date last
1991
Obs
3
Pa first
250
Pa last
253
P.A. Now (θ)
253°
Sep first
1.0
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
10.11
Mag sec
11.09
delta mag (ΔM)
0.98
Spectral class
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
+033
Sec motion dec
+033
Notes
Nature of this double is uncertain.
 
 
16231-6921 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 253520 16231-6921 GLI 227 A,BC 1852 2000 11 193 28.4 9.48 10.11 0.63
Show 253520 16231-6921 DON 789 BC 1929 1991 3 253 1.1 10.11 11.09 0.98 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.7
Precise sep
1.091
Constellation
Triangulum Australe
SAO
253520
Tycho2
9273-00471-1
last precise pa
252.7
last precise sep
1.091
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16231-6921 DON 789 BC 1991 3 253 1.1 10.11 11.09 162302.89-692132.4

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