16122-2355 B  2801AB

 
 
16h 12m 09.90s -23 55' 17.3" P.A. 186 sep 12.2 mag 8.48,14.00 Sp A2IV dist. 181.16 pc (590.94 l.y.)
 
 
Coord 2000
16122-2355
Discov num
B  2801
Comp
AB
Coord arcsec 2000
16 12 09.90 -23 55 17.3
Date first
1930
Date last
2016
Obs
9
Pa first
225
Pa last
186
P.A. Now (θ)
186°
Sep first
10.0
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
8.48
Mag sec
14.00
delta mag (ΔM)
5.52
Spectral class
A2IV (white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16122-2355 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 184216 16122-2355 B 2801 AB 1930 2016 9 186 12.2 8.48 14.00 5.52 <===
Show 184216 16122-2355 JNN 224 AC 2005 2012 2 129 3.7 7.54 11.80 4.26
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.6
Precise sep
12.2
Constellation
Scorpius
SAO
184216
HIP
79392
Tycho2
6793-01257-1
HD
145505
CD
CD-2312769
Distance
181.16
Distance ly
590.94
last precise pa
185.6
last precise sep
12.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16122-2355 B 2801 AB 1930 1 225 10.0 8.00 14.00 A2IV 161209.90-235517.3
16122-2355 B 2801 AB 2015 8 185 14.1 8.48 14.00 A2IV 161209.90-235517.3
16122-2355 B 2801 AB 2016 9 186 12.2 8.48 14.00 A2IV 161209.90-235517.3

If you need more information about this double, apply for a data request form to the WDS.