15548-5020 DUN 195AC

 
 
15h 54m 50.46s -50 20' 17.9" P.A. 299 sep 27.7 mag 6.81,11.00 Sp A2
 
 
Coord 2000
15548-5020
Discov num
DUN 195
Comp
AC
Coord arcsec 2000
15 54 50.46 -50 20 17.9
Date first
1900
Date last
2010
Obs
8
Pa first
289
Pa last
299
P.A. Now (θ)
299°
Sep first
28.8
Sep last
27.7
Sep. Now (ρ)
27.7"
Mag pri
6.81
Mag sec
11.00
delta mag (ΔM)
4.19
Spectral class
A2 (white)
Pri motion ra
-041
Sec motion ra
-009
Pri motion dec
-040
Sec motion dec
-002
Notes
N W (See Notes, )
rPM=0.867
This double is not physical.
 
 
15548-5020 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 243110 15548-5020 DUN 195 AB 1826 2016 30 9 12.1 6.81 7.46 0.65
Show 243110 15548-5020 DUN 195 AC 1900 2010 8 299 27.7 6.81 11.00 4.19 <===
Show 243111 15548-5020 DUN 195 BC 1903 2013 4 272 25.1 7.50 11.30 3.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.9
Precise sep
27.68
Cdsa2 id
DUN 195 AC
Constellation
Norma
SAO
243110
Tycho2
8317-01709-1
HD
142080
Ra deg
15.914016666666667
De deg
-50.33830555555556
last precise pa
298.9
last precise sep
27.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15548-5020 DUN 195 AC 1999 5 299 26.5 6.81 11.00 A2 N D 155450.46-502017.9
15548-5020 DUN 195 AC 2008 6 301 26.8 6.81 11.00 A2 N D 155450.46-502017.9
15548-5020 DUN 195 AC 2010 7 299 27.7 6.81 11.00 A2 N D 155450.46-502017.9

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