15548-5020 DUN 195BC

 
 
15h 54m 50.67s -50 20' 06.2" P.A. 274 sep 24.9 mag 7.50,11.30 Sp A
 
 
Coord 2000
15548-5020
Discov num
DUN 195
Comp
BC
Coord arcsec 2000
15 54 50.67 -50 20 06.2
Date first
1903
Date last
2015
Obs
5
Pa first
267
Pa last
274
P.A. Now (θ)
274°
Sep first
28.2
Sep last
24.9
Sep. Now (ρ)
24.9"
Mag pri
7.50
Mag sec
11.30
delta mag (ΔM)
3.8
Spectral class
A (white)
Pri motion ra
-043
Sec motion ra
-009
Pri motion dec
-031
Sec motion dec
-002
Notes
N W (See Notes, )
rPM=0.843
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 15548-5020 DUN 195 AB 1826 2016 30 9 12.1 6.81 7.46 0.65
Show 15548-5020 DUN 195 AC 1900 2015 9 300 26.4 6.81 11.00 4.19
Show 15548-5020 DUN 195 BC 1903 2015 5 274 24.9 7.50 11.30 3.80 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.5
Precise sep
24.865
Constellation
Norma
SAO
243111
Tycho2
8317-01714-1
Gaia DR2
25831001344
 
 
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 BC 2013 1 272 25.1 7.50 11.30 155450.67-502006.2
15548-5020 DUN 195 BC 2015 5 274 24.9 7.50 11.30 A N W 155450.67-502006.2

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