15538-4419 DON1115AB

 
 
15h 53m 51.26s -44 19' 07.0" P.A. 180 sep 5 mag 10.19,12.40 Sp A0
 
 
Coord 2000
15538-4419
Discov num
DON1115
Comp
AB
Coord arcsec 2000
15 53 51.26 -44 19 07.0
Date first
1930
Date last
1999
Obs
3
Pa first
185
Pa last
180
P.A. Now (θ)
180°
Sep first
5.0
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
10.19
Mag sec
12.40
delta mag (ΔM)
2.21
Spectral class
A0 (white)
Pri motion ra
-006
Sec motion ra
-003
Pri motion dec
+013
Sec motion dec
-127
Notes
rPM=1.102
This double is not physical.
 
 
15538-4419 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15538-4419 DON1115 AB 1930 1999 3 180 5.0 10.19 12.40 2.21 <===
Show 15538-4419 DON1115 BC 1930 1930 1 164 1.7 12.40 14.70 2.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180
Precise sep
5.04
Constellation
Norma
Tycho2
7850-00965-1
HD
142000
last precise pa
180
last precise sep
5.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15538-4419 DON1115 AB 1999 2 180 5.0 10.19 13.60 A0 D 155351.26-441907.0

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