15417-4531 I   542

 
 
15h 41m 39.77s -45 31' 23.3" P.A. 186 sep 2.8 mag 9.08,10.21 Sp A9V
 
 
Coord 2000
15417-4531
Discov num
I   542
Comp
Coord arcsec 2000
15 41 39.77 -45 31 23.3
Date first
1909
Date last
1998
Obs
8
Pa first
190
Pa last
186
P.A. Now (θ)
186°
Sep first
2.5
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
9.08
Mag sec
10.21
delta mag (ΔM)
1.13
Spectral class
A9V (white)
Pri motion ra
-018
Sec motion ra
-011
Pri motion dec
+003
Sec motion dec
-022
Notes
rPM=1.055
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.6
Precise sep
2.761
Constellation
Lupus
SAO
226072
Tycho2
8296-02769-1
HD
139737
last precise pa
185.6
last precise sep
2.761
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15417-4531 I 542 1992 7 186 2.7 9.08 10.21 A9V 154139.77-453123.3
15417-4531 I 542 1998 8 186 2.8 9.08 10.21 A9V 154139.77-453123.3

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