17452-4458 BRT 990AB

 
 
17h 45m 13.10s -44 57' 59.1" P.A. 292 sep 4.4 mag 12.32,12.39
 
 
Coord 2000
17452-4458
Discov num
BRT 990
Comp
AB
Coord arcsec 2000
17 45 13.10 -44 57 59.1
Date first
1904
Date last
2000
Obs
4
Pa first
340
Pa last
292
P.A. Now (θ)
292°
Sep first
4.3
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
12.32
Mag sec
12.39
delta mag (ΔM)
0.07
Spectral class
Pri motion ra
-003
Sec motion ra
-084
Pri motion dec
-004
Sec motion dec
-039
Notes
B (Blue magnitudes)
rPM=0.953
This double is not physical.
 
 
17452-4458 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17452-4458 BRT 990 AB 1904 2000 4 292 4.4 12.32 12.39 0.07 <===
Show 17452-4458 BRT 990 BC 1904 1999 4 20 4.2 12.39 12.53 0.14
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.4
Precise sep
4.39
Cdsa2 id
BRT 990 AB
Constellation
Scorpius
Ra deg
17.75363888888889
De deg
-44.96641666666667
last precise pa
292.4
last precise sep
4.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17452-4458 BRT 990 AB 1905 2 336 4.3 12.32 12.39 B 174513.12-445758.7
17452-4458 BRT 990 AB 2000 4 292 4.4 12.32 12.39 B 174513.12-445758.7

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