17557-5055 BRT1003

 
 
17h 55m 38.12s -50 54' 56.9" P.A. 85 sep 4.6 mag 12.56,12.90
 
 
Coord 2000
17557-5055
Discov num
BRT1003
Comp
Coord arcsec 2000
17 55 38.12 -50 54 56.9
Date first
1904
Date last
2000
Obs
5
Pa first
96
Pa last
85
P.A. Now (θ)
85°
Sep first
3.3
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
12.56
Mag sec
12.90
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85.4
Precise sep
4.61
Constellation
Ara
Tycho2
8356-00915-1
last precise pa
85.4
last precise sep
4.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17557-5055 BRT1003 1904 2 87 4.2 12.56 12.90 175542.37-505438.2
17557-5055 BRT1003 2000 5 85 4.6 12.56 12.90 175538.12-505456.9

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