18546-3328 BRT1790

 
 
18h 54m 35.44s -33 27' 32.4" P.A. 242 sep 3.5 mag 11.71,12.00
 
 
Coord 2000
18546-3328
Discov num
BRT1790
Comp
Coord arcsec 2000
18 54 35.44 -33 27 32.4
Date first
1911
Date last
1999
Obs
6
Pa first
233
Pa last
242
P.A. Now (θ)
242°
Sep first
3.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
11.71
Mag sec
12.00
delta mag (ΔM)
0.29
Spectral class
Pri motion ra
+045
Sec motion ra
-040
Pri motion dec
+018
Sec motion dec
-025
Notes
rPM=1.965
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
242.4
Precise sep
3.503
Constellation
Sagittarius
Tycho2
7413-00435-1
last precise pa
242.4
last precise sep
3.503
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18546-3328 BRT1790 1998 5 242 3.5 11.71 12.00 D 185435.20-332734.0
18546-3328 BRT1790 1999 6 242 3.5 11.71 12.00 D 185435.20-332734.0

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