18550-3424 BRT1791

 
 
18h 55m 02.78s -34 23' 53.3" P.A. 85 sep 4.9 mag 11.32,12.30
 
 
Coord 2000
18550-3424
Discov num
BRT1791
Comp
Coord arcsec 2000
18 55 02.78 -34 23 53.3
Date first
1913
Date last
2015
Obs
5
Pa first
86
Pa last
85
P.A. Now (θ)
85°
Sep first
3.9
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
11.32
Mag sec
12.30
delta mag (ΔM)
0.98
Spectral class
Pri motion ra
-026
Sec motion ra
+093
Pri motion dec
-012
Sec motion dec
-004
Notes
rPM=1.281
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.8
Precise sep
4.91
Constellation
Sagittarius
Tycho2
7417-00213-1
Gaia DR2
6732638867474893056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18550-3424 BRT1791 1998 2 85 4.8 11.32 12.30 D 185502.78-342353.3
18550-3424 BRT1791 1999 3 85 4.8 11.32 12.30 D 185502.78-342353.3
18550-3424 BRT1791 2010 4 86 5.1 11.32 12.30 185502.78-342353.3
18550-3424 BRT1791 2015 5 85 4.9 11.32 12.30 185502.78-342353.3

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