18518-2141 DON 929

 
 
18h 51m 45.27s -21 40' 39.3" P.A. 330 sep 4 mag 11.74,12.70
 
 
Coord 2000
18518-2141
Discov num
DON 929
Comp
Coord arcsec 2000
18 51 45.27 -21 40 39.3
Date first
1921
Date last
1999
Obs
5
Pa first
336
Pa last
330
P.A. Now (θ)
330°
Sep first
4.5
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.74
Mag sec
12.70
delta mag (ΔM)
0.96
Spectral class
Pri motion ra
+029
Sec motion ra
-039
Pri motion dec
-029
Sec motion dec
+068
Notes
N (See Notes)
rPM=1.511
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.5
Precise sep
4.037
Constellation
Sagittarius
last precise pa
329.5
last precise sep
4.037
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18518-2141 DON 929 1998 4 329 4.1 11.74 12.70 N D 185145.27-214039.3
18518-2141 DON 929 1999 5 330 4.0 11.74 12.70 N D 185145.27-214039.3

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