20098-3127 PRO 228

 
 
20h 09m 47.01s -31 27' 12.9" P.A. 36 sep 4.9 mag 10.90,11.40
 
 
Coord 2000
20098-3127
Discov num
PRO 228
Comp
Coord arcsec 2000
20 09 47.01 -31 27 12.9
Date first
1910
Date last
2015
Obs
7
Pa first
22
Pa last
36
P.A. Now (θ)
36°
Sep first
2.6
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.90
Mag sec
11.40
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-033
Sec motion ra
+045
Pri motion dec
-036
Sec motion dec
+075
Notes
rPM=1.551
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
36.4
Precise sep
4.882
Constellation
Sagittarius
Gaia DR2
68184604416
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20098-3127 PRO 228 1999 4 34 4.6 10.90 11.40 D 200947.01-312712.9
20098-3127 PRO 228 2010 6 37 4.8 10.90 11.40 200947.01-312712.9
20098-3127 PRO 228 2015 7 36 4.9 10.90 11.40 200947.01-312712.9

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