20068-4031 WG  250

 
 
20h 06m 46.19s -40 30' 57.1" P.A. 330 sep 16.7 mag 10.00,10.40 Sp A7/8III/
 
 
Coord 2000
20068-4031
Discov num
WG  250
Comp
Coord arcsec 2000
20 06 46.19 -40 30 57.1
Date first
1879
Date last
2015
Obs
8
Pa first
331
Pa last
330
P.A. Now (θ)
330°
Sep first
14.0
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
10.00
Mag sec
10.40
delta mag (ΔM)
0.4
Spectral class
A7/8III/ (white)
Pri motion ra
-004
Sec motion ra
-007
Pri motion dec
+002
Sec motion dec
+009
Notes
N (See Notes)
rPM=0.668
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.8
Precise sep
16.717
Constellation
Sagittarius
Tycho2
7951-00983-1
Gaia DR2
78374460160
HD
190478
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20068-4031 WG 250 2000 4 330 16.8 10.00 10.40 N D 200646.19-403057.1
20068-4031 WG 250 2010 7 330 16.7 10.00 10.40 A7/8III/ N 200646.19-403057.1
20068-4031 WG 250 2015 8 330 16.7 10.00 10.40 A7/8III/ N 200646.19-403057.1

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