20257-3617 LDS 711

 
 
20h 25m 35.28s -36 15' 46.6" P.A. 143 sep 9.6 mag 13.00,13.00
 
 
Coord 2000
20257-3617
Discov num
LDS 711
Comp
Coord arcsec 2000
20 25 35.28 -36 15 46.6
Date first
1912
Date last
2015
Obs
8
Pa first
145
Pa last
143
P.A. Now (θ)
143°
Sep first
9.9
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
13.00
Mag sec
13.00
delta mag (ΔM)
0
Spectral class
Pri motion ra
-061
Sec motion ra
-054
Pri motion dec
-071
Sec motion dec
-075
Notes
rPM=0.086 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.6
Precise sep
9.578
Constellation
Sagittarius
Gaia DR2
20699505024
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257-3617 LDS 711 1998 4 143 9.6 13.00 13.00 D 202535.28-361546.6
20257-3617 LDS 711 2010 7 143 8.9 13.00 13.00 202535.28-361546.6
20257-3617 LDS 711 2015 8 143 9.6 13.00 13.00 202535.28-361546.6

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