20174-4004 WG  252

 
 
20h 17m 26.60s -40 03' 42.4" P.A. 99 sep 3.3 mag 12.00,12.00
 
 
Coord 2000
20174-4004
Discov num
WG  252
Comp
Coord arcsec 2000
20 17 26.60 -40 03 42.4
Date first
1904
Date last
2015
Obs
4
Pa first
96
Pa last
99
P.A. Now (θ)
99°
Sep first
3.8
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
12.00
Mag sec
12.00
delta mag (ΔM)
0
Spectral class
Pri motion ra
-044
Sec motion ra
-011
Pri motion dec
-018
Sec motion dec
-023
Notes
rPM=0.702
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.3
Precise sep
3.333
Constellation
Sagittarius
Gaia DR2
20257569536
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20174-4004 WG 252 1999 2 100 3.3 12.00 12.00 D 201726.60-400342.4
20174-4004 WG 252 2015 4 99 3.3 12.00 12.00 201726.60-400342.4

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