17209-3149 HJ 4940

 
 
17h 20m 50.42s -31 49' 07.2" P.A. 83 sep 5.2 mag 10.75,10.80
 
 
Coord 2000
17209-3149
Discov num
HJ 4940
Comp
Coord arcsec 2000
17 20 50.42 -31 49 07.2
Date first
1834
Date last
1999
Obs
7
Pa first
94
Pa last
83
P.A. Now (θ)
83°
Sep first
2.0
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
10.75
Mag sec
10.80
delta mag (ΔM)
0.05
Spectral class
Pri motion ra
-003
Sec motion ra
+038
Pri motion dec
-010
Sec motion dec
-002
Notes
rPM=1.098
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.5
Precise sep
5.197
Constellation
Scorpius
Tycho2
7362-00862-1
last precise pa
82.5
last precise sep
5.197
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17209-3149 HJ 4940 1998 5 83 5.2 10.75 10.80 D 172050.42-314907.2
17209-3149 HJ 4940 1999 6 83 5.2 10.75 10.80 D 172050.42-314907.2

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