17289-3152 PRO 164

 
 
17h 28m 56.33s -31 51' 09.7" P.A. 57 sep 2.5 mag 12.96,12.55
 
 
Coord 2000
17289-3152
Discov num
PRO 164
Comp
Coord arcsec 2000
17 28 56.33 -31 51 09.7
Date first
1911
Date last
2000
Obs
3
Pa first
64
Pa last
57
P.A. Now (θ)
57°
Sep first
1.3
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.96
Mag sec
12.55
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
-008
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.4
Precise sep
2.46
Constellation
Scorpius
last precise pa
57.4
last precise sep
2.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17289-3152 PRO 164 1986 2 55 2.4 12.96 12.55 B 172856.33-315109.7
17289-3152 PRO 164 2000 3 57 2.5 12.96 12.55 B 172856.33-315109.7

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