17252-4512 B  1856

 
 
17h 25m 09.52s -45 11' 43.1" P.A. 140 sep 1.6 mag 10.57,10.94 Sp A3/5IV/V
 
 
Coord 2000
17252-4512
Discov num
B  1856
Comp
Coord arcsec 2000
17 25 09.52 -45 11 43.1
Date first
1930
Date last
1991
Obs
3
Pa first
143
Pa last
140
P.A. Now (θ)
140°
Sep first
1.6
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.57
Mag sec
10.94
delta mag (ΔM)
0.37
Spectral class
A3/5IV/V (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140.2
Precise sep
1.586
Constellation
Scorpius
SAO
227930
Tycho2
8341-00186-1
HD
157388
last precise pa
140.2
last precise sep
1.586
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17252-4512 B 1856 1991 3 140 1.6 10.57 10.94 A3/5IV/V 172509.52-451143.1

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