17231-3407 DAW  73

 
 
17h 23m 07.13s -34 07' 06.1" P.A. 43 sep 1.1 mag 9.87,10.74 Sp B3III(p)
 
 
Coord 2000
17231-3407
Discov num
DAW  73
Comp
Coord arcsec 2000
17 23 07.13 -34 07 06.1
Date first
1920
Date last
1991
Obs
4
Pa first
43
Pa last
43
P.A. Now (θ)
43°
Sep first
1.2
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
9.87
Mag sec
10.74
delta mag (ΔM)
0.87
Spectral class
B3III(p) (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
43.2
Precise sep
1.097
Constellation
Scorpius
SAO
208753
Tycho2
7370-00035-1
HD
157156
last precise pa
43.2
last precise sep
1.097
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17231-3407 DAW 73 1991 4 43 1.1 9.87 10.74 B3III(p) 172307.13-340706.1

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