17591-3850 I  1015

 
 
17h 59m 04.26s -38 49' 35.1" P.A. 201 sep 2 mag 7.63,9.79 Sp B9IV
 
 
Coord 2000
17591-3850
Discov num
I  1015
Comp
Coord arcsec 2000
17 59 04.26 -38 49 35.1
Date first
1910
Date last
1991
Obs
9
Pa first
210
Pa last
201
P.A. Now (θ)
201°
Sep first
2.0
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
7.63
Mag sec
9.79
delta mag (ΔM)
2.16
Spectral class
B9IV (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.7
Precise sep
2.03
Constellation
Corona Austrina
SAO
209547
Tycho2
7886-01339-1
HD
163653
last precise pa
200.7
last precise sep
2.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17591-3850 I 1015 1991 9 201 2.0 7.63 9.79 B9IV 175904.26-384935.1

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