17587-3018 DAW  74

 
 
17h 58m 44.51s -30 17' 39.1" P.A. 100 sep 1.3 mag 10.52,11.15
 
 
Coord 2000
17587-3018
Discov num
DAW  74
Comp
Coord arcsec 2000
17 58 44.51 -30 17 39.1
Date first
1919
Date last
1991
Obs
5
Pa first
106
Pa last
100
P.A. Now (θ)
100°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.52
Mag sec
11.15
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-008
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.6
Precise sep
1.342
Constellation
Sagittarius
Tycho2
7378-02523-1
HD
316900
last precise pa
99.6
last precise sep
1.342
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17587-3018 DAW 74 1991 5 100 1.3 10.52 11.15 175844.51-301739.1

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