18541-2259 ALD  71

 
 
18h 54m 11.76s -22 58' 43.1" P.A. 158 sep 2.1 mag 10.72,10.93 Sp F0/2V
 
 
Coord 2000
18541-2259
Discov num
ALD  71
Comp
Coord arcsec 2000
18 54 11.76 -22 58 43.1
Date first
1927
Date last
1991
Obs
6
Pa first
157
Pa last
158
P.A. Now (θ)
158°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
10.72
Mag sec
10.93
delta mag (ΔM)
0.21
Spectral class
F0/2V (yellow-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6860-00059-1
HD
174975
last precise pa
157.9
last precise sep
2.087
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18541-2259 ALD 71 1991 6 158 2.1 10.72 10.93 F0/2V 185411.76-225843.1

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