18442-1733 HLD 146

 
 
18h 44m 16.50s -17 31' 54.3" P.A. 193 sep 2.3 mag 10.83,11.08
 
 
Coord 2000
18442-1733
Discov num
HLD 146
Comp
Coord arcsec 2000
18 44 16.50 -17 31 54.3
Date first
1888
Date last
1991
Obs
5
Pa first
194
Pa last
193
P.A. Now (θ)
193°
Sep first
2.5
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
10.83
Mag sec
11.08
delta mag (ΔM)
0.25
Spectral class
Pri motion ra
+014
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.4
Precise sep
2.265
Constellation
Sagittarius
Tycho2
6284-00474-1
last precise pa
193.4
last precise sep
2.265
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18442-1733 HLD 146 1991 5 193 2.3 10.83 11.08 184416.50-173154.3

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