18428-1523 HLD 145

 
 
18h 42m 45.37s -15 23' 19.4" P.A. 54 sep 1.6 mag 9.54,9.81 Sp G8V
 
 
Coord 2000
18428-1523
Discov num
HLD 145
Comp
Coord arcsec 2000
18 42 45.37 -15 23 19.4
Date first
1882
Date last
2000
Obs
10
Pa first
40
Pa last
54
P.A. Now (θ)
54°
Sep first
1.0
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.54
Mag sec
9.81
delta mag (ΔM)
0.27
Spectral class
G8V (yellow)
Pri motion ra
-019
Sec motion ra
-019
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.1
Precise sep
1.55
Constellation
Scutum
Tycho2
6280-00370-1
HD
172812
last precise pa
54.1
last precise sep
1.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18428-1523 HLD 145 2000 10 54 1.5 9.54 9.81 G8V 184245.37-152319.4

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