16092-2156 HDS2280

 
 
16h 09m 14.96s -21 56' 27.7" P.A. 179 sep 0.5 mag 9.55,12.22 Sp F2IV dist. 179.86 pc (586.7 l.y.)
 
 
Coord 2000
16092-2156
Discov num
HDS2280
Comp
Coord arcsec 2000
16 09 14.96 -21 56 27.7
Date first
1991
Date last
2014
Obs
6
Pa first
185
Pa last
179
P.A. Now (θ)
179°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.55
Mag sec
12.22
delta mag (ΔM)
2.67
Spectral class
F2IV (yellow-white)
Pri motion ra
-012
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.6
Precise sep
0.471
Constellation
Scorpius
SAO
184171
HIP
79146
Tycho2
6213-01028-1
HD
144940
BD
BD-21 4284
Distance
179.86
Distance ly
586.7
last precise pa
178.6
last precise sep
0.471
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16092-2156 HDS2280 1991 1 185 0.4 9.55 12.22 F2IV 160914.96-215627.7
16092-2156 HDS2280 2010 2 180 0.5 9.55 12.22 F2IV D 160914.96-215627.7
16092-2156 HDS2280 2014 4 179 0.5 9.55 12.22 F2IV 160914.96-215627.7

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