18181-0120 HDS2587

 
 
18H 18M 05.51S -01 19' 48.5" P.A. 161 SEP 0.1 MAG 7.78,9.34 SP A0 DIST. 227.79 PC (743.05 L.Y.)
 
 
Coord 2000
18181-0120
Discov num
HDS2587
Comp
Coord arcsec 2000
18 18 05.51 -01 19 48.5
Date first
1991
Date last
2015
Obs
3
Pa first
350
Pa last
161
P.A. Now (θ)
161°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.78
Mag sec
9.34
delta mag (ΔM)
1.56
Spectral class
A0 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
HIP
89680
Tycho2
5098-00553-1
HD
168073
BD
BD-01 3469
Distance
227.79
Distance ly
743.05
last precise pa
160.7
last precise sep
0.079