16549+5158 A  1870

 
 
16H 54M 55.21S +51 57' 51.5" P.A. 234 SEP 2 MAG 8.20,12.30 SP K0 DIST. 340.14 PC (1109.54 L.Y.)
 
 
Coord 2000
16549+5158
Discov num
A  1870
Comp
Coord arcsec 2000
16 54 55.21 +51 57 51.5
Date first
1908
Date last
1984
Obs
4
Pa first
229
Pa last
234
P.A. Now (θ)
234°
Sep first
2.0
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
8.20
Mag sec
12.30
delta mag (ΔM)
4.1
Spectral class
K0 (yellow-orange)
Pri motion ra
-017
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30153
HIP
82766
Tycho2
3506-02575-1
HD
153144
BD
BD+52 2008
Distance
340.14
Distance ly
1109.54
last precise pa
233.9
last precise sep
1.98