18122+0814 HDS2568

 
 
18h 12m 10.31s +08 13' 37.8" P.A. 262 sep 0.6 mag 7.39,10.62 Sp K0 dist. 157.48 pc (513.7 l.y.)
 
 
Coord 2000
18122+0814
Discov num
HDS2568
Comp
Coord arcsec 2000
18 12 10.31 +08 13 37.8
Date first
1991
Date last
2011
Obs
4
Pa first
264
Pa last
262
P.A. Now (θ)
262°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
7.39
Mag sec
10.62
delta mag (ΔM)
3.23
Spectral class
K0 (yellow-orange)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-051
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.8
Precise sep
0.627
Constellation
Ophiuchus
HIP
89195
Tycho2
1009-01829-1
HD
166844
BD
BD+08 3610
Distance
157.48
Distance ly
513.7
last precise pa
261.8
last precise sep
0.627
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18122+0814 HDS2568 1991 1 264 0.5 7.39 10.62 K0 D 181210.31+081337.8
18122+0814 HDS2568 2009 2 262 0.6 7.39 10.62 K0 D 181210.31+081337.8
18122+0814 HDS2568 2011 4 262 0.6 7.39 10.62 K0 181210.31+081337.8

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