18170+1204 HDS2582

 
 
18h 16m 59.53s +12 04' 03.7" P.A. 111 sep 0.1 mag 7.88,8.40 Sp F8III dist. 358.42 pc (1169.17 l.y.)
 
 
Coord 2000
18170+1204
Discov num
HDS2582
Comp
Coord arcsec 2000
18 16 59.53 +12 04 03.7
Date first
1991
Date last
2015
Obs
3
Pa first
159
Pa last
111
P.A. Now (θ)
111°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.88
Mag sec
8.40
delta mag (ΔM)
0.52
Spectral class
F8III (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.8
Precise sep
0.116
Constellation
Ophiuchus
SAO
103557
HIP
89595
Tycho2
1018-00208-1
HD
167944
BD
BD+12 3446
Distance
358.42
Distance ly
1169.17
last precise pa
110.8
last precise sep
0.116
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18170+1204 HDS2582 2001 2 172 0.3 7.88 8.40 F8III 181659.53+120403.7
18170+1204 HDS2582 2008 3 144 0.1 7.88 8.40 F8III 181659.53+120403.7
18170+1204 HDS2582 2015 3 111 0.1 7.88 8.40 F8III 181659.53+120403.7

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