18106+0738 HDS 2562 AB (HD 166498)
18h 10m 37.52s +07° 38' 07.5" P.A. 245.00 sep 0.9 mag 7.65,10.91 Sp K2 dist. 186.22 pc (607.45 l.y.)
Coord 2000 |
18106+0738 |
|
Discov num |
HDS2562 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 10 37.52 +07 38 07.5 |
|
Date first |
1991 |
|
Date last |
2013 |
|
Obs |
6 |
|
Pa first |
241 |
|
Pa last |
245.1 |
|
P.A. Now (θ) |
245.1° |
|
Sep first |
0.9 |
|
Sep last |
0.94 |
|
Sep. Now (ρ) |
0.94" |
|
Mag pri |
7.65 |
|
Mag sec |
10.91 |
|
delta mag (ΔM) |
3.26 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+008 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
rPM=0.149 (< 0.3, Physical double)
This double is physical.
18106+0738 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
123215 |
18 10 38 +07 38 08 |
GII 260 Aa,Ab |
2013 |
1 |
38 |
0.2 |
8.40 |
8.40 |
0.00 |
|
|
Show |
HD 166498 |
123215 |
18 10 38 +07 38 08 |
HDS 2562 AB |
2013 |
6 |
245 |
0.9 |
7.65 |
10.91 |
3.26 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166498 |
|
Constellation |
Ophiuchus |
|
SAO |
123215 |
|
HIP |
89059 |
|
Tycho2 |
1009-01609-1 |
|
HD |
166498 |
|
GC |
24786 |
|
BD |
BD+07 3578 |
|
Distance |
186.22 |
|
Distance ly |
607.45 |
|