17258-1918 HLD 135 AB,C
17h 25m 48.78s -19° 17' 42.3" P.A. 89.00 sep 2.6 mag 8.90,13.10 Sp G5V
| Coord 2000 |
17258-1918 |
|
Discov num |
HLD 135 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
17 25 48.78 -19 17 42.3 |
|
| Date first |
1882 |
|
Date last |
1931 |
|
Obs |
3 |
|
| Pa first |
105 |
|
Pa last |
88.9 |
|
P.A. Now (θ) |
88.9° |
|
| Sep first |
3.0 |
|
Sep last |
2.61 |
|
Sep. Now (ρ) |
2.61" |
|
| Mag pri |
8.90 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
4.2 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17258-1918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
160539 |
17 25 49 -19 17 42 |
RST 5542 AB |
2008 |
5 |
289 |
0.1 |
9.60 |
9.60 |
0.00 |
|
|
| Show |
|
160539 |
17 25 49 -19 17 42 |
HLD 135 AB,C |
1931 |
3 |
89 |
2.6 |
8.90 |
13.10 |
4.20 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
160539 |
|
Tycho2 |
6242-00476-1 |
|
Gaia DR2 |
4122488251325174144 |
|
| HD |
157733 |
|
