17509-3342 HDO 280 AC
17h 50m 52.34s -33° 42' 20.4" P.A. 219.00 sep 15.0 mag 8.36,10.63 Sp F6Ib+F8 dist. 88.65 pc (289.18 l.y.)
Coord 2000 |
17509-3342 |
|
Discov num |
HDO 280 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 50 52.34 -33 42 20.4 |
|
Date first |
1897 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
215 |
|
Pa last |
218.6 |
|
P.A. Now (θ) |
218.6° |
|
Sep first |
15.0 |
|
Sep last |
14.958 |
|
Sep. Now (ρ) |
14.958" |
|
Mag pri |
8.36 |
|
Mag sec |
10.63 |
|
delta mag (ΔM) |
2.27 |
|
Spectral class |
F6Ib+F8 (yellow-white/yellow-white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-024 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.912
This double is not physical.
17509-3342 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
RY Sco |
209340 |
17 50 52 -33 42 20 |
HDO 280 AB |
1964 |
4 |
102 |
2.0 |
8.36 |
11.50 |
3.14 |
|
|
Show |
|
209340 |
17 50 52 -33 42 20 |
HDO 280 AC |
2015 |
14 |
219 |
15.0 |
8.36 |
10.63 |
2.27 |
|
<=== |
Show |
|
209340 |
17 50 52 -33 42 20 |
I 9019 AD |
2015 |
5 |
198 |
33.7 |
8.36 |
13.60 |
5.24 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
RY Sco |
|
Constellation |
Scorpius |
|
SAO |
209340 |
|
HIP |
87345 |
|
Tycho2 |
7381-00346-1 |
|
Gaia DR2 |
4041690364529590144 |
|
HD |
162102 |
|
CD |
CD-3312533 |
|
CP |
CP-33 4644 |
|
Distance |
88.65 |
|
Distance ly |
289.18 |
|