17383-4513 HDS 2491 (HD 159688)
17h 38m 17.72s -45° 12' 49.8" P.A. 247.00 sep 0.5 mag 10.05,12.50 Sp G3V dist. 156.74 pc (511.29 l.y.)
Coord 2000 |
17383-4513 |
|
Discov num |
HDS2491 |
|
Comp |
|
|
Coord arcsec 2000 |
17 38 17.72 -45 12 49.8 |
|
Date first |
1991 |
|
Date last |
2018 |
|
Obs |
2 |
|
Pa first |
247 |
|
Pa last |
246.8 |
|
P.A. Now (θ) |
246.8° |
|
Sep first |
0.5 |
|
Sep last |
0.532 |
|
Sep. Now (ρ) |
0.532" |
|
Mag pri |
10.05 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.45 |
|
Spectral class |
G3V (yellow) |
|
Pri motion ra |
-026 |
|
Sec motion ra |
|
|
Pri motion dec |
-019 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 159688 |
|
Constellation |
Scorpius |
|
HIP |
86324 |
|
Tycho2 |
8343-00280-1 |
|
Gaia DR2 |
5955238546961876224 |
|
HD |
159688 |
|
CD |
CD-4511731 |
|
CP |
CP-45 8734 |
|
Distance |
156.74 |
|
Distance ly |
511.29 |
|