17229-5801 HDO 270 AB (HD 156768)
17h 22m 55.23s -58° 00' 37.1" P.A. 184.00 sep 1.8 mag 6.00,9.41 Sp G8Ib-II dist. 335.57 pc (1094.63 l.y.)
| Coord 2000 |
17229-5801 |
|
Discov num |
HDO 270 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 22 55.23 -58 00 37.1 |
|
| Date first |
1891 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
190 |
|
Pa last |
184.3 |
|
P.A. Now (θ) |
184.3° |
|
| Sep first |
4.0 |
|
Sep last |
1.777 |
|
Sep. Now (ρ) |
1.777" |
|
| Mag pri |
6.00 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
3.41 |
|
Spectral class |
G8Ib-II (yellow) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-016 |
|
| Notes |
|
|
rPM=0.523
Nature of this double is uncertain.
17229-5801 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 156768 |
244678 |
17 22 55 -58 00 37 |
HDO 270 AB |
2016 |
9 |
184 |
1.8 |
6.00 |
9.41 |
3.41 |
|
<=== |
| Show |
|
244678 |
17 22 55 -58 00 37 |
HDO 270 AC |
2000 |
3 |
153 |
40.0 |
6.00 |
12.00 |
6.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 156768 |
|
Constellation |
Ara |
|
SAO |
244678 |
|
HIP |
85049 |
|
| Tycho2 |
8736-03859-1 |
|
Gaia DR2 |
5916102259498670208 |
|
HD |
156768 |
|
HR |
6438 |
|
| GC |
23439 |
|
CP |
CP-57 8478 |
|
Distance |
335.57 |
|
Distance ly |
1094.63 |
|
