17515-4046 HDO 281 (HD 162189)
17h 51m 32.57s -40° 46' 20.4" P.A. 181.00 sep 21.6 mag 5.96,12.50 Sp M2III dist. 173.31 pc (565.34 l.y.)
| Coord 2000 |
17515-4046 |
|
Discov num |
HDO 281 |
|
Comp |
|
|
Coord arcsec 2000 |
17 51 32.57 -40 46 20.4 |
|
| Date first |
1891 |
|
Date last |
1998 |
|
Obs |
4 |
|
| Pa first |
190 |
|
Pa last |
180.9 |
|
P.A. Now (θ) |
180.9° |
|
| Sep first |
25.0 |
|
Sep last |
21.56 |
|
Sep. Now (ρ) |
21.56" |
|
| Mag pri |
5.96 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
6.54 |
|
Spectral class |
M2III (red) |
|
| Pri motion ra |
-054 |
|
Sec motion ra |
|
|
| Pri motion dec |
-056 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 162189 |
|
Constellation |
Scorpius |
|
SAO |
228489 |
|
HIP |
87390 |
|
| Tycho2 |
7890-02138-1 |
|
Gaia DR2 |
5957847005236319744 |
|
HD |
162189 |
|
HR |
6643 |
|
| GC |
24226 |
|
CD |
CD-4011905 |
|
CP |
CP-40 8154 |
|
Distance |
173.31 |
|
| Distance ly |
565.34 |
|
