18449-5029 HDS 2656 (HD 172821)
18h 44m 51.08s -50° 29' 26.2" P.A. 230.00 sep 0.6 mag 8.85,11.75 Sp A9IV/V dist. 483.09 pc (1575.84 l.y.)
| Coord 2000 |
18449-5029 |
|
Discov num |
HDS2656 |
|
Comp |
|
|
Coord arcsec 2000 |
18 44 51.08 -50 29 26.2 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
2 |
|
| Pa first |
234 |
|
Pa last |
230.1 |
|
P.A. Now (θ) |
230.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.585 |
|
Sep. Now (ρ) |
0.585" |
|
| Mag pri |
8.85 |
|
Mag sec |
11.75 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
A9IV/V (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172821 |
|
Constellation |
Telescopium |
|
SAO |
245677 |
|
HIP |
91979 |
|
| Tycho2 |
8368-01738-1 |
|
Gaia DR2 |
6655815161100949632 |
|
HD |
172821 |
|
CD |
CD-5012112 |
|
| CP |
CP-5010809 |
|
Distance |
483.09 |
|
Distance ly |
1575.84 |
|
