18480-1814 RST 3198 (HD 173805)
18h 47m 58.42s -18° 13' 43.3" P.A. 154.00 sep 0.4 mag 7.75,9.00 Sp F2+A2 dist. 495.05 pc (1614.85 l.y.)
| Coord 2000 |
18480-1814 |
|
Discov num |
RST3198 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 58.42 -18 13 43.3 |
|
| Date first |
1934 |
|
Date last |
2008 |
|
Obs |
10 |
|
| Pa first |
161 |
|
Pa last |
154 |
|
P.A. Now (θ) |
154° |
|
| Sep first |
0.4 |
|
Sep last |
0.448 |
|
Sep. Now (ρ) |
0.448" |
|
| Mag pri |
7.75 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
F2+A2 (yellow-white/white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173805 |
|
Constellation |
Sagittarius |
|
SAO |
161834 |
|
HIP |
92245 |
|
| Tycho2 |
6284-00876-1 |
|
Gaia DR2 |
4098474741231257344 |
|
HD |
173805 |
|
BD |
BD-18 5070 |
|
| Distance |
495.05 |
|
Distance ly |
1614.85 |
|
