17590-1620 RST 3989 (HD 163846)
17h 58m 58.65s -16° 19' 57.3" P.A. 171.00 sep 2.4 mag 9.57,11.50 Sp B8II
| Coord 2000 |
17590-1620 |
|
Discov num |
RST3989 |
|
Comp |
|
|
Coord arcsec 2000 |
17 58 58.65 -16 19 57.3 |
|
| Date first |
1937 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
171 |
|
Pa last |
171.2 |
|
P.A. Now (θ) |
171.2° |
|
| Sep first |
2.2 |
|
Sep last |
2.384 |
|
Sep. Now (ρ) |
2.384" |
|
| Mag pri |
9.57 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
1.93 |
|
Spectral class |
B8II (blue-white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 163846 |
|
Constellation |
Sagittarius |
|
SAO |
160959 |
|
Tycho2 |
6250-00917-1 |
|
| Gaia DR2 |
4145084967667479296 |
|
HD |
163846 |
|
