17539-3857 RST 1999 (HD 162657)
17h 53m 56.81s -38° 56' 55.7" P.A. 214.00 sep 4.8 mag 9.49,10.30 Sp B3III
| Coord 2000 |
17539-3857 |
|
Discov num |
RST1999 |
|
Comp |
|
|
Coord arcsec 2000 |
17 53 56.81 -38 56 55.7 |
|
| Date first |
1904 |
|
Date last |
1998 |
|
Obs |
6 |
|
| Pa first |
217 |
|
Pa last |
214 |
|
P.A. Now (θ) |
214° |
|
| Sep first |
5.3 |
|
Sep last |
4.77 |
|
Sep. Now (ρ) |
4.77" |
|
| Mag pri |
9.49 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
B3III (blue-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
-027 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
-041 |
|
| Notes |
|
|
rPM=1.279
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 162657 |
|
Constellation |
Scorpius |
|
SAO |
209427 |
|
Tycho2 |
7886-02121-1 |
|
| Gaia DR2 |
4036481703075606528 |
|
HD |
162657 |
|
