17257-4516 B 1857
17h 25m 41.75s -45° 16' 00.4" P.A. 51.00 sep 4.5 mag 8.14,13.50 Sp A5V
| Coord 2000 |
17257-4516 |
|
Discov num |
B 1857 |
|
Comp |
|
|
Coord arcsec 2000 |
17 25 41.75 -45 16 00.4 |
|
| Date first |
1930 |
|
Date last |
1999 |
|
Obs |
2 |
|
| Pa first |
63 |
|
Pa last |
50.8 |
|
P.A. Now (θ) |
50.8° |
|
| Sep first |
4.0 |
|
Sep last |
4.45 |
|
Sep. Now (ρ) |
4.45" |
|
| Mag pri |
8.14 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
5.36 |
|
Spectral class |
A5V (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
SAO |
227939 |
|
Tycho2 |
8341-00765-1 |
|
Gaia DR2 |
5952051101472169984 |
|
| HD |
157477 |
|
GC |
23547 |
|
