17558+3117 SEI 552
17h 55m 49.46s +31° 17' 52.8" P.A. 235.00 sep 5.6 mag 10.57,11.30
| Coord 2000 |
17558+3117 |
|
Discov num |
SEI 552 |
|
Comp |
|
|
Coord arcsec 2000 |
17 55 49.46 +31 17 52.8 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
233 |
|
Pa last |
234.8 |
|
P.A. Now (θ) |
234.8° |
|
| Sep first |
5.5 |
|
Sep last |
5.568 |
|
Sep. Now (ρ) |
5.568" |
|
| Mag pri |
10.57 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.73 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-006 |
|
| Notes |
N
(See Notes) |
|
rPM=1.168
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2608-00579-1 |
|
Gaia DR2 |
4603038157614857472 |
|