18319+2253 SLE 188
18h 31m 55.62s +22° 52' 44.6" P.A. 99.00 sep 17.7 mag 12.58,13.90
| Coord 2000 |
18319+2253 |
|
Discov num |
SLE 188 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 55.62 +22 52 44.6 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
100 |
|
Pa last |
99.2 |
|
P.A. Now (θ) |
99.2° |
|
| Sep first |
17.8 |
|
Sep last |
17.69 |
|
Sep. Now (ρ) |
17.69" |
|
| Mag pri |
12.58 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.587
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2106-00664-1 |
|
Gaia DR2 |
4535228011362513024 |
|
