18310+2221 J 806
18h 30m 57.12s +22° 20' 59.1" P.A. 240.00 sep 2.4 mag 10.93,14.50
| Coord 2000 |
18310+2221 |
|
Discov num |
J 806 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 57.12 +22 20 59.1 |
|
| Date first |
1912 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
233 |
|
Pa last |
240.3 |
|
P.A. Now (θ) |
240.3° |
|
| Sep first |
2.3 |
|
Sep last |
2.381 |
|
Sep. Now (ρ) |
2.381" |
|
| Mag pri |
10.93 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
3.57 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1581-00089-1 |
|
Gaia DR2 |
4529193307434378880 |
|
HD |
342383 |
|
| ADS |
11417 |
|