18311+2216 COU 15
18h 31m 01.16s +22° 17' 02.1" P.A. 118.00 sep 1.9 mag 9.70,12.70 Sp F5
| Coord 2000 |
18311+2216 |
|
Discov num |
COU 15 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 01.16 +22 17 02.1 |
|
| Date first |
1957 |
|
Date last |
2011 |
|
Obs |
3 |
|
| Pa first |
123 |
|
Pa last |
118.4 |
|
P.A. Now (θ) |
118.4° |
|
| Sep first |
1.7 |
|
Sep last |
1.948 |
|
Sep. Now (ρ) |
1.948" |
|
| Mag pri |
9.70 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4529186194968520960 |
|
