18511+2253 COU 318
18h 51m 05.36s +22° 52' 52.3" P.A. 286.00 sep 3.4 mag 9.35,12.80 Sp F2
| Coord 2000 |
18511+2253 |
|
Discov num |
COU 318 |
|
Comp |
|
|
Coord arcsec 2000 |
18 51 05.36 +22 52 52.3 |
|
| Date first |
1968 |
|
Date last |
2006 |
|
Obs |
2 |
|
| Pa first |
280 |
|
Pa last |
285.8 |
|
P.A. Now (θ) |
285.8° |
|
| Sep first |
3.2 |
|
Sep last |
3.392 |
|
Sep. Now (ρ) |
3.392" |
|
| Mag pri |
9.35 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
3.45 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
86504 |
|
Tycho2 |
2109-01596-1 |
|
Gaia DR2 |
4531716033790309248 |
|
| HD |
343169 |
|
