18303+1907 COU 508
18h 30m 16.78s +19° 07' 27.3" P.A. 254.00 sep 0.9 mag 10.00,12.70 Sp F5
Coord 2000 |
18303+1907 |
|
Discov num |
COU 508 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 16.78 +19 07 27.3 |
|
Date first |
1970 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
249 |
|
Pa last |
253.7 |
|
P.A. Now (θ) |
253.7° |
|
Sep first |
0.7 |
|
Sep last |
0.91 |
|
Sep. Now (ρ) |
0.91" |
|
Mag pri |
10.00 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
|
|
Pri motion dec |
+007 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
103790 |
|
Tycho2 |
1577-01852-1 |
|
Gaia DR2 |
4525151915004114432 |
|
HD |
348794 |
|