18518+3105 COU 1012
18h 51m 49.06s +31° 05' 00.5" P.A. 238.00 sep 0.4 mag 9.60,10.90 Sp F2
| Coord 2000 |
18518+3105 |
|
Discov num |
COU1012 |
|
Comp |
|
|
Coord arcsec 2000 |
18 51 49.06 +31 05 00.5 |
|
| Date first |
1973 |
|
Date last |
2014 |
|
Obs |
9 |
|
| Pa first |
238 |
|
Pa last |
238.3 |
|
P.A. Now (θ) |
238.3° |
|
| Sep first |
0.3 |
|
Sep last |
0.439 |
|
Sep. Now (ρ) |
0.439" |
|
| Mag pri |
9.60 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-025 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
2638-01582-1 |
|
Gaia DR2 |
2041797117172917632 |
|
