18316+4504 COU 1929
18h 31m 35.88s +45° 04' 41.7" P.A. 165.00 sep 1.8 mag 10.97,13.50
| Coord 2000 |
18316+4504 |
|
Discov num |
COU1929 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 35.88 +45 04 41.7 |
|
| Date first |
1981 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
163 |
|
Pa last |
165.3 |
|
P.A. Now (θ) |
165.3° |
|
| Sep first |
1.6 |
|
Sep last |
1.82 |
|
Sep. Now (ρ) |
1.82" |
|
| Mag pri |
10.97 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
2.53 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3526-00006-1 |
|
Gaia DR2 |
2118044194104768768 |
|
