18211+3917 COU 1459
18h 21m 07.97s +39° 16' 24.7" P.A. 92.00 sep 1.4 mag 11.00,11.50
| Coord 2000 |
18211+3917 |
|
Discov num |
COU1459 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 07.97 +39 16 24.7 |
|
| Date first |
1976 |
|
Date last |
2017 |
|
Obs |
4 |
|
| Pa first |
94 |
|
Pa last |
91.6 |
|
P.A. Now (θ) |
91.6° |
|
| Sep first |
1.4 |
|
Sep last |
1.4 |
|
Sep. Now (ρ) |
1.4" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-020 |
|
Sec motion ra |
|
|
| Pri motion dec |
+046 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Gaia DR2 |
2109450475643360128 |
|
