18551+4051 HEI 73
18h 55m 06.56s +40° 50' 31.6" P.A. 321.00 sep 0.7 mag 10.95,11.10
| Coord 2000 |
18551+4051 |
|
Discov num |
HEI 73 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 06.56 +40 50 31.6 |
|
| Date first |
1979 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
321 |
|
Pa last |
321.2 |
|
P.A. Now (θ) |
321.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.728 |
|
Sep. Now (ρ) |
0.728" |
|
| Mag pri |
10.95 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3123-01256-1 |
|
Gaia DR2 |
2103677528500608896 |
|