18569+5723 ES 1747
18h 56m 57.58s +57° 23' 11.1" P.A. 348.00 sep 1.8 mag 10.26,10.58
Coord 2000 |
18569+5723 |
|
Discov num |
ES 1747 |
|
Comp |
|
|
Coord arcsec 2000 |
18 56 57.58 +57 23 11.1 |
|
Date first |
1918 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
344 |
|
Pa last |
348.4 |
|
P.A. Now (θ) |
348.4° |
|
Sep first |
1.6 |
|
Sep last |
1.82 |
|
Sep. Now (ρ) |
1.82" |
|
Mag pri |
10.26 |
|
Mag sec |
10.58 |
|
delta mag (ΔM) |
0.32 |
|
Spectral class |
|
|
Pri motion ra |
-037 |
|
Sec motion ra |
-037 |
|
Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
3927-00687-1 |
|
Gaia DR2 |
2153612055232980352 |
|