17285+5657 ES 1741
17h 28m 33.37s +56° 57' 46.0" P.A. 179.00 sep 2.5 mag 11.00,11.20
| Coord 2000 |
17285+5657 |
|
Discov num |
ES 1741 |
|
Comp |
|
|
Coord arcsec 2000 |
17 28 33.37 +56 57 46.0 |
|
| Date first |
1918 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
181 |
|
Pa last |
178.5 |
|
P.A. Now (θ) |
178.5° |
|
| Sep first |
2.6 |
|
Sep last |
2.473 |
|
Sep. Now (ρ) |
2.473" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-061 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3896-00364-1 |
|
Gaia DR2 |
1422312436212015744 |
|
