17319+5655 ES 2659 (HD 159540)
17h 31m 52.17s +56° 55' 07.9" P.A. 215.00 sep 11.8 mag 8.63,11.15 Sp K0 dist. 436.68 pc (1424.45 l.y.)
Coord 2000 |
17319+5655 |
|
Discov num |
ES 2659 |
|
Comp |
|
|
Coord arcsec 2000 |
17 31 52.17 +56 55 07.9 |
|
Date first |
1907 |
|
Date last |
2017 |
|
Obs |
21 |
|
Pa first |
208 |
|
Pa last |
214.5 |
|
P.A. Now (θ) |
214.5° |
|
Sep first |
15.6 |
|
Sep last |
11.768 |
|
Sep. Now (ρ) |
11.768" |
|
Mag pri |
8.63 |
|
Mag sec |
11.15 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
+018 |
|
Notes |
|
|
rPM=1.555
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 159540 |
|
Constellation |
Draco |
|
SAO |
30443 |
|
HIP |
85794 |
|
Tycho2 |
3896-00439-1 |
|
Gaia DR2 |
1422136106330386816 |
|
HD |
159540 |
|
BD |
BD+57 1775 |
|
Distance |
436.68 |
|
Distance ly |
1424.45 |
|