17183+5338 SWI 3 (HD 157103)
17h 18m 16.56s +53° 38' 06.3" P.A. 180.00 sep 0.5 mag 9.53,9.81 Sp F5 dist. 181.49 pc (592.02 l.y.)
| Coord 2000 |
17183+5338 |
|
Discov num |
SWI 3 |
|
Comp |
|
|
Coord arcsec 2000 |
17 18 16.56 +53 38 06.3 |
|
| Date first |
1889 |
|
Date last |
2016 |
|
Obs |
34 |
|
| Pa first |
132 |
|
Pa last |
179.8 |
|
P.A. Now (θ) |
179.8° |
|
| Sep first |
0.6 |
|
Sep last |
0.491 |
|
Sep. Now (ρ) |
0.491" |
|
| Mag pri |
9.53 |
|
Mag sec |
9.81 |
|
delta mag (ΔM) |
0.28 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
-018 |
|
| Pri motion dec |
+016 |
|
Sec motion dec |
+016 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157103 |
|
Constellation |
Draco |
|
SAO |
30332 |
|
HIP |
84645 |
|
| Tycho2 |
3887-01393-1 |
|
HD |
157103 |
|
BD |
BD+53 1932 |
|
Distance |
181.49 |
|
| Distance ly |
592.02 |
|
