17531-1339 HU 189 (HD 162739)
17h 53m 05.03s -13° 39' 00.9" P.A. 256.00 sep 1.5 mag 7.41,8.99 Sp F8V dist. 62.93 pc (205.28 l.y.)
| Coord 2000 |
17531-1339 |
|
Discov num |
HU 189 |
|
Comp |
|
|
Coord arcsec 2000 |
17 53 05.03 -13 39 00.9 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
22 |
|
| Pa first |
232 |
|
Pa last |
256.2 |
|
P.A. Now (θ) |
256.2° |
|
| Sep first |
1.2 |
|
Sep last |
1.469 |
|
Sep. Now (ρ) |
1.469" |
|
| Mag pri |
7.41 |
|
Mag sec |
8.99 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-021 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 162739 |
|
Constellation |
Serpens |
|
HIP |
87544 |
|
Tycho2 |
5686-00587-1 |
|
| Gaia DR2 |
4148904396147803136 |
|
HD |
162739 |
|
BD |
BD-13 4779 |
|
Distance |
62.93 |
|
| Distance ly |
205.28 |
|
