20023-4554 I 660 (HD 189503)
20h 02m 20.53s -45° 53' 59.9" P.A. 277.00 sep 1.8 mag 10.28,11.30 Sp F5/6V
| Coord 2000 |
20023-4554 |
|
Discov num |
I 660 |
|
Comp |
|
|
Coord arcsec 2000 |
20 02 20.53 -45 53 59.9 |
|
| Date first |
1909 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
280 |
|
Pa last |
277.4 |
|
P.A. Now (θ) |
277.4° |
|
| Sep first |
1.0 |
|
Sep last |
1.803 |
|
Sep. Now (ρ) |
1.803" |
|
| Mag pri |
10.28 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1.02 |
|
Spectral class |
F5/6V (yellow-white) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189503 |
|
Constellation |
Telescopium |
|
Tycho2 |
8391-02044-1 |
|
Gaia DR2 |
6673298087472897920 |
|
| HD |
189503 |
|
