20020-1906 GKM 9441 Aa,Ab (HD 189698)
20h 02m 01.21s -19° 05' 57.0" P.A. 10.00 sep 0.1 mag 8.00,8.30 Sp F5V dist. 87.18 pc (284.38 l.y.)
| Coord 2000 |
20020-1906 |
|
Discov num |
GKM9441 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 02 01.21 -19 05 57.0 |
|
| Date first |
2022 |
|
Date last |
2023 |
|
Obs |
4 |
|
| Pa first |
3 |
|
Pa last |
9.9 |
|
P.A. Now (θ) |
9.9° |
|
| Sep first |
0.1 |
|
Sep last |
0.125 |
|
Sep. Now (ρ) |
0.125" |
|
| Mag pri |
8.00 |
|
Mag sec |
8.30 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+027 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189698 |
|
Constellation |
Sagittarius |
|
SAO |
163193 |
|
HIP |
98634 |
|
| Tycho2 |
6322-00624-1 |
|
HD |
189698 |
|
BD |
BD-19 5680 |
|
Distance |
87.18 |
|
| Distance ly |
284.38 |
|
