20057+3020 ES 498 (HD 190814)
20h 05m 42.33s +30° 19' 39.3" P.A. 309.00 sep 8.3 mag 8.86,12.50 Sp F5V dist. 82.99 pc (270.71 l.y.)
| Coord 2000 |
20057+3020 |
|
Discov num |
ES 498 |
|
Comp |
|
|
Coord arcsec 2000 |
20 05 42.33 +30 19 39.3 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
243 |
|
Pa last |
309.4 |
|
P.A. Now (θ) |
309.4° |
|
| Sep first |
10.5 |
|
Sep last |
8.293 |
|
Sep. Now (ρ) |
8.293" |
|
| Mag pri |
8.86 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3.64 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-019 |
|
Sec motion ra |
|
|
| Pri motion dec |
-103 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 190814 |
|
Constellation |
Cygnus |
|
SAO |
69387 |
|
HIP |
98981 |
|
| Tycho2 |
2670-04657-1 |
|
Gaia DR2 |
2029844184538970496 |
|
HD |
190814 |
|
ADS |
13359 |
|
| BD |
BD+29 3889 |
|
Distance |
82.99 |
|
Distance ly |
270.71 |
|
