20406+4900 ES 509
20h 40m 38.36s +48° 59' 55.9" P.A. 285.00 sep 8.6 mag 9.58,12.80 Sp F8
| Coord 2000 |
20406+4900 |
|
Discov num |
ES 509 |
|
Comp |
|
|
Coord arcsec 2000 |
20 40 38.36 +48 59 55.9 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
284 |
|
Pa last |
284.8 |
|
P.A. Now (θ) |
284.8° |
|
| Sep first |
7.2 |
|
Sep last |
8.557 |
|
Sep. Now (ρ) |
8.557" |
|
| Mag pri |
9.58 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
3.22 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-084 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3582-01744-1 |
|
Gaia DR2 |
2167885777755841408 |
|
ADS |
14161 |
|
