20397+4806 ES 806 AC
20h 39m 30.24s +48° 12' 13.0" P.A. 24.00 sep 11.9 mag 8.80,14.20 Sp K0
| Coord 2000 |
20397+4806 |
|
Discov num |
ES 806 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 39 30.24 +48 12 13.0 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
31 |
|
Pa last |
23.6 |
|
P.A. Now (θ) |
23.6° |
|
| Sep first |
11.0 |
|
Sep last |
11.902 |
|
Sep. Now (ρ) |
11.902" |
|
| Mag pri |
8.80 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
5.4 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20397+4806 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
49904 |
20 39 30 +48 12 13 |
ES 806 AB |
2015 |
5 |
267 |
7.0 |
8.80 |
14.30 |
5.50 |
|
|
| Show |
|
49904 |
20 39 30 +48 12 13 |
ES 806 AC |
2015 |
8 |
24 |
11.9 |
8.80 |
14.20 |
5.40 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
49904 |
|
Tycho2 |
3578-01634-1 |
|
Gaia DR2 |
2167689235747389952 |
|
| HD |
197073 |
|
