20540+5711 ES 135 AC
20h 53m 59.20s +57° 10' 32.0" P.A. 115.00 sep 71.7 mag 7.22,12.44 Sp A0
| Coord 2000 |
20540+5711 |
|
Discov num |
ES 135 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 53 59.20 +57 10 32.0 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
117 |
|
Pa last |
115.2 |
|
P.A. Now (θ) |
115.2° |
|
| Sep first |
71.8 |
|
Sep last |
71.686 |
|
Sep. Now (ρ) |
71.686" |
|
| Mag pri |
7.22 |
|
Mag sec |
12.44 |
|
delta mag (ΔM) |
5.22 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=1.035
This double is not physical.
20540+5711 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 199331 |
32981 |
20 53 59 +57 10 32 |
ES 135 AB |
2015 |
10 |
199 |
7.1 |
7.22 |
11.40 |
4.18 |
|
|
| Show |
|
32981 |
20 53 59 +57 10 32 |
ES 135 AC |
2015 |
8 |
115 |
71.7 |
7.22 |
12.44 |
5.22 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
32981 |
|
Tycho2 |
3960-00816-1 |
|
Gaia DR2 |
2190088319129165824 |
|
| HD |
199331 |
|
