20365+5557 HJ 1556 AC
20h 36m 26.51s +55° 56' 41.3" P.A. 222.00 sep 6.6 mag 11.21,12.80
| Coord 2000 |
20365+5557 |
|
Discov num |
HJ 1556 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 36 26.51 +55 56 41.3 |
|
| Date first |
1903 |
|
Date last |
2018 |
|
Obs |
10 |
|
| Pa first |
223 |
|
Pa last |
221.7 |
|
P.A. Now (θ) |
221.7° |
|
| Sep first |
8.6 |
|
Sep last |
6.628 |
|
Sep. Now (ρ) |
6.628" |
|
| Mag pri |
11.21 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.59 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=1.905
This double is not physical.
20365+5557 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 36 27 +55 56 41 |
VBS 30 AB |
2018 |
9 |
141 |
4.6 |
11.21 |
12.20 |
0.99 |
|
|
| Show |
|
|
20 36 27 +55 56 41 |
HJ 1556 AC |
2018 |
10 |
222 |
6.6 |
11.21 |
12.80 |
1.59 |
|
<=== |
| Show |
|
|
20 36 27 +55 56 41 |
VBS 30 AD |
2018 |
10 |
97 |
29.6 |
11.21 |
11.88 |
0.67 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3954-00542-1 |
|
Gaia DR2 |
2187061054378531968 |
|
