20555+4723 HJ 1597 AC
20h 55m 28.47s +47° 22' 55.0" P.A. 127.00 sep 13.6 mag 10.24,12.20
| Coord 2000 |
20555+4723 |
|
Discov num |
HJ 1597 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 55 28.47 +47 22 55.0 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
133 |
|
Pa last |
127.3 |
|
P.A. Now (θ) |
127.3° |
|
| Sep first |
10.0 |
|
Sep last |
13.638 |
|
Sep. Now (ρ) |
13.638" |
|
| Mag pri |
10.24 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
|
|
| Pri motion ra |
+013 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
+010 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=0.562
Nature of this double is uncertain.
20555+4723 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 55 28 +47 22 55 |
TDT 2632 Aa,Ab |
1991 |
1 |
169 |
0.6 |
10.79 |
10.81 |
0.02 |
|
|
| Show |
|
|
20 55 28 +47 22 55 |
ES 95 AB |
2015 |
10 |
268 |
6.5 |
10.24 |
13.20 |
2.96 |
|
|
| Show |
|
|
20 55 28 +47 22 55 |
HJ 1597 AC |
2015 |
11 |
127 |
13.6 |
10.24 |
12.20 |
1.96 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3579-03773-1 |
|
Gaia DR2 |
2166844295422117760 |
|
